Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

382results about How to "Quick inflation" patented technology

Low temperature mixed insulating gas supplementing device

ActiveCN104132237AThe gas mixture ratio is accurate and reliableEasy and quick to inflate or refillPipeline systemsContainer filling under pressureProcess engineeringLiquid storage tank
The invention provides a low temperature mixed insulating gas supplementing device which comprises an SF6 gas cylinder, a first gas cylinder, a liquid storage tank and sulfur hexafluoride electric equipment. The low temperature mixed insulating gas supplementing device is characterized in that an SF6 gas supplementing path, another gas supplementing path, a gas mixer, a buffer tank, a vacuum pump, a compressor, an electromagnetic flow valve and an electromagnetic valve are additionally arranged, wherein a spiral tube with a partitioning baffle is used as the gas mixer and is provided with two output ends; one output end of the gas mixer is communicated with the atmosphere through a first control valve; the other output end of the gas mixer is communicated with the sulfur hexafluoride electric equipment through a second control valve, the buffer tank, the electromagnetic flow valve and a third control valve in sequence; the output end of the electromagnetic flow valve is further connected with the liquid storage tank through a fourth control valve and is connected with the liquid storage tank through the compressor and the electromagnetic valve, respectively; the input end of the gas mixer is communicated with the SF6 gas cylinder through the SF6 gas supplementing path and is connected with the first gas cylinder through another gas supplementing path, respectively; the gas outlet ends of the SF6 gas cylinder and the first gas cylinder and the gas inlet end of the gas mixer are all connected with the atmosphere through the vacuum pump. By adopting the low temperature mixed insulating gas supplementing device, two types of gas are rapidly pressurized, divided and mixed, and the gas mixing ratio is precise and reliable.
Owner:STATE GRID CORP OF CHINA +1

Emergency parachute landing device for multi-rotor unmanned aerial vehicle

Provided is an emergency parachute landing gear for a multi-rotor unmanned aerial vehicle. The device comprises a parachute cabin, a parachute cabin cover and an open-parachute-device, the opening of the upper end of the parachute cabin is provided with the parachute cabin cover, a folded parachute is arranged in the parachute cabin, the top of the parachute is connected to the parachute cabin cover, and the open-parachute-device is arranged in the parachute cabin, and is used for pushing the parachute cabin cover to be separated from the parachute cabin so as to drive the folded parachute to be pulled out of the parachute cabin and straightened. The emergency parachute landing gear for the multi-rotor unmanned aerial vehicle can directly pull out and straighten the parachute, and is suitable for various parachute cabin shapes, the parachute opening reliability is high, the safety is high, and the cost is low.
Owner:HUBEI DERUI SITONG TECH

Marine airbag type fast leak stopper

The invention relates to a marine airbag type fast leak stopper. The marine airbag type fast leak stopper is characterized by comprising a composite airbag, an air intake control valve, an airbag fixing sleeve, an operation handle, a miniature high-pressure air storage steel cylinder and an air guide supporting rod, wherein the composite airbag is of a thin-wall double-layer composite structure composed of an inner seal bag body and an outer high-strength bag body, the bottom of the composite airbag is fixedly connected with the operation handle through the airbag fixing sleeve, the miniature high-pressure air storage steel cylinder is arranged in an inner cavity of the operation handle, the opening of the miniature high-pressure air storage steel cylinder is fixedly connected with the air intake control valve, and the upper end of the air intake control valve is connected with the air guide supporting rod. The marine airbag type fast leak stopper has the advantages that a wedge-shaped structure of the composite airbag is adopted, the leak stop size range is large, and hole adaptation capacity is high; conical sleeve type seal design is adopted, dual-stud locking is conducted, seal performance is guaranteed, and meanwhile dismounting is convenient; bangalore torpedo type operation design is adopted, operation is conducted through a stay cord, high-pressure air is released instantly, rapid air inflation is achieved, and rapid leak stop is achieved.
Owner:MILITARY TRANSPORTATION RES INST OF PLA GENERAL LOGISTICS DEPT

A wheel rim used for the test of automobile tire burst monitoring and control system

The invention discloses a rim for an automobile tire burst monitoring and control system test. The rim is provided with a plurality of bleeder pipes arranged in circumferential direction and communicated with tires, the bleeder pipes are connected with an electromagnetic control valve used for controlling the connection and disconnection of the bleeder pipes, the coil of the electromagnetic control valve is connected with a direct current power supply arranged on the rim, and a remote switch which can be controlled remotely is arranged in a loop formed by the coil and the direct current powersupply. The rim can be used for performing tire deflation and inflation repeatedly in a safe, accurate and quick way, thereby facilitating the operations of tire burst monitoring and control system test and being favorable for the reduction of test cost and improvement of test efficiency.
Owner:ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD +1

Airbag

The invention relates to an airbag which comprises a sleeve barrel, a gas cylinder adapter, a spring, a needle, a torsional spring rod and an airbag body. According to the airbag, the spring is made to expand by rotating the torsional spring rod, the needle is pushed by the spring to move horizontally and punctures the cylinder mouth of a gas cylinder, gas in the gas cylinder enters the airbag body fast, and the airbag body is automatically inflated. According to the airbag, the cylinder mouth the gas cylinder is punctured through a mechanical transmission mechanism, air inflation is fast, timely protection can be provided for the human body, and the airbag is safe and reliable. The airbag is simple in structure and small in size, meets the design requirement of a portable device, and is convenient to carry and wide in application range.
Owner:SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI

Underwater plastic bag garbage collecting device

The invention discloses an underwater plastic bag garbage collecting device, and belongs to the field of water garbage removal. The underwater plastic bag garbage collecting device is composed of a barrel, a first battery set, a first controller, a motor installing plate, a drive motor, an impeller, a rotation speed monitor, a transmission rod, a speed reducer, a lower supporting rod, an upper supporting rod, stab sticks, stab stick connectors, a motor cover, an adsorption connecting rod, adsorption blocks, a battery set cover, a controller cover and a filter net. The barrel is of a cylindrical structure. The filter net is arranged at the upper end opening position of the barrel. The motor installing plate is arranged and fixed in the barrel. An output shaft of the drive motor penetrates the motor installing plate. The drive motor is vertically installed and fixed to the motor installing plate, and the impeller is arranged on the output shaft of the drive motor. The device can finish collecting work of underwater plastic bag garbage; an axial flow draught fan similar structure is formed through combination of the impeller and the barrel is utilized, the surface layer of water slowly flows towards the device, and the process that plastic bags floating and suspending in water gradually move towards the device is finished.
Owner:陈兴帅

Inflatable bag body

The invention provides an inflating bag body which comprises two outer films, wherein the two outer films are bound in a heat sealing and bonding mode to form an air chamber and a main check valve, each outer film comprises a first film piece and a second film piece, the main check valve is positioned in an air chamber arranged between the two outer films, the upper end of the main check valve is higher than the upper ends of the two outer films, and the main check valve comprises a first air channel which is used for communicating the air chamber with the outside. When outside air enters the air chamber along the first air channel and leads the air chamber to expand, the air pressure in the air chamber can oppress the main check valve to seal the first air channel. The strength of the outer films is greatly strengthened by the structure; when one of the first film piece and the second film piece is damaged, air in the air chamber can not leak outside and can still constantly and effectively supply buffering and protecting function to an article; the structure of the main check valve can ensure that when high-pressure air is inflated into the air chamber, the main check valve can not be damaged because of the high pressure, and the inflating bag body not only can be quickly inflated, but also has better air sealing effect.
Owner:KUNSHAN AIRBAG PACKING CORP

Air bag device used for seaborne emergency rescue and salvage

The invention provides an air bag device used for seaborne emergency rescue and salvage. The bag device comprises a rescue air bag body, an air generator, a control switch and connecting pieces, wherein the outer side wall of the rescue air bag body is fixedly provided with the connecting pieces; the air generator is fixedly arranged in the rescue air bag body; the control end of an ignition device in the gas generator is connected with the control switch; one or at least two connecting piece(s) is / are arranged. The technical problems that a charging process is slow since an existing air bag needs an additional compressed air container to serve as air charging equipment and the compressed air container occupies a large space, is inconvenient to carry and has big potential safety hazards can be solved. When the air bag device is not used, the air bag device is folded and can be put in a ship body to be used in distress. The built-in air generator is used by the air bag device to inflate the air bag, and the air bag device has the advantages of small size, light weight, easiness in operation, high charging speed and more safety and is used for shipwreck salvage or used for preventing the ship body from rolling over or sinking.
Owner:冯秦宏

Stability augmentation inflation type reentry vehicle

The invention provides a stability augmentation inflation type reentry vehicle. An umbrella-shaped inflation body is formed by an inflation type speed reduction cover and an instrument cabin. Four inflation type control surfaces are evenly distributed on the outer edge of the speed reduction cover. An air compressor and a control system are placed in an effective load cabin from bottom to top. A main valve of the air compressor is communicated with inflation openings of the control surfaces and inflation openings of the speed reduction cover through inflation pipelines respectively. In the stability augmentation inflation type reentry vehicle, the control surfaces and the speed reduction cover can be opened through an inflation device when used, and are put away after being used. The stability augmentation inflation type reentry vehicle is light in structural weight and convenient to design, machine, maintain, control and the like. Under the condition that the structure of the speed reduction cover does not need to be changed and no complex propelling systems need to be added, the aerodynamics characteristics required for control are obtained, the active control over the atmospheric reentry aircraft is achieved, and unsteady influences of complex eddy of the leeward area of the speed reduction cover on the posture of the reentry vehicle are avoided.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Jacking type tire inflation machine

The invention discloses a jacking type tire inflation machine, which comprises a base, wherein the two sides of the base are respectively provided with a support seat, the top part of each support seat is provided with a connecting seat, a tire support disc is arranged on the base, a lifting driving mechanism is arranged on the connecting seats, the bottom end of the lifting driving mechanism is connected with an inflation ring, the inflation ring corresponds to the tire support disc, and comprises an inflation outer ring and an inflation inner ring, and the inflation inner ring is arranged in the inflation outer ring. The jacking type tire inflation machine has the advantages that by adopting the jacking type inflation design, the maintenance of the inflation ring and the inflation machine is convenient; the inflation ring squeezes out a wheel hub of the tire and the lip edge of the tire to directly complete the inflation, the inflation is quick, the efficiency is high, the air can enter the interior through the wheel hub of the tire and the lip edge of the tire, and the air intake is uniform; the inflation ring adopts the double ring design of the inflation outer ring and the inflation inner ring, so the tires with different sizes can be inflated, and the application range is wide.
Owner:宝克(无锡)测试设备有限公司

Safety protection system and safety protection method for floating-roof oil tank based on active nitrogen filling

InactiveCN102582984ARealize non-toxic preventionAvoid enteringLarge containersFire riskAir pump
Disclosed is a fire safety protection system for a floating-roof oil tank based on active nitrogen filling. At least one gas partition plate is arranged between a primary sealing section and a secondary sealing section of the floating-roof oil tank, a gas inlet pipe and a gas outlet pipe are arranged in a matched manner, the gas inlet pipe is fixedly mounted at the sealing edge of the oil tank and connected with a gas nozzle which is a double-layer disc gas nozzle, a gas pump is connected with the gas outlet pipe, and an optical fiber pressure sensor, an optical fiber temperature sensor, a sensing signal processing unit, the gas pump, a gas detection module, a gas valve controller and a nitrogen fire protection controller are arranged outside the floating-roof oil tank. When fire-breeding is discovered or other areas on site have a fire, nitrogen is rapidly released, a protection layer is formed above the oil tank to realize fire protection, and a closed-loop control is formed by the aid of the gas partition plates and by means of pressure and temperature detection and active combustible gas suction detection. When abnormal temperature, pressure and oil and gas leakage are discovered, protection gas is filled, fire risks are reduced, and the safety performance of the oil tank is improved.
Owner:潘刚

Portable unmanned aerial vehicle with anti-drop function

The invention relates to a portable unmanned aerial vehicle with an anti-drop function. The portable unmanned aerial vehicle comprises a main body, four flying mechanisms, a retracting mechanism and four protection mechanisms. The retracting mechanism comprises a driving component and four retracting components. Each retracting component comprises a cover plate, a connecting line, a connecting rod, two sliding sleeves, two first springs and two sliding rods. Each protection mechanism comprises a storage box, a gas delivery pipe, a landing gear, an air bag and a trigger component. Each triggercomponent comprises a storage tank, a slider, a permanent magnet, an electromagnet, a second spring, a feed port and a limit ring. The portable unmanned flight device with the anti-drop function has the advantages that a propeller is retractable through the retracting mechanism, the unmanned aerial vehicle is downsized, and accordingly, the portability of the unmanned aerial vehicle is improved; through the protection mechanisms, the air bags are inflated when the unmanned aerial vehicle fails, and accordingly, the anti-drop performance of the unmanned aerial vehicle is improved under the buffer action of the air bags.
Owner:广州市欧伊若科技有限公司

Constant-temperature and constant-pressure inflation method and device of diaphragm capsule for temperature controller

The invention discloses a constant-temperature and constant-pressure inflation method of a diaphragm capsule for a temperature controller, which relates to a filling technology of a diaphragm capsule working medium for the temperature controller. The inflation method comprises the following steps of: putting the diaphragm capsule into a constant temperature cabinet and adjusting the temperature to 40-60 DEG C; communicating a capillary tube of the diaphragm capsule with a vacuum pump and vacuumizing the inside of the diaphragm capsule; after vacuumizing, communicating the capillary tube with an air storage tank through a pressure regulator to inflate the diaphragm capsule and stopping inflation when the pressure is balanced; and when the diaphragm capsule is sealed, finishing filling the diaphragm capsule working medium. A fixture head arranged on a diaphragm capsule clamp in the constant temperature cabinet of the inflation device is communicated with a cavity in the diaphragm capsule fixture; and one end of the cavity is connected with a vacuum pump, and the other end of the cavity is communicated with the air storage tank. By adopting the method, the manufactured diaphragm capsule has the same temperature sensitivity, the measuring accuracy of the diaphragm capsule is enhanced and the produce quality is ensured. By adopting the inflation device, the diaphragm capsule can be easily inflated rapidly, thus the working efficiency is greatly improved.
Owner:平顶山市联立机电有限公司

Pneumatic air vehicle

The invention discloses a remote control unmanned air vehicle powered by compressed air. Air is compressed by an air compressor and is delivered into a light air storage tank of the unmanned air vehicle to serve as flight prime power, and pneumatic motors drive a single-shaft or multi-shaft propeller to rotate so as to achieve flight of the unmanned air vehicle. The remote control unmanned air vehicle powered by the compressed air comprises a fiber air storage tank 1, an airflow switch 2, an intelligent pressure reducing valve 3, a storage battery 4, an avionic system 5, an inflating inlet 6, a frame 7, the propeller 8, the pneumatic motors 9, a safety airbag 10, a parachute 11 and an air pipe 12, wherein all the components are fixed on the frame. Additionally, an inflator and a remote control as well as mounting loads are arranged externally. The storage battery 4 supplies power to the airflow switch 2 and the intelligent pressure reducing valve 3, and the intelligent pressure reducing valve 3 controls the pneumatic motor 9 on every shaft individually under control of the avionic system 5 and regulates airflow of the pneumatic motor 9 on every shaft through gravity sensing, so that the unmanned air vehicle can fly steadily.
Owner:孙秀文

System for compatibly supplying energy to new energy automobiles and traditional automobiles

The invention relates to the technical field of natural energy generating application, in particular to a system for compatibly supplying energy to new energy automobiles and traditional power automobiles. A solar photovoltaic generating array converts solar energy into electric energy to be stored, or a wind energy generating device array converts wind energy into electric energy to be stored; and the electric energy is used for all functions of an energy charging station, is used for an automatic access charging shelf and robot arms to replace storage batteries of electric automobiles and charge electric automobiles, is used for manufacturing hydrogen gas by a hydrogen manufacturing unit and quickly inflating hydrogen power and hydrogen fuel battery automobiles, and is used for manufacturing compressed air by an air compressor unit and quickly inflating compressed air power automobiles. The invention realizes the purpose of stably and reliably supplying natural energy to various new energy automobiles, simultaneously has the traditional functions of filling oil and gas, reduces the dependence on non-renewable energy resources such as petroleum, coal and the like, relieves the energy crisis, and protects the atmospheric environment.
Owner:吴速

Rapid inflation lifesaving device

The invention relates to a rapid inflation lifesaving device, which consists of a plurality of independent rapidly-inflatable air bags, wherein inner and outer layers are formed in the inflation states of the air bags; and a cavity for accommodating people and a channel through which people enter the cavity from the outside are formed in each inner layer during inflation of each air bag. The rapid inflation lifesaving device has the advantages that (1) the rapid inflation lifesaving device is placed at positions such as bedsides for later use, and occupies a very small space; (2) in first time of natural disasters such as earthquakes, the air bags can be inflated rapidly, so that the entire lifesaving device is swelled to form a hollow sphere, and people can enter the lifesaving device to avoid possible damages; and (3) each air bag is independent and is not communicated with one another, so that air leakage of the entire lifesaving device caused by damage to one part of each air bag can be avoided, the suitability of the lifesaving device is further ensured, and the reliability is high.
Owner:韩耀颉

Lifesaving gun for drowning people

The invention provides a lifesaving gun for drowning people. The lifesaving gun comprises a trigger, a gun body, a spring compression disc, a bullet, an impact spring and a gunsight. The structure of the lifesaving gun is characterized in that a handle of the gun body is provided with the trigger, the trigger is connected with the spring compression disc arranged at the central part of the gun body, one end of the impact spring is connected with the spring compression disc, the other end of the impact spring abuts with the bullet, and the gunsight is connected with the front end of the gun body. The bullet is composed of a bullet body and an elastic lifebuoy; and the bullet body is composed of a bullet head, a foaming medicine bag, a gas-guide tube, a minisized motor, a crank connecting rod, a time delay relay, a sealed pipe and an impact switch. The lifesaving gun provided by the invention is small-sized emergency drowning lifesaving equipment which has the advantages of a compact light structure, convenience in use, usage of an electromagnetic time-delay function, adoption of chemical foaming, a fast reaction speed, accurate launching of the lifesaving bullet to drowning people, fast inflation of the lifebuoy and great popularization and application values.
Owner:EAST CHINA UNIV OF TECH

High-altitude escape capsule

The invention provides a high-altitude escape capsule which comprises a main chamber, a head protecting chamber, a foot protecting chamber and a plurality of air bag units, wherein the main chamber is used for accommodating a human body, the head protecting chamber is formed at the upper end of the main chamber, the foot protecting chamber is formed at the lower end of the main chamber, and the air bag units are arranged around the periphery of the main chamber, the head protecting chamber and the foot protecting chamber respectively in a wrapping manner; the main chamber, the head protecting chamber and the foot protecting chamber are made of flexible material and closed through zippers; self-tightening ropes are arranged at positions of the head protecting chamber and the foot protecting chamber, which is faced and close to the main chamber; a fixing device for binding the human body is arranged in the main chamber; and the gas charging holes and gas discharging holes are formed on the air bag units, the gas charging holes are connected with an air charging device, the air charging device synchronously inflates each air bag unit, the air discharging holes are connected with an air discharging device, the air discharging device synchronously deflate each air bag unit, the air charging device is connected with an air charging start button, and the air discharging device is connected with an air discharging start button. The high-altitude escape capsule has the beneficial effects that an air bag structure is adopted, the structure is simple, and the use is convenient and safe.
Owner:周忠立

Ship rollover prevention emergency device

The invention discloses a ship rollover prevention emergency device which comprises a hull. Airbags are respectively arranged at both sides of the hull; the airbags are connected with high-pressure air sources by high-pressure air delivery pipes; each high-pressure air delivery pipe is provided with a control valve and a pressure-relieving deflating mechanism. According to the device, when a ship encounters a dangerous case that the ship is easy to roll over and sink in the sailing process, two airbags can be rapidly inflated so as to increase a buoyancy force of the ship, thereby effectively preventing rollover or sinking of the hull and ensuring safety of people and equipment and normal running of the ship.
Owner:HENAN DANJIANG GRAND VIEW GARDEN TOURISM CO LTD

Automatic stop controller and air pump using same

The invention discloses an automatic stop controller and an air pump using the automatic stop controller. The air pump comprises a housing, a blower device, a microswitch and an automatic stop controller. The automatic stop controller comprises an outer housing, a moving part, a gear part, a swinging part, a moving ejector rob, a deformable air pressure sensing thin film and a knob, wherein the air pressure sensing thin film deforms to enable the moving ejector rob to move by using the change of the air pressure, the swinging part is enabled to swing due to the movement of the moving ejector rob, the gear part is enabled to rotate due to the swinging of the swinging part, the moving part is enabled to move due to the rotation of the gear part, and the microswitch is triggered due to the movement of the moving part, so that the aim of automatic stop can be realized. The invention further has the inventive step and the use convenience, the product has the characteristics of being intelligent and humanized, and reasonable in structural configuration, the structure of the product can be preferably simplified, each parts in the product is convenient to manufacture and assemble, and the effects of production efficiency improving and production cost reducing can be achieved.
Owner:DONGGUAN TIGER POINT METAL & PLASTIC PRODS

Preparing and feeding method for chlamys farreri larva baits

The invention discloses a preparing and feeding method for chlamys farreri larva baits, and belongs to the field of aquaculture. In a chlamys farreri seedling growing process, the problems of tender physique of seedlings and low survival rate which are caused by inadequate baits exist. The technical key points of the preparing and feeding method are that four ocean microalgaes are aquacultured by magnetized water and blue light so as to prepare algae paste which is fed to chlamys farreri larva seedlings; the nutrition is comprehensive, the chlamys farreri larva grows fast and is strong in physique and high in survival rate; the microalgaes are cultured by the magnetized water, so that microalgae bodies grow fast and are pure in color; the microalgaes are cultured by a water storage tank, so that the cleaning is convenient, the cost is low, damage caused by collision seldom occurs, repeated use is realized, and pollution is basically avoided; with the adoption of blue light cultivation, the EPA and DHA contents in the microalgaes are high; the algae liquid is prepared into the algae paste for feeding, so that the feeding amount is easy to control, and a water body cannot be polluted; the baits can be produced all the year round, the occupied space is small, and the transportation and the storage are facilitated.
Owner:LINYI UNIVERSITY

Packaging structure capable of being used repeatedly

The invention discloses a packaging structure capable of being used repeatedly. The packaging structure comprises a box body and further comprises an airbag. The airbag is connected to the inner surface of the side wall of the box body. The airbag is arranged around the inner surface of the side wall of the box body. After expanding, the airbag clamps a packaged object, and the packaged object isfixed in the middle of an inner cavity of the box body. The airbag is arranged on the inner surface of the side wall of the box body, after expanding, the airbag can clamp the packaged object, flexibility of the airbag is good, the periphery of the packaged object can be protected well, and the packaged object is prevented from being crashed by shaking. In addition, the airbag and the box body canbe used repeatedly, resources can be saved, and the environment is prevented from being polluted. Moreover, fast air inflation and deflation of the airbag can be easily achieved, and the packaging efficiency can be improved.
Owner:科思达(厦门)卫生制品有限公司

Automatic balloon pressurizing pump

InactiveCN109529175AReduce inflation noiseEasy to operateBalloon catheterEngineeringPiston
The invention discloses an automatic balloon pressurizing pump including a shell provided with an air inflation port. The interior of the shell is provided with: an inflation cylinder in sealing buttjoint with the air inflation port; a driving mechanism for driving a piston in the inflation cylinder to move; a pressure sensor for detecting inflation pressure; and a controller, which receives thepressure signal from the pressure sensor and controls the driving mechanism according to the pressure sensor. By using the pressurizing pump, a medical balloon can be auto-inflated with air, so that complex operations of manual air inflation are avoided. The pressurizing pump has simple overall structure, is high in air inflation speed and efficiency, and can save air inflation time.
Owner:ZHEJIANG UNIV

Rapid responding pneumatic valve control system and method

The invention provides a rapid responding pneumatic valve control system. The rapid responding pneumatic valve control system comprises a two-position five-way electromagnetic valve connected with an air cylinder and further comprises a first two-position two-way electromagnetic valve and a second two-position two-way electromagnetic valve. When a pneumatic valve is rapidly closed, an air outlet of the first two-position two-way electromagnetic valve communicates with a closed cavity of the air cylinder, and an air inlet of the second two-position two-way electromagnetic valve communicates with an opening cavity of the air cylinder. When the pneumatic valve is rapidly opened, the air outlet of the first two-position two-way electromagnetic valve communicates with the opening cavity of the air cylinder, and the air inlet of the second two-position two-way electromagnetic valve communicates with the closed cavity of the air cylinder. An operation air source communicates with a first ventilation port of the two-position five-way electromagnetic valve and an air inlet of the first two-position two-way electromagnetic valve. Under special situations, when the pneumatic valve needs to be rapidly operated, the two-position five-way electromagnetic valve and the two two-position five-way electromagnetic valves work at the same time, the air cylinder of the valve is rapidly inflated or deflated, and the purpose of rapidly opening or closing the pneumatic valve is achieved.
Owner:XIAN AEROSPACE PROPULSION TESTING TECHN INST

Method and device for cleaning an exhaust gas flow of a combustion engine

The present invention relates to a method and a device for cleaning an exhaust flow of a combustion engine, wherein, the nitrogen oxide is removed from an exhaust flow by means of selective catalytic reduction (SCR), wherein, the exhaust flow is divided or branched to a main exhaust flow or an exhaust bypass at the upstream of at least one SCR catalyst for conveying the precursor substance of catalyst to the exhaust bypass. The precursor substance of the catalyst is converted to a reducing agent in a reactor. The reducing agent is conveyed out from the reactor by means of the exhaust bypass and is conveyed to the main exhaust flow at the upstream of the SCR catalyst device, wherein, the exhaust bypass is provided with an obstructing and / or throttling mechanism. According to the invention, at least one blocking and / or throttling mechanism is configured in the main exhaust flow. Furthermore the blocking and / or throttling mechanism is operated according to a preset reaction parameter at a state of limited idle speed and / or low-load operation, namely, the main exhaust flow is blocked or throttled definitively on one hand, and the exhaust bypass is blocked with a limited quality definitively.
Owner:MAN TRUCK & BUS AG

Semi-automatic dispensing hole-sealing device and method for microballoon

ActiveCN108877957AGood air retentionSmall glue spotsLiquid surface applicatorsNuclear energy generationVacuum pumpingMicrosphere
The invention discloses a semi-automatic dispensing hole-sealing device and method for a microballoon, and the device is used for achieving the semi-automatic dispensing hole-sealing method for the microballoon. The method mainly comprises the steps: (a), performing the laser perforation of a to-be-inflated microballoon sample; (b), performing the bonding of dispensing wires; (c), performing the pre-judgment of the tips of the dispensing wires; (d), preforming the pre-judgment of the to-be-inflated microballoon sample; (e), performing the pre-judgment of glue preparation and glue placement positions; (f), performing the vacuum pumping, glue hanging test of the tips of the dispensing wires, the inflation of an inflation room and the balancing; (g), performing the micropore glue sealing; (h), performing the glue solidifying, and performing the detection of the gas in the microballoon. The device provided by the invention can complete the high-quality dispensing hole-sealing of the microballoon, and achieves the quick inflation of a hollow microballoon. The inwards inflated microballoon prepared through the method is good in gas retraining performance, is small in glue sport, and is high in strength of a glue-sealing point.
Owner:LASER FUSION RES CENT CHINA ACAD OF ENG PHYSICS

Amphibious individual soldier carrying backpack

The invention relates to an amphibious individual soldier carrying backpack. The amphibious individual soldier carrying backpack comprises a main backpack, an auxiliary backpack, a folding air bag and a fixing device. The main backpack comprises a main backpack body and a main backpack cover. The folding air bag is of an annular structure. The fixing device comprises a cushion plate, short-side fastening belts sewn and fixed to the front side and the rear side of the cushion plate in the width direction, and long-side fastening belts sewn and fixed to the left end and the right end of the cushion plate in the length direction. A rescue and camping dual-purpose air bag is provided with multiple hanging rings or hanging holes. A high-pressure air cylinder for inflating an inflatable bag body through a one-way air tap is placed in an auxiliary side backpack body. The amphibious individual soldier carrying backpack achieves the amphibious carrying functions that the backpack can be dragged in a floating mode on the waterside and can be carried on the back by an individual soldier or lifted by two soldiers on land, achieves the protection functions of waterproofness, dampproofness and the like, and meets the requirements of infantries in the army of China for carrying and protection of arms and ammunition in the swimming-in-battle-gear and beach-head processes.
Owner:ARMY ENG UNIV OF PLA

Intestinal tract examination device with local cleaning function for veterinarian

The invention discloses an intestinal tract examination device with a local cleaning function for a veterinarian. The intestinal tract examination device with the local cleaning function for the veterinarian comprises a tube body, an air bag, a camera device and an auxiliary light source, wherein one end of the tube body has an arc-shaped structure and is fixedly connected with a connecting tube;the end, which is away from the tube body, of the connecting tube is fixedly connected with a spherical body which is made of a transparent material; and a detecting cavity is formed in the sphericalbody. The intestinal tract examination device with the local cleaning function for the veterinarian is stable in structure and simple to operate, is provided with the rotatable camera device, can rotatably shoot an intestinal tract, and the circumstance that the tube body rotates to cause discomfort is avoided; the intestinal tract examination device with the local cleaning function for the veterinarian is provided with a spraying cleaning device, excrement and dirt in the intestinal tract can be cleaned in a spraying manner, thus, the camera device can shoot clearly, and the spraying cleaningdevice can be withdrawn into the tube body to prevent the intestinal tract from being hurt; the intestinal tract examination device with the local cleaning function for the veterinarian is provided with a waste liquid collecting device which can suck the cleaned intestinal tract favorably, and therefore, the circumstance that the waste liquid retains in the intestinal tract to affect the shootingeffect can be prevented; and the intestinal tract examination device with the local cleaning function for the veterinarian is provided with the air bag and an inflating device used with the air bag,and the inflating device rapidly inflates the air bag favorably.
Owner:张萍 +5
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products