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59 results about "Tracheole" patented technology

Tracheole (trā'kē-ōl') is a fine respiratory tube of the trachea of an insect or a spider, part of the respiratory system. Tracheoles are about 1 µm in diameter, and they convey oxygen to cells while providing a means for carbon dioxide to escape.

Polyethylene ball valve air tightness detection device

The invention relates to a polyethylene ball valve air tightness detection device which comprises a detecting body connected with a driving device. The polyethylene ball valve air tightness detection device is characterized in that the detecting body is provided with two pushing bodies coaxially connected in series; the two pushing bodies are provided with pressure plates in extrusion fit; a sealing body capable of expanding along the radial direction is arranged between the two pressure plates; the two pressure plates and the sealing body constitute a sealing head matching an inner hole of a ball valve to be detected; the sealing head is internally provided with an inflatable channel; one end of the inflatable channel is communicated with an inflatable cylinder; and the inflatable channel is externally connected with a pressure gauge through an air pipe, and the air pipe is provided with an overvoltage protection mechanism. As the detecting body is internally provided with the inflatable cylinder, no external air source is needed. The pushing bodies seal the inner cavity of the valve body in the operation process to realize continuous, quick and automatic inflation, and the pressure value can be read directly from the pressure gauge and is clear at a glance. Water-free test is realized, which helps to protect the environment. The degree of automation is high. The test efficiency is improved. The reusability is high. The labor cost is reduced.
Owner:ZHEJIANG QINGFA PIPE TECH

Initiative flame retarding device of battery pack of battery electric vehicle

The invention discloses an initiative flame retarding device of a battery pack of a battery electric vehicle and belongs to the field of parts of electric vehicles. A flame retarding gas bottle is mounted in front of a battery pack shell body; the flame retarding gas bottle is connected with a gas inlet valve through a gas guide pipe; the gas inlet valve is communicated with the inner part of the battery pack shell body; an exhausting valve is located at the position, close to the top end, on the back surface of the battery pack shell body and is directly communicated with the inner part of the battery pack shell body; a temperature sensor and a smoke sensor, which are connected with a battery management system (BMS), can monitor whether the temperature of a battery in the battery pack is changed or not and whether smoke is generated or not in real time; the BMS can rapidly respond once if an abnormal signal is monitored; when the gas inlet valve and the exhausting valve are opened at the same time, carbon dioxide gas enters the battery pack; and meanwhile, combustion-supporting gas in the battery pack shell body is exhausted out of the pack in time so that the flame retarding aim is realized. The initiative flame retarding device has a very good flame retarding effect on the electric vehicle which is about to have thermal runaway or an initial combustion phase, and thus the safety of the battery pack and the whole vehicle is protected.
Owner:JIANGSU UNIV

Active air feeding type dustproof mask

The invention discloses an active air feeding type dustproof mask which comprises a mask body and a binding band, wherein the mask body is communicated with an air purifying device through an air feeding pipe; the mask body is fixedly arranged on the head of a human body by the binding band; the mask body is of a hollow sandwich structure; the periphery part, which is in contact with the human body, of the inner surface of the mask body is flexibly arranged; the mask body is matched and sealed with a human face in shape from the aspect of anatomy; a middle part of the mask body is a rigid orifice plate which is protruded forwards; a breathing space communicated with the hollow sandwich through air is formed between the rigid orifice plate and the front side of a respiratory organ of a person in the anatomy; two ventilation holes which are respectively communicated with the outside and the air purifying device and are opposite to each other are formed in the hollow sandwich. By using the hollow sandwich structure arranged in the mask, purified air forms a clean air curtain at the front parts of the mouth and the nose of the person; the clean air curtain can provide clean air for the breathing of the person; meanwhile, the flowing air curtain stops external pollution from intruding, and the breathing pressure of the person after wearing the mask is also reduced.
Owner:艾尔康居(北京)科技有限公司

Emergency respiratory device for clinical use in internal medicine department

The invention discloses an emergency respiratory device for clinical use in an internal medicine department. The emergency respiratory device for the clinical use in the internal medicine department comprises a base, wherein an electric telescopic rod is arranged on the upper surface of the base, a worktable is arranged at the top end of the electric telescopic rod, a fixed basket is connected to the right lateral surface of the worktable, an oxygen tank is placed on the fixed basket, an air outlet pipe is arranged on the upper surface of the oxygen tank, and connected with a connecting hose I, an oxygen box is arranged on the upper surface of the worktable, an air inlet pipe is arranged on the right lateral surface of the oxygen box, and connected with the connecting hose I, a pressure sensor and a flow sensor are arranged on the lateral surface of an inner cavity of the oxygen box, and the emergency respiratory device for the clinical use in the internal medicine department disclosed by the invention has a reasonable structure, stronger practicability and lower manufacturing cost, uses universal wheels to be conveniently pushed in emergency to improve the rescue efficiency, and intelligently controls the oxygen therapy speed of a patient by using a PLC controller, and the height of the device is conveniently adjusted by using the electric telescopic rod, so that the emergency respiratory device for the clinical use in the internal medicine department is suitable for popularization and application.
Owner:房建珍

Air leakage detection apparatus

InactiveCN105300602AEfficiently test for tightnessSkip the drying stepFluid-tightness measurement using fluid/vacuumAssembly lineBottle
The invention discloses an air leakage detection apparatus. The air leakage detection apparatus is used for detecting the air tightness of a filling bottle. The air leakage detection apparatus comprises a piston (1), wherein the piston (1) is provided with a plugging portion which can be clamped into the filling bottle and seals the filling bottle and a protruding portion (3) which is located outside the filling bottle. The air leakage detection apparatus is characterized in that an air pipe (4) which is connected with an air feeding device which can feed air quantitatively is arranged in the piston (1); the air pipe (4) includes a first gas outlet (6) which extends out from the plugging portion (2) and a second gas outlet (8) which extends out from the protruding portion (3); the second gas outlet (8) is sleeved with a balloon (10); the balloon (10) is covered with a detecting bottle (12); a contact switch is arranged at the inner wall of the test bottle (12); and after the balloon (10) contacts with the contact switch, passage signals can be emitted. With the air leakage detection apparatus of the invention adopted, problems in the prior art can be solved, and the sealing performance of the filling bottle can be effectively tested, and the filling bottle is not needed to be immersed in water, and therefore, a drying step can be omitted. The air leakage detection apparatus is suitable for production of industrial assembly lines.
Owner:SUZHOU ICOOLMACH EQUIP MFG

Lithium ion battery and manufacturing method thereof

The invention relates to a lithium ion battery and a manufacturing method thereof, wherein the lithium ion battery includes a sealed case; a battery cell is arranged in the case; an anode lug and a cathode lug both connected with the battery cell are arranged on the outer surface of the case; an air duct is also arranged in the case; a sealed hole is formed in the case; an opening at one end of the air duct is arranged inside the case; an opening at the other end of the air duct is communicated with the hole; and the sealed part of the hole can bear pressure smaller than that on other sealed parts on the case. When bigger pressure is generated by air inside the battery case, the sealed parts at the opening of the air duct can be opened more early than other parts on the case, so as to enable air to be exhausted from the air duct and improve the safety of the lithium ion battery; besides, during the manufacturing process of the lithium ion battery, the air duct can replace an air bag in the traditional scheme for vacuum pumping, thereby saving an plastic-aluminum film wasted by the air bag, and reducing the manufacturing cost of the lithium ion battery.
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +1

Carbon absorption tower

The invention discloses a carbon absorption tower. The key points of the invention are as follows: the tower is sequentially provided with the four parts of, from top to bottom, an ammonia purifying section, a carbon absorbing section, an ammonia absorbing section and a carbon absorbing liquid storage tank; the four parts are separated by three spacing boards; the top of a tower body is provided with a tail gas outlet, and the bottom of the tower body is provided with a carbon absorbing liquid outlet; the tower is a bamboo hat tower, the ammonia purifying section, the carbon absorbing section and the ammonia absorbing section are provided with a plurality of bamboo hats and a plurality of liquid overflow pipes, and the liquid overflow pipes are arranged at two sides of the tower body; each section is provided with a liquid inlet, a liquid outlet, a flue gas inlet pipe and an air inlet cap and an outlet thereof; water retainer rings of the carbon absorbing section and the ammonia absorbing section are arranged below a flue gas outlet; a defogging tray of the ammonia purifying section is arranged below the flue gas tail gas outlet; and a finished product from the ammonia absorbing section enters into the carbon absorbing liquid storage tank. The invention has the following advantages: the tower has integrated functions of dissolving and absorbing CO2 and demisting, which enables the process flow for carbon absorption to be simplified and small equipment investment and convenient operation to be obtained; the tower is capable of continuous operation, is stable and reliable and is a high efficiency carbon recovery apparatus, with the absorption rate of CO2 being more than 85%.
Owner:QINGDAO SODA ASH IND DEV CO LTD +1

A portable gas-producing pressurization device for transfusion

InactiveCN102019009AIncrease gas productionMeet the needs of continuous infusionPressure infusionChemical reactionEngineering
A portable gas-producing pressurization device for transfusion comprises a gear box (4), an inner case (5), an outer case (17), a drug sac tape (9), shaft needles (18), internal and external gas-guiding tubes (10), and a buffer case (14). The gear box and a gear shaft (12) are connected in the apparatus. And the drug sac tape is linked to the gear shaft by a shaft slot. Cylindrical drug sacs (8) filled with drug granules (30) are distributed evenly on the drug sac tape. The internal gas-guiding tube is linked to the inner case in which proper amount of reaction medium (20) is loaded. Shaft needles are fixed onto a loop shaft (19) and needle shafts (6) are respectively provided with rotatory loop shafts. The internal gas-guiding tube (10) communicates with the buffer case and the external case communicates with the external gas-guiding tube (11). The apparatus completes transfusion by pressurization based on the chemical reaction principle of quantitative gas-producing, which is characterized by easy operation, small-sized apparatus and continuous transfusion, etc. The apparatus can be applied to oxygen uptake or experiment oxygen supply and to various transfusion demands in clinical treatment such as in field rescuing, transporting process and in preventing cross-infection in the prevalence of infectious diseases.
Owner:陈铎葆

Air exhaust duct muffler used for ship

The invention discloses an air exhaust duct muffler used for a ship. The air exhaust duct muffler comprises a barrel body (4), the two ends of the barrel body (4) are provided with an air inlet end plate (3) and an air outlet end plate (7) respectively, the air inlet end plate (3) and the air outlet end plate (7) are provided with an air inlet pipe (2) and an air outlet pipe (8) respectively, an air inlet flange (1) is communicated with the barrel body (4) through the air inlet pipe (2), an air outlet flange (9) is communicated with the barrel body (4) through the air outlet pipe (8), the inside of the barrel body (4) is provided with a hush pipe (5) and a separating plate (6), the separating plate (6) separates the air inlet end of the barrel body (4) from the air outlet end of the barrel body (4) to form two cavities, the hush pipe (5) penetrates through the separating plate (6) and communicates the two cavities, and the circumferential wall of the hush pipe (5) is evenly provided with a plurality of circular holes. According to the spark extinguishing muffler, noise caused when tail gas of a diesel engine is exhausted can be effectively lowered.
Owner:张晓荣

Noninvasive endotracheal cooling device applied to preservation of lungs from non-heart-beating donors

The invention belongs to the technical field of auxiliary medical devices, and specifically relates to a noninvasive endotracheal cooling device applied to preservation of lungs from non-heart-beating donors. The device comprises two solenoid valves, a minitype membrane pump, two semiconductor refrigeration modules, a lung preserving fluid tank, a cooling water tank, a radiating coil tube, a fan, a water temperature controller and a water pump, and is divided into three systems, namely a low temperature aerating system, a low temperature lung preserving fluid supply system and a radiating system, wherein the low temperature aerating system carries out low temperature aeration in tracheae, the low temperature lung preserving fluid supply system supplies low temperature lung preserving fluid in the tracheae, and the radiating system carries out circulatory radiating on the two refrigeration modules. The noninvasive endotracheal cooling device can provide low temperature air with high flow capacity under the precondition of noninvasive operation, simultaneously feed high pressure low temperature lung preserving fluid into the tracheae, reduce the heat exchange coefficient, weaken unevenness of specific heat, quickly lower the temperature in the tracheae and the temperature of lungs, alleviate warm ischemia injury and improve the quality of donor lungs.
Owner:SHANGHAI PULMONARY HOSPITAL AFFILIATED TO TONGJI UNIV +1

Copper pipe annealing system

The invention relates to a copper pipe annealing system, and relates to the technical field of copper pipe machining equipment. The copper pipe annealing system comprises an annealing device, a nitrogen filling device which is arranged on a feeding side of the annealing device, a detection mechanism which is connected with the copper pipe and used for detecting the nitrogen filling state, and a driving part which is connected with the annealing device and drives the copper pipe penetrate through the nitrogen filling device and the annealing device, wherein the nitrogen filling device comprisesan air nozzle which is communicated with the copper pipe, an adjusting valve which is arranged on the air nozzle, an air conveying pipe which is communicated with the air nozzle, a nitrogen generatorwhich is communicated with the air conveying pipe and a sealing part which is connected with the air nozzle; and the detection mechanism comprises a detection part arranged at one end, far away fromthe nitrogen filling end, of the copper pipe. The copper pipe annealing system has the effects of detecting whether the copper pipe is full of nitrogen and accurately controlling the amount of nitrogen to improve the utilization rate of resources. The nitrogen overflows from the copper pipe and isolates oxygen outside a fire source, and then the flame is extinguished due to oxygen depletion, so that operators are reminded that nitrogen has filled the copper pipe and the waste of nitrogen is thus reduced.
Owner:JIANGXI NAILE COPPER IND

Disposable wetting nasal oxygen cannula

The invention discloses a disposable wetting nasal oxygen cannula which consists of an air inlet 1, a wetting pipe 2, an air outlet 3, a wetting pipe bottom cover 7 and an air discharging pipe 12, wherein the air inlet 1 is located at the upper end of the wetting pipe 2; the air outlet 3 is located on the wetting pipe bottom cover 7; a solid wetting substance 6 is arranged in the wetting pipe 2; the disposable wetting nasal oxygen cannula further comprises an air guide pipe 4; the air guide pipe 4 is plugged into the wetting pipe 2 from the air inlet 1; and vent holes 5 are formed in the air guide pipe 4. According to the disposable wetting nasal oxygen cannula, the solid wetting substance replaces conventional wetting fluid, so that the size of a wetting device is reduced, and the wetting device is light in mass, convenient to operate, uniform in wetting of wet oxygen and long in duration, and can filter out pathogenic microorganisms and avoid cross contamination; and the disposable wetting nasal oxygen cannula is required to be used within a set time limit to guarantee the wetting effect.
Owner:王冕

Novel anti-fog and miniature air purifying helmet

The invention is suitable for a novel anti-fog and miniature air purifying helmet. The concentration of harmful substances in air is detected through a PM2.5 detector (3), when the harmful concentration is reached, a miniature air purifier (9) in the helmet starts to operate, contaminated air is filtered through an activated carbon filter screen (8) through the acceleration of an external fan (1)and flows in the miniature air purifier (9) and flows through a nanoscale titanium dioxide photocatalysis net (10) and a medical-scale HEPA filter screen (11) to become clean air, anions are added tothe air through an anion generator, the clean air flows into the anti-fog helmet through vent holes, a clean air storage chamber (13) and a clean air supply pipe (14) and is then spread around, and the air environment around the user is improved. Through the nanometer catalysis technology, people can see a road in front clearly in fog, and the driving safety is improved.
Owner:NANJING LEPENG ELECTRONICS TECH CO LTD

Convenience-type vital capacity training device for respiratory medicine department

The invention discloses a convenience-type vital capacity training device for the respiratory medicine department. The convenience-type vital capacity training device comprises a glass shell and a shell; two scales are arranged on the front of the inner wall of the glass shell, and located at the upper and lower sides of the front of the inner wall of the glass shell respectively, and the lower surface of the glass shell is fixedly connected with the upper surface of a baseboard; a first pipe sleeve is clamped to the left side face of the glass shell, a first gas delivery pipe is sleeved withthe first pipe sleeve, and a second pipe sleeve sleeves the outer surface of the first gas delivery pipe and is clamped to the right side face of the glass shell. By means of the convenience-type vital capacity training device for the respiratory medicine department, through the cooperation of a blowtorch, a rubber sleeve, the first gas delivery pipe, a second gas delivery pipe, the scales, an airvalve, an air ejector pipe and piston balls, people can undertake simple lung training simply by blowing air via the blowtorch, the situation that people cannot be exercised due to the factors of sites is avoided, and convenience is brought for people to undertake lung training.
Owner:山东省临邑县人民医院

Electric pollinator using air flow to calculate pollination amount

InactiveCN107787832AShorten the acceleration and deceleration response timeReduce swingAgriculturePlant genotype modificationImpellerPollinator
The invention discloses an electric pollinator using air flow to calculate the pollination amount, and aims to solve the problem that the pollen-ejection air flow and supplied pollen amount cannot beproportionally arranged and the pollination amount cannot be effectively metered. The air control part of the electric pollinator can maintain a stable ejection pressure and mainly comprises an air pressure sensor (1), a wedge valve (13), an air pump (14), and an airbag (16). The pollen metering part of the electric pollinator can mix pollen and air flow according to a determined ratio based on the pollen-ejection air flow and mainly comprises a pollen leaking tank (4), an impeller (6), a hairbrush (9), a gear (10), and a pollen supply opening (18). The pollen spraying time can be controlled by a press switch (12). The electric pollinator has the advantages that the pollen amount can be effectively metered by the ejection air flow, the pollen concentration of pollination air flow is maintained during the ejection process, a reasonable air pressure is maintained in an air pipe (17); and the responding speed of the press switch (12) to the ejection air flow during the start / close processis improved.
Owner:NORTHWEST A & F UNIV

Remote-delivery bladeless ventilating system used in gunpowder and explosive field

InactiveCN105275892AGood for frequent cleaningAvoid Explosion HazardsJet pumpsPump installationsImpellerEngineering
The invention discloses a remote-delivery bladeless ventilating system used in the gunpowder and explosive field. By the adoption of the remote-delivery bladeless ventilating system used in the gunpowder and explosive field, the problem that explosion risks are caused easily in an existing ventilating system due to friction and collision between gunpowder and explosive dust or gunpowder and explosive particles at a rotary bearing and an impeller in the gunpowder and explosive field is solved. The remote-delivery bladeless ventilating system comprises an air source (1), an air storage tank (2), an air pipe (3), a one-way valve (4), a throttling valve (5) and a ventilating frame (6). The air source (1), the air storage tank (2), the one-way valve (4), the throttling valve (5) and the ventilating frame (6) are connected in sequence through the air pipe (3). The air source (1) and the air storage tank (2) are installed in safe places in a gunpowder-free and explosive-free environment. The ventilating frame (6) is installed in a dangerous place in a gunpowder and explosive environment. The remote-delivery bladeless ventilating system is simple in structure and low in energy consumption, and friction and collision between the gunpowder and explosive powder or particles and movement components in the ventilating system in the dangerous place in the gunpowder and explosive field can be avoided.
Owner:XIAN MODERN CHEM RES INST

Ventilation catheter with stable pressure difference and connecting device

PendingCN114432559ABlood circulation is not affectedAvoid ischemiaTracheal tubesMedical devicesEngineeringBreathing circuits
The invention discloses a pressure-difference-stable ventilation catheter and a connecting device, and belongs to the field of medical instruments, the pressure-difference-stable ventilation catheter comprises a ventilation catheter body of which the front section is provided with a sealing air bag, a pressure-difference-stable cavity is communicated with the sealing air bag, and a communicating pipe is communicated with the pressure-difference-stable cavity and is communicated with a breathing loop; during mechanical ventilation, the pressure intensity of gas in the breathing circuit is automatically adjusted through the pressure difference stabilizing cavity, so that the pressure intensity of the gas in the sealing air bag is larger than that of the gas in the breathing circuit, and the pressure intensity difference value is stabilized at a proper numerical value; the pressure intensity of the sealed air bag of the ventilation catheter synchronously and dynamically changes along with the pressure intensity of the mechanical ventilation airway, in the expiration phase with the small pressure intensity of the mechanical ventilation airway, the pressure intensity of air in the sealed air bag is small, blood circulation of the tracheal mucosa is recovered, and the tracheal mucosa is prevented from being damaged.
Owner:WUXI SHENGNUOYA TECH CO LTD

Flux generator

The invention discloses a flux generator, which comprises a body. The upper end of the body is vertically provided with a flange cover, one side of the upper end of the flange cover is provided with a gas intake pipe, the other side of the upper end of the flange cover is provided with a gas discharging pipe, the top end of the flange cover is provided with a valve, the gas intake pipe and the gas discharging pipe are respectively provided with a valve, the lower end of the body is connected with a hollow flange base, and the hollow flange base is connected with a chassis through a screw. The invention has the advantages that the flux generator has a simple structure, the cleaning can be facilitated, the service life can be prolonged, and the flux quality can be improved.
Owner:NANTONG ZHONGLIAN S&T SERVICE
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