Product
Patsnap Eureka
For R&D, Patsnap Eureka makes reading and utilizing patents & technical documents easy.
Patsnap Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Patsnap Eureka Materials
Designed for material experts only. Revolutionize your material R&D, from search, analyze, to developing new materials.
Feature
TechResearch
Generate reliable direction feasibility study reports for your R&D in just a few steps.
TechSeek
Discover and master advanced knowledge NOW. Basics, ideas, possibilities, all at once.
TechMind
As an expert in R&D Theories, TechMind can generates customized viable solutions instantly.
TechRisk
Analyze your overall solution with one click, know your potential R&D risks in advance.
TechMonitor
Get weekly tech updates, stay abreast of the latest tech innovations and key insights.
Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
106results about How to "Extended air time" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Multi-rotor-wing unmanned aerial vehicle mooring system
ActiveCN103144779ASimple structureImprove reliabilityPower cablesFor captive aircraftsMooring systemFlight vehicle
The invention discloses a multi-rotor-wing unmanned aerial vehicle mooring system, which comprises a multi-rotor-wing unmanned aerial vehicle serving as a mooring platform, a mooring line and a ground device, wherein the mooring line is connected with the multi-rotor-wing unmanned aerial vehicle and the ground device; the multi-rotor-wing unmanned aerial vehicle comprises a mooring supply unit; the mooring line comprises a power transmission cable; the ground device comprises a ground power supply device; and the mooring supply unit is connected with the ground power supply device via the power transmission cable in the mooring line. The multi-rotor-wing unmanned aerial vehicle mooring system disclosed by the invention has the characteristics of simple structure, high reliability, stability in hovering, convenience in use and low cost, the mooring mode is applied to the multi-rotor-wing unmanned aerial vehicle, and the problems of the mooring platform on the aspects of stability, erection convenience, use flexibility and use cost are solved. In addition, through the power transmission cable in the mooring line, a ground power supply can continuously supply power to the mooring platform, and the long-time hovering flight of the aerial vehicle is realized.
Owner:CHINA ELECTRONICS TECH GRP NO 7 RES INST
Cable tension self-adjustment winch and control method thereof
ActiveCN106946097AImprove Motion Control AccuracyOvercoming Low Intensity ProblemsFilament handlingMaximum torqueAutomatic control
The invention discloses a cable tension self-adjustment winch and a control method thereof, and belongs to the field of automatic control. The cable tension self-adjustment winch comprises a winding drum and a driving device driving the winding drum to rotate; the driving device is electrically connected with a control device; a winding displacement device parallel to the axial direction of the winding drum is arranged on the outer side of the winding drum; the winding drum is linked with the winding displacement device; a tension detection device is arranged on the winding displacement device, is located between the winding displacement device and the winding drum, and is electrically connected with the control device; and a tension protection device is connected with between the driving device and the winding drum, limits maximum torque output by the driving device and is connected with the control device. Through the measurement on winding and unwinding stressed states and winding and unwinding movement states of a cable and a clutch state of the tension protection device, self-adaption control is carried out on a rotating speed and torque of the winding drum, so that winding and unwinding movement of the cable is coordinated with active movement of a high-speed mobile object, and cable breakage is avoided.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
Air-ground combined agricultural spraying device and application thereof
InactiveCN103754368ASolve the problem of long-distance ground transportationOptimize joint operation effectAircraft componentsInsect catchers and killersAgricultural engineeringPropeller
The invention discloses an air-ground combined agricultural spraying device and application of the air-ground combined agricultural spraying device. The air-ground combined agricultural spraying device comprises an aircraft, connecting pipelines, a winch mechanism, a winch mechanism supporting rod, a power system, a liquid pesticide storage tank, a transport vehicle, a pressure pump, an inner passage, a propeller, a propeller beam, a propeller drive motor, an aircraft bracket and spray heads. According to the air-ground combined agricultural spraying device, the large-size heavy liquid pesticide tank, the pressure pump and the power system are installed on the transport vehicle, a spraying mechanism is installed on the small unmanned rotorcraft, and an air device and a ground device are connected through hoses and wires. In this way, aerial spraying in a limited area within ultra-long auto-hover time is achieved, and meanwhile long-distance ground transportation of an aircraft is achieved.
Owner:SOUTH CHINA AGRI UNIV
Hitching type electric self-service helicopter and system thereof
InactiveCN101385903AIncrease the amount of payload (task load)Extended air timeToy aircraftsRemote-control toysMotor driveElectric machine
The invention discloses a mooring type motor-driven and unmanned helicopter and a system thereof. The mooring type motor-driven and unmanned helicopter can remain in the air for a long time and can be used for the tasks such as detection and the like; the helicopter comprises a helicopter body, an electric engine, a group of servo operating devices and at least one mooring rope; the helicopter body is used for forming airflow rectifying culverts which are provided with a frame, the electric engine is installed on the frame, one end of an output shaft of the electric engine is connected with a group of blades by a first coupler, a group of servo operating devices respectively comprises a winch controlled by a servo electric engine, one end of the mooring rope is connected with the helicopter body by a corresponding mooring rope coupler, and the other end of the mooring rope winds around the winch. The electric engine is connected to a power supply device on the ground by power transmission cable in at least one mooring rope. The mooring type motor-driven and unmanned helicopter can determine height and position accurately within a height scope of 10 meters to 500 meters and has the advantages of outstanding maneuverability, rapid, simple and convenient unfolding of equipment, excellent service performance and convenient in use and maintenance.
Owner:北京陆武科技有限责任公司
Bionic flapping-wing machine with double-section main wings
InactiveCN103612755ASimple and compact structureIncrease liftOrnithoptersIntelligence gatheringTailplane
The invention discloses a bionic flapping-wing machine with double-section main wings. The bionic flapping-wing machine comprises a driving mechanism, a main bracket, a tail-wing mechanism, a double-section flapping-wing mechanism and two steering machines, wherein the driving mechanism is connected with the front end of the main bracket; the tail-wing mechanism is connected with the rear end of the main bracket; the double-section flapping-wing mechanism is connected to the driving mechanism; the two steering machines are arranged on the main bracket. The bionic flapping-wing machine disclosed by the invention has the following beneficial effects that the structure is simple and compact, the flapping-wing movement with complete symmetry can be realized, the flapping-wing machine can fly like a bird by adopting the double-section flapping-wing mechanism, due to the foldable wings, the resistance of the wings can be small in upwards flapping and the wingspan area can be the largest in downwards flapping, so that large lifting force is generated, and the flying speed and the hang time are increased. In addition, a spherical pair is adopted for connection with the tail-wing mechanism, the direction control of the flapping-wing machine is sensitive and the flapping-wing machine can imitate the flying of the bird. Furthermore, the bionic flapping-wing machine can be applied to the fields of bird repelling of an airport, monitoring, intelligence gathering, disaster rescuing and searching and the like.
Owner:CIVIL AVIATION UNIV OF CHINA
Aircraft with changeable wing shape
An airplane able to change the shape of wing is composed of an airplane body and two wings consisting of fixed wing with one end fixed to airplane body, slide wing installed in the skeleton of said fixed wing and with a roller moving in a spiral slot on a cylindrical body, and the cylindrical body and shape memory alloy bar, which are fixed to each other and installed in the skeleton of said fixed wing. Said shape memory alloy bar is used as the drive source for changing wing shape.
Owner:HARBIN INST OF TECH
Unmanned aerial vehicle (UAV) system and control method thereof
PendingCN109283938AImplement the control methodMeet the transmissionPosition/course control in three dimensionsWide areaGround station
The invention discloses a UAV system and a control method thereof. The UAV system is used to execute a task within a task area, and the task area is divided into subareas; the system comprises UAVs, ground stations and a control platform, the ground stations are in one-to-one correspondence with the subareas, and the ground stations are in communication connection with the UAVs in one to one correspondence; and the ground stations obtain an execution instruction from the control platform, and the ground station which obtains the execution instruction controls the corresponding UAV to execute the task in the corresponding subarea according to the execution instruction. The single UAV includes the bandwidth with the corresponding ground station independently, transmission of large data amount can be satisfied fully, flight subareas of the UAVs are relatively small, and hang time is longer; and a UAV task can be realized in a wider task area as wide-area monitoring in a better way.
Owner:SHENZHEN AUTEL INTELLIGENT AVIATION TECH CO LTD
Telephone with dynamically programmable push buttons for access to advanced applications
InactiveUS6978129B1Simple and dynamically programmable push buttonIncrease incomeUnauthorised/fraudulent call preventionEavesdropping prevention circuitsComputer hardwareTelephone network
A device and method for providing simple access to subscriber selected applications that reside in a telephone network. A programmable communication device that includes programmable push buttons operable for providing a user one button access to voice based and text based applications. A storage register is associated with each of the programmable push button and is operable for storing a directory number, such as a telephone number and a server address. The communication device includes a unique programming permission code for security purposes, such as restricting the use / reprogramming of the push buttons. A method of programming device push buttons including entering the programming permission code and selected advanced application information into the device. The method of programming may be done remotely or manually using various provisioning techniques.
Owner:AT&T INTPROP I L P
Bag body telescopic stratospheric airship
InactiveCN104417743AFly in smoothlyExtended air timeRigid airshipsGas-bag arrangementsAmbient pressureStratosphere
The invention discloses a bag body telescopic stratospheric airship. In order to enable an airship to lift up into a stratosphere, a telescopic inner air bag, a telescopic outer air bag, and a principle that the pressure between the inner air bag and the outer air bag is balanced are adopted; when the airship flies into the stratosphere from the ground, the telescopic inner air bag and the telescopic outer air bag can be expanded to required volumes along with the continuous reduction of external ambient pressure; when the airship returns to the ground from the stratosphere, the telescopic inner air bag and the telescopic outer air bag can be reduced to the original volumes along with the continuous increase of the external ambient pressure, so that the appearance and the safety of the airship can be guaranteed; meanwhile, the hang time of the airship is prolonged by times.
Owner:陈德荣
Telescopic wing
The invention discloses a telescopic wing which consists of a wing I (7), a wing II (8), a wing III (9), a pulley I (2), a pulley II (11), a steel rope I (3), a steel rope II (10), a hydraulic rod seat (4), a hydraulic rod (5) and a hydraulic cylinder (6). The action of the wing is to generate lifting force so as to support airborne flight of an aircraft; the lifting force generated by the same wing is in a close relationship with the speed and height of the aircraft; for the same wing, when the height is the same, the higher the speed of the aircraft is, the higher the lifting force is; when the speed is the same, the larger the height is, the lower the lifting force is. According to the telescopic wing, when the aircraft carries out a cruising flight at a high altitude with thin air, the wing completely stretches out, only low fuel consumption is needed by the aircraft due to the ultra-wide wing, a low navigational speed is maintained, and the aim of prolonging the hang time can be achieved; moreover, the wing is completely shortened during sailing or course reversal, so that the flight speed is improved, and the sailing or course reversal time is shortened.
Owner:枣庄铭世新型材料有限公司
Telephone with dynamically programmable push buttons for access to advanced applications
InactiveUS7133665B1Simple and dynamically programmable push buttonIncrease incomeUnauthorised/fraudulent call preventionEavesdropping prevention circuitsComputer hardwareTelephone network
Owner:AT&T INTPROP I LP
Bag skin material and aerostat
InactiveCN105173052AHigh gas barrierExtended air timeSynthetic resin layered productsGas-bag arrangementsMontmorilloniteWeight-bearing
The invention provides a bag skin material and an aerostat. The bag skin material comprises a weather-proof layer, an air-blocking layer, a weight-bearing layer and a welding layer which are overlapped, wherein the air-blocking layer is organic polymer with montmorillonite dispersed. The montmorillonite is dispersed in the organic polymer to form the air-blocking layer. Due to the property that the montmorillonite is layered crystalline silicate clay ore, the air-blocking performance of the bag skin material is improved. Furthermore, leakage of air inside the aerostat or an airship is reduced, and the hang time of the aerostat or the airship is lengthened.
Owner:DONGGUAN FRONTIER TECH INST +1
Apparatus for heating liquid samples for analysis
ActiveUS8596340B1Extended air timeImprove cooling effectHeating or cooling apparatusWithdrawing sample devicesEngineeringHeat spreader
Heat sinks for use in assemblies for preheating liquid samples prior to their introduction into an analytical stream. The heater assemblies have a heat sink having a metallic heater block and a heating element for heating the block. The block has a basin for receiving a liquid sample and allowing heat to be transmitted from the block to the sample. A drain at the lower end of the basin allows sample in the basin to flow out of the basin. A passageway extends through the block from the drain to an exterior surface of the block and provides a conduit for sample flowing from the drain, A temperature sensor is mounted in a cavity in the block and extends into the basin to measure the temperature of sample in the basin. A temperature sensor is mounted in a cavity in the block and measures the temperature of the block.
Owner:HORN JACK DELANEY JR
Tail-sitter vertical take-off and landing unmanned aerial vehicle as well as control system and control method thereof
InactiveCN109606674AVTOL withTake off smallVertical landing/take-off aircraftsLevel flightControl system
The invention provides a tail-sitter vertical take-off and landing unmanned aerial vehicle. The unmanned aerial vehicle comprises a fuselage (1), wings (2), tail wings (3), motors (4) and propellers (5), wherein the wings (2) and the tail wings (3) are disposed on the outer surface of the fuselage (1); the wings (2) are disposed in a lower dihedral manner, and the tail wings (3) are disposed in anupper dihedral manner; flight modes of the unmanned aerial vehicle comprise a vertical flight mode, a vertical-to-level transition mode, a level flight mode and a level-to-vertical transition mode, and the unmanned aerial vehicle combines both flight characteristics of a rotary-wing unmanned aerial vehicle and a fixed-wing unmanned aerial vehicle, so that an area for takeoff and landing is reduced. The speed in the level flight mode is high. The unmanned aerial vehicle has the characteristics of vertical take-off and landing, can be deployed in various restricted environments such as mountainous and hilly lands and narrow urban streets, and has a horizontal high-speed cruising function, so that the hang time is increased and the navigation is expanded. The invention also provides a control system and a control method of the tail-sitter vertical take-off and landing unmanned aerial vehicle.
Owner:CENT SOUTH UNIV
Bottom-adjustable propeller-type flying object
InactiveCN102917949ASimple structureExtended air timeUnmanned aerial vehiclesRemote controlled aircraftFlight control modesPropeller
Owner:选择产业株式会社
Auxiliary propeller folding mechanism of model airplane glider
InactiveCN103372321AExtended air timeImprove aerodynamic performanceToy aircraftsToy gearsJet aeroplanePropeller
An auxiliary propeller folding mechanism of a model airplane glider comprises a steering engine and an auxiliary propeller, wherein the steering engine comprises an oscillating arm, the auxiliary propeller is connected with an output shaft of a power element, the power element is connected with a machine body through a parallel four-connection-bar mechanism, the steering engine is fixed in the machine body, and the oscillating arm is connected with any one connection bar in the parallel four-connection-bar mechanism. A position sensor is arranged at the tail end of the stroke of the power element, the first connection bar or the second connection bar and is connected with the control end of a controller or the steering engine through a signal line. The steering engine drives the parallel four-connection-bar mechanism, and the auxiliary propeller and the power element can contract in the machine body or protrude out of the machine body. In the powerless gliding flight process, the auxiliary propeller and the power element contract in the machine body, and accordingly the aerodynamic performance of the machine body can be remarkably improved, resistance can be reduced and the glider hang time can be prolonged.
Owner:上海美利达电子科技有限公司
Aircraft for automatically monitoring atmospheric environment and monitoring method
PendingCN108528718AVarious control methodsExtended air timeAircraft componentsWithdrawing sample devicesControl mannerPower control system
The invention relates to an aircraft for automatically monitoring the atmospheric environment and a monitoring method. The aircraft comprises a drone carrying platform and an atmosphere sampler and ischaracterized in that the drone carrying platform comprises an electric drive system, a gas bag stabilizing system and a power control system, a battery provides driving force for the electric drivesystem so as to drive the drone carrying platform to move vertically and horizontally, and the gas bag stabilizing system comprises a helium bag which is mounted on the drone carrying platform and used for providing floating force for the drone carrying platform when a drone is in the air. The aircraft has the advantages that the hang time of the drone carrying platform is increased, atmosphere pollution conditions can be synchronously collected during flight or hanging, and sampling time is shortened under the premise that detection indexes are diversified and data is stable; the aircraft isdiversified in control manner and can work under different weather conditions.
Owner:威洁(石狮)中水回用技术有限公司
Nacelle for a wind turbine including a cooling circuit
ActiveUS20180274522A1Extended stayFacilitates salt crystallizationMagnetic circuit rotating partsEngine fuctionsNacelleWind force
A nacelle for a wind turbine includes an electrical generator having a stator and a rotor with an air gap between the stator and the rotor. The stator includes an annular support plate. A cooling circuit in the nacelle includes at least a first inlet portion for channeling a fluid cooling medium to the gap between the stator and the rotor. The first inlet portion of the cooling circuit includes at least an inlet hole on the annular support plate for letting at least a portion of the cooling medium flow towards the air gap and an inlet fan for making the fluid cooling medium flow in the inlet portion. The stator includes a circumferentially outer structure attached to the annular support plate and the cooling circuit includes at least a second outlet portion for channeling a heated fluid medium from the air gap between the stator and the rotor.
Owner:SIEMENS WIND POWER
Downward-throwing type sonde with dandelion-like structure
The invention discloses a downward-throwing type sonde with a dandelion-like structure. Upper and lower rotor wings of the sonde are not liable to damage in a severe environment, the normal use can beguaranteed even if a small number of rotor wings are damaged, and the sonde can be suitable for the detection of typhoon and other severe weather. When the upper and lower rotor wings are in a closedstate, the sonde is catapulted to a preset height, the upper and lower rotor wings are automatically opened, then the upper and lower rotor wings slowly fall down, a double-layer rotor wing structureis adopted, the inclination directions of the upper and lower rotor wings are opposite, airflow in opposite directions is generated under the action of an external environment, the rotation directions of the upper and lower rotor wings are opposite, air resistance can be enhanced, and longer hang time is obtained. By adjusting inclination angles of the upper and lower rotor wings, the descendingspeed of the sonde can be controlled, and ideal hang time is obtained. The analog resistance is adjusted by using a microcontroller, the relative torsional moment borne by each upper rotor wing and each lower rotor wing during rotation is changed, the relative rotation speed of the upper and lower rotor wings is changed, the descending speed of the sonde can be controlled, and the ideal hang timeis obtained.
Owner:BEIHANG UNIV
Small constant-tension power supply system for unmanned aerial vehicle
ActiveCN109774507AExtended air timeCharging stationsElectric vehicle charging technologyPower stationElectronic systems
The invention discloses a small constant-tension power supply system for an unmanned aerial vehicle. The system includes a power supply subsystem, a reel and release subsystem, a detection subsystem and a drive subsystem. The power supply subsystem includes a sliding ring and a power supply cable, one end of the power supply cable is connected with a ground power station through the sliding ring,and the other end of the system winds an outer roller and is connected with the unmanned aerial vehicle for supply power to the unmanned aerial vehicle after lead-out; the reel and release subsystem includes an inner roller, the outer roller and a torsion spring installed between the inner roller and the outer roller, cable reel and release can be achieved through rotation of the outer roller, thetorsion spring generates torque acting on the outer roller, and it is ensured that a power supply cable still keeps tension; the detection subsystem detects the angle difference between the inner roller and the outer roller, and a control signal is generated to drive a stepper motor to move. The system provides power for the unmanned aerial vehicle through a light power supply cable, and the functions of automatic reeling and releasing can be achieved according to the flying height and distance of the unmanned aerial vehicle, and the unmanned aerial vehicle can fly in air for a long time.
Owner:TSINGHUA UNIV
Heavy-load multi-rotor-wing unmanned helicopter
InactiveCN103101620AExtended air timeStrong weather resistanceEfficient propulsion technologiesWeight reductionRotary wingHeavy load
The invention relates to a rotor wing type unmanned plane and further relates to a multi-rotor-wing unmanned helicopter. The invention aims to provide the multi-rotor-wing unmanned helicopter which is not influenced by a battery and has strong load capability. The heavy-load multi-rotor-wing unmanned helicopter comprises a fuselage and four or more than four rotor wings, and is characterized in that the rotor wings are driven by a motor; and a power supply of the motor is transmitted from a ground through a cable. Compared with the prior art, the heavy-load multi-rotor-wing unmanned helicopter has the advantages of being used as a lifted-up platform, wherein the weight of the battery on a multi-rotor-wing machine is reduced, and more instruments and equipment can be placed on a plurality of the rotor wings.
Owner:TIANJIN AURORA UAV TECH
Water curtain spray booth
Owner:扬州琼花涂装工程技术有限公司
Nacelle for a wind turbine including a cooling circuit
ActiveUS10495068B2Compact solutionEasy to stopMagnetic circuit rotating partsEngine fuctionsNacelleCooling medium
Owner:SIEMENS WIND POWER
Aircraft and flying method thereof
InactiveCN106585964AAchieve vertical flightControl balancePower plant typeRotocraftFlight vehicleFixed wing
The invention provides an aircraft and a flying method thereof. The aircraft is provided with a plurality of power devices. The plurality of power devices comprise fuel power devices and electric power devices; the fuel power devices are driven by a fuel engine; the electric power devices comprise electric rotors driven by an electric motor; and the propelling directions of the fuel power devices are substantially vertical to rotation planes of the electric rotors so that the aircraft can vertically fly through simultaneous working of the fuel power devices and the electric power devices. As the aircraft simultaneously includes the fuel power devices and the electric rotors, the aircraft can bear heavy objects and can easily and accurately control the balance and posture of the aircraft. Optionally, the aircraft further comprises a fixed wing and the fixed wing is substantially parallel to the propelling directions of the plurality of power devices; therefore, at least partial power devices, including the fuel power devices, of the plurality of power devices can be matched with the fixed wing to realize flat flight of the aircraft.
Owner:杜兴
Multi-shaft unmanned aerial vehicle
ActiveCN104908955AIncreased weight burdenReduce weight burdenPower plant constructionEnergy efficient board measuresUncrewed vehicleEngineering
The invention relates to the field of unmanned aerial vehicles, in particular to a multi-shaft unmanned aerial vehicle having solar panels. The multi-shaft unmanned aerial vehicle comprises a vehicle body, multiple shafts and multiple independent solar panels, wherein the multiple shafts outwards extend from the vehicle body in the transverse direction; any adjacent two shafts in the multiple shafts are spaced from each other to form an inter-shaft gap, therefore, multiple corresponding inter-shaft gaps are formed by the multiple shafts; the solar panels are used for converting solar energy to electric energy; and each solar panel is arranged in one corresponding inter-shaft gap in the multiple inter-shaft gaps to cover the corresponding inter-shaft gap. The solar panels are mounted on the multi-shaft unmanned aerial vehicle, can provide the electric energy to the multi-shaft unmanned aerial vehicle, and increase the hang time of the multi-shaft unmanned aerial vehicle. The solar panels are arranged in the inter-shaft gaps, so that idle spaces of the multi-shaft unmanned aerial vehicle are used.
Owner:INST OF PHYSICS - CHINESE ACAD OF SCI
High-rise building firefighting method and system
InactiveCN107551432AIncrease the effective height of outdoor fire protectionExtended air timeFire rescueControl signalEffective height
The invention discloses a high-rise building firefighting method and system. The high-rise building firefighting system comprises a firefighting truck, a fire hose, connection bushes, connection components, unmanned gyroplanes, fixed bases, firefighting nozzles and a control system, and is characterized in that two ends of the fire hose are separately connected with the firefighting truck and thefirefighting nozzles; the unmanned gyroplanes are connected with firefighting water hose through the connection components and the connection bushes; long-time hovering of the unmanned gyroplanes is ensured through electric wires; control signals of the unmanned gyroplanes are not affected by ambient magnetic fields through data cables; and the control system controls the firefighting nozzles to finish firefighting work in high-rise buildings by controlling positions of the unmanned gyroplanes. By adopting the high-rise building firefighting method and system, through effective combination ofthe multiple unmanned gyroplanes, current firefighting effective height is greatly increased; the high-rise building firefighting method and system are applicable to any high-rise buildings; and working use space of firefighting equipment is reduced through combination of the unmanned gyroplanes and the fire hose.
Owner:陈泽泽
Solid rocket vehicle
ActiveCN110588977AEasy to liftImprove the lift-to-drag ratioAircraft controlParachutesFlight testRocket
The invention discloses a solid rocket vehicle, and belongs to the field of recyclable rocket design. The solid rocket vehicle specifically comprises a head load compartment, a rocket body, wings, a rudder, horizontal tail rudders, an adjustable gas flow baffle, ad a tilt buffer; the head load compartment is in a lifting-body shape, the wings are located on both sides of the middle of the rocket body, and the horizontal tail rudders are located on both sides of the rear of the rocket body; and the rudder is located on the back of the rocket body, and the adjustable gas flow baffle is mounted on the rocket body and placed at the lower back portion of the outlet of an engine nozzle. The solid rocket vehicle comprehensively applies the lifting-body load compartment, the wing-level full-actingtail rudders and the landing buffer to increase the lifting force of a flight test platform, and the lift-block ratio and the delay time of the flight test platform are improved, so that the cruisingcapability of the flight test platform is improved; and the method of control rolling rotating of the differential horizontal tail rudders is used, the complexity of a control mechanism is simplified, the self-control of the drop point is achieved by using the cruising capability and the tilt strategies of the flight test platform, and landing recovery is easier.
Owner:北京凌空天行科技有限责任公司
Blank balloon assembly on symmetric-layout rotorcrafts
InactiveCN105151270AExtended air timeImprove effectivenessBalloon aircraftsSolenoid valveFlight vehicle
The invention particularly relates to a blank balloon assembly on symmetric-layout rotorcrafts. The blank balloon assembly on the symmetric-layout rotorcrafts comprises a blank balloon, an inflation and deflation pump and an air storage tank. Modular packaging is adopted, and the blank balloon assembly can be rapidly arranged on the various symmetric-layout rotorcrafts. The air storage tank is connected with the inflation and deflation pump, the other end of the inflation and deflation pump is connected with the blank balloon, and inflation and deflation are dynamically controlled by a solenoid valve. The blank balloon assembly on the symmetric-layout rotorcrafts is designed modularly, can be rapidly arranged on the various symmetric-layout rotorcrafts and can be utilized repeatedly, inflation and deflation are carried out multiple times, the buoyancy of the rotorcrafts is dynamically controlled, the size of the balloon is adjusted manually / automatically, the hang time of the rotorcrafts is remarkably prolonged, the effective loads of the rotorcrafts are remarkably increased, and the high practical value is achieved.
Owner:INSPUR GROUP CO LTD
Water curtain separation system for fire source separation and purpose
InactiveCN106512258AExtended air timeImprove insulation effectFire rescueBoring toolsEngineeringHigh pressure
The invention discloses a water curtain separation system for fire source separation. The system comprises a high-pressure atomization nozzle array; the high-pressure atomization nozzle array is formed by arranging high-pressure atomization nozzles according to the shape demand of a water curtain separator, and is used for atomizing a high-pressure water source to form a high-pressure fine water mist water curtain separator; and the high-pressure atomization nozzles are arranged in the low position of the formed water curtain separator, and are sprayed to form the water curtain separator in a vertical upward spraying mode. The system has the following beneficial effects: a scheme of spraying fine water mist in a necessary area to form a fine water mist separation wall is proposed; and the fire source isolation and fire propagation control problems in such special environments as tunnels at the time of occurring fire are solved. Further, a ground spraying fine water mist separation wall forming scheme for tunnel fire is proposed; and the scheme prolongs the hang time (longer than that of a top spraying fine water mist separation wall by one time) of sprayed fine water mists, and improves the heat insulation effect of the separation wall.
Owner:VITALONG FIRE SAFETY GRP
Harmful gas distribution and traceability detection method in airspace range based on unmanned aerial vehicle
PendingCN112327904AIncrease awarenessReduce weightAnalysing gaseous mixturesHeight/levelling measurementUncrewed vehicleEngineering
The invention relates to a harmful gas distribution and traceability detection method in an airspace range based on an unmanned aerial vehicle. An unmanned aerial vehicle system carrying a harmful gasrapid detection unit based on a tablet electrochemical sensor, a hovering height detection unit, a video image unit, a positioning unit and a wireless data transmission unit and a data receiving platform are used for carrying out harmful gas distribution and traceability detection in an airspace range; and harmful gas concentration data detected by the unmanned aerial vehicle at different positions and different heights are uploaded to the data receiving platform in real time, and on-site videos are transmitted in real time. Compared with a traditional ground station measurement mode, the measurement mode is improved from a plane to a three-dimensional mode, and the understanding of harmful gas distribution is greatly improved; by using the tablet electrochemical sensor, the weight of a detection device is greatly reduced, and the hang time of the unmanned aerial vehicle is favorably prolonged; and through construction of spatial vectors of harmful gas distribution, discovery and pre-judgment of harmful gas diffusion channels are greatly improved.
Owner:北京鑫康尔兴科技发展有限公司
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 Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com