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.
53results about How to "To achieve the purpose of decompression" 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
Closed loop cycle electric heater with decompression apparatus
InactiveCN101392929ATo achieve the purpose of decompressionSimple structureLighting and heating apparatusElectric heating systemElectricityClosed loop
The invention discloses a closed loop circulating electric heater with a pressure release device. The electric heater comprises an electric heating unit consisting of heat exchange blades; the inside of each blade is filled with liquid; the lower part of the inside of the electric heating unit is provided with an electric heating tube; a pressure release hole is arranged on the electric heater and is sealed by a material with a low melting point; when an operating component inside the electric heater is damaged or failed, the liquid can absorb heat, reach phase change and is gasified to form expansion pressure in order that the pressure in the electric heating unit is sharply increased; and when the temperature reaches the set temperature of the melting point of the sealing material, the material with the low melting point begins to melt in order that the overpressure liquid in the electric heating unit can flow out from the pressure release hole, thereby achieving the aim of pressure release. The closed loop circulating electric heater has a simple structure, good reliability, high accuracy of pressure release and no problem of long-term aging, and can be widely applied to the manufacture of the closed loop circulating electric heater.
Owner:倪小美
Hard top plate waterflooding pressure relief treatment method
InactiveCN104594898AGrasp the development of cracksStratified in timeDisloding machinesUnderground miningPlate pressureEngineering
The invention discloses a hard top plate waterflooding pressure relief treatment method. The method comprises the following steps of S1, according to a stratum histogram, through combination with a rock mechanical property test, carrying out preliminary analysis on positions and development case of top plate separation fractures, S2, when cutting depth at an open-off cut on the work surface is in a range of 13-17m, drilling a row of holes on the top plate at a certain angle along a work surface advance direction, and observing top plate rock stratum crack development case by a borehole camera, S3, further detecting top board crack development case by a double-head water-plugging device detection system, S4, determining a top plate rock stratum crack development range and depth according to the results of the above three steps, and pouring high pressure water into the cracks by a high pressure water pump so that hard top plate integrity is broken and rock strength is reduced, and S5, after top plate pressure is released, sequentially pushing the work surface and repeating the above processes until work surface exploitation is finished. The method can realize accurate positioning of a pre-cracked top plate position and full utilization of a top plate separation layer crack space and is frees of artificial arrangement of a pre-cracking space.
Owner:SHANDONG UNIV OF SCI & TECH
Gate type explosion-proof valve
InactiveCN103062457AAdaptableRelieve the pressure quicklyEqualizing valvesSafety valvesEngineeringHigh pressure
Owner:于波涛
Pressure kettle
ActiveCN106580079ASimple structureCompact structureCooking-vessel lids/coversWater-boiling vesselsWater dischargeControl engineering
The present invention discloses a pressure kettle. The pressure kettle comprises a kettle body, a kettle cover, a first movable component, a second movable component and a switch; an accommodating cavity is defined in the kettle body; a water outlet communicated with the accommodating cavity is formed in the kettle cover; a water outgoing valve for opening and close the water outlet is arranged in the kettle cover; an air exhausting channel communicated with the accommodating cavity is arranged on the kettle cover; the first movable component is arranged on the kettle cover so as to open and close the air exhausting channel; the second movable component is arranged on the kettle cover; the first movable component cooperates with the second movable component and the water outgoing valve, so that after the first movable component opens the air exhausting channel, the second movable component opens the water outgoing valve; and the switch is movably arranged on the kettle body or the kettle cover so as to move drive the first movable component to move. With the pressure kettle provided by the embodiments of the invention adopted, pressure relief before water discharge can be realized, the safety of the water discharge of the pressure kettle can be ensured. The pressure kettle has the advantages of simple structure, compactness, simple operation, safe and reliable water discharge.
Owner:GUANGDONG MIDEA CONSUMER ELECTRICS MFG CO LTD +1
Membrane auxiliary type compression bar destabilizing trigger type pressure relief device applied to micro-pressure working condition
InactiveCN105318053ATo achieve the purpose of decompressionOperating means/releasing devices for valvesEqualizing valvesCritical loadEngineering
The invention discloses a membrane auxiliary type compression bar destabilizing trigger type pressure relief device applied to the micro-pressure working condition. The membrane auxiliary type compression bar destabilizing trigger type pressure relief device mainly comprises a valve body, a valve clack, a valve deck, a lock arm, a lock catch, a membrane shell body, a membrane, a connecting rod, a hinge, a linkage tumbler, a slender bar, a nut, a bar cage and a pressure communicating pipe. The medium pressure is introduced to the shell body to be played on the membrane through the pressure communicating pipe, thrust load is produced, and the load is loaded on the slender bar through the connecting rod integrated with the membrane. Under the normal working condition, the load acting on the slender bar is less than the critical load of the slender bar, and the slender bar remains stable, the lock catch is locked in the lock arm at this moment, and the valve clack is fixed and can not take off, so that the device is in a closed state; under the abnormal working condition, the slender bar is destabilized and loses the bearing capacity, the membrane and the connecting rod are pushed by the medium pressure to move and drive the linkage tumbler to act, the lock arm is driven by the linkage tumbler to move, the lock catch is released from the lock catch, and the valve clack is disengaged from the sealing face of the valve body at this moment, so that the purpose of pressure relief is achieved.
Owner:JIANGSU RELIABLE MECHANICAL EQUIP CO LTD
Hydraulic bidirectional lock and crane with same
InactiveCN102003423ARelieve pressureTo achieve the purpose of decompressionServomotor componentsCranesEngineeringDual action
The invention discloses a hydraulic bidirectional lock comprising a first one-way valve and a second one-way valve. An oil way of the second one-way valve is connected in parallel with an overflowing valve, an oil inlet of the overflowing valve is communicated with an oil outlet of the second one-way valve, and the oil outlet of the overflowing valve is communicated with an oil inlet of the second one-way valve. The hydraulic bidirectional lock has the functions of pressure release and protection, can discharge residential pressure oil when the pressure of a locked oil cylinder exceeds a set value so as to constantly keep the pressure in the oil cylinder at a safe level and take the dual action of locking and protecting the oil cylinder. The invention also discloses a crane provided with the hydraulic bidirectional lock.
Owner:XUZHOU HEAVY MASCH CO LTD
Method for improving extraction rate of high residual gas content coal seam of underground coal mine
The invention discloses a method for improving the extraction rate of a high residual gas content coal seam of an underground coal mine. The method comprises the following steps that a mounting hole is drilled; a hole opening sealing connection pipe fitting is mounted and fixed; construction of a gas extraction drill hole is conducted; CaC2 is stored in the gas extraction drill hole; a mine waterpressing pipeline is connected with the hole opening sealing connection pipe fitting, water is jetted into the gas extraction drill hole, and the hole opening sealing connection pipe fitting is closedafter jet is finished; CaC2 in the gas extraction drill hole and the water are subjected to reaction to generate Ca(OH)2 and C2H2, a large amount of heat is generated at the same time, under the thermal effect, coal seam gas is accelerated to conduct desorbing; and the hole opening sealing connection pipe fitting is connected with an extraction pipe, and gas extraction is conducted through pipe-linking. According to the method for improving the extraction rate of the high residual gas content coal seam of the underground coal mine, the temperature in the drill hole is further improved to promote gas desorption of the coal seam, and the gas extraction rate is improved accordingly; and interval hole drilling implement or concentrated hole drilling implement can be adopted according to occurrence characteristics of the coal seam and the drill hole arranging form. The method for improving the extraction rate of the high residual gas content coal seam of the underground coal mine has the characteristics of safety, high efficiency, reliability and small engineering quantity, and can be widely used in the field of gas extraction of the underground coal mine.
Owner:HENAN POLYTECHNIC UNIV
Front end cover assembly for integrated lubrication cooling power pump of engine
InactiveCN101592074ACompact structureSave materialMachines/enginesPressure lubrication with lubrication pumpEngineeringCylinder block
The invention discloses a front end cover assembly for an integrated lubrication cooling power pump of an engine, which comprises a front end cover, a cooling water pump and a lubricating oil pump, wherein a lubricating pump mounting slot is arranged in the circumferential direction of the lubricating oil pump on the periphery of a cylinder crank shaft hole on the front end cover, an inner rotor and an outer rotor of the lubricating oil pump are arranged in the lubricating pump mounting slot, an outer cover covers outside the lubricating pump mounting slot, and gaps are reserved among the lubricating pump mounting slot, the outer cover and the inner rotor and the outer rotor; and the front end cover is also provided with a mounting base of the cooling water pump, and the cooling water pump is arranged on the mounting base of the cooling water pump. The front end cover assembly for the integrated lubrication cooling power pump of the engine has a compact structure, saves materials and reduces the cost.
Owner:CHONGQING HAITONG INVESTMENT GROUP
Pressure relief method for short-distance overlying residual coal pillar
ActiveCN110714764AStrong targetingStrong security and reliabilityUnderground miningBlastingMining engineeringCoal pillar
The invention discloses a pressure relief method for a short-distance overlying residual coal pillar. The method comprises the following steps that a standard test piece is prepared in a laboratory after sampling, and the width X1 of a crushing zone formed by the influence of primary mining in the coal pillar and the width X2 of a crushing zone formed by the influence of secondary mining in the coal pillar are determined; a hole is drilled upwards in the roadside on the side, close to the coal pillar, of an underlying coal seam roadway on the site, an explosive is filled in the hole for blasting, as the shape of the cross section of the remaining part of the coal pillar approximates to a parallelogram, through the instability quality of the parallelogram, the coal pillar is further damagedunder the action of concentrated load of a top plate, the whole coal pillar loses the stress transmission capability, pressure relief is further realized, and the coal mining face is guaranteed to bemined under a low-stress state. The pressure relief method for the short-distance overlying residual coal pillar has the advantages of scientific principle, reasonable design, strong pertinence, convenient operation, high efficiency, high safety and reliability and good pressure relief effect by adopting the operation mode of combining theory with practice.
Owner:山西工程技术学院
Water overflow preventing teapot lid with pressure relief cylinders
ActiveCN103222803AGuaranteed insulation effectTo achieve the purpose of decompressionCooking-vessel lids/coversEngineeringDisplacement pressure
The invention discloses a water overflow preventing teapot lid with a pressure relief cylinders, which relates to the teapot lid. According to the teapot lid, an annular bulge (7) is arranged on the outer edge of the teapot lid; a necking annular cylinder (8) is arranged at the lower part of the annular bulge; upper ends of at least three elastic clamping sheets (9) are fixedly connected with the lower end or inner face of the lower part of the annular cylinder; at least two openings (6) are arranged around a handle of the teapot; outer walls of at least two cylinder bodies (4) of the pressure relief cylinders are in clearance fit with inner walls of the openings; a plurality of pressure relief holes (3) are formed in the cylinder bodies; anti-drop outwards turned plates (5) are arranged at the lower ends of the cylinder bodies; plate bodies (1) are arranged at the upper ends of the cylinder bodies; diameters of the plate bodies are larger than that of the openings; and the pressure relief holes in the cylinder bodies form pressure relief exhaust passages. According to the teapot lid, the openings formed in the teapot lip are closed by the arranged pressure relief cylinders to guarantee the temperature of the water can not be lowed; the pressure relief cylinders are lifted by water vapour to form the exhaust passages, so as to achieve the purpose of large displacement pressure relief, and to effectively reduce water overflow phenomenons.
Owner:SUNWAY HARDWARE CO LTD
Oil pump and engine lubrication system
ActiveCN109469609ATo achieve the purpose of decompressionRotary piston pumpsLubricating pumpsEngineeringHigh pressure
The invention discloses an oil pump. The oil pump comprises a pressure-limiting valve and a pump main body. The pump main body is provide with a high pressure oil cavity, a low pressure oil cavity, afeedback oil duct and an oil output duct communicating with the high pressure oil cavity. The pressure-limiting valve comprises a pressure-limiting valve element, an elastic part and a valve cylinder.The pressure-limiting valve element comprises a first valve element disk, a second valve element disk and a valve rod. The radial direction sectional area of the first valve element disk is smaller than the radial direction sectional area of the second valve element disk. The valve cylinder is provided with a first accommodating cylinder and a second accommodating cylinder. The first accommodating cylinder and the second accommodating cylinder communicate coaxially. A high pressure oil port communicating with the high pressure oil cavity and a low pressure oil port communicating with the lowpressure oil cavity are formed in the side wall of the second accommodating cylinder. The feedback oil duct communicates with the first accommodating cylinder. The elastic part is arranged inside thesecond accommodating cylinder. The high pressure oil port communicates with annular space enclosed by the first valve element disk, the second valve element disk and the valve cylinder. In the axial direction of the valve cylinder, the second valve element disk is located between the low pressure oil port and the high pressure oil port. According to the oil pump, the situation that when an enginestarts, the engine receives bigger oil pressure impact can be avoided.
Owner:CHERY AUTOMOBILE CO LTD
Remote fishing control system
ActiveCN108935365ARealize online and offline interactive remote fishingTo achieve the purpose of decompressionProgramme-controlled manipulatorOther angling devicesRemote controlControl system
The invention discloses a remote fishing control system. The remote fishing control system comprises a front-end computer, an image collecting device, a fishing device, a cloud server and a user terminal; the front-end computer and the user terminal are separately in wireless connection with the cloud server, and the fishing device and the image collecting device are separately in communication with the front-end computer; the front-end computer is used for acquiring image information, collected by the image collecting device in real time, of a fishing place, the image information is transmitted to the user terminal through the cloud server, the user terminal transmits a corresponding instruction to the cloud server according to the image information, the cloud server transmits the instruction to the front-end computer, and the front-end computer controls the phishing device to perform corresponding action according to the instruction. The remote fishing control system is not limited by time and space, remote control over the fishing device can be achieved by only operating the terminal, and the interestingness and interactivity are both high.
Owner:王斌
Anti-floating structure for water release and pressure relief
ActiveCN103806473BGuaranteed stabilityImprove anti-floating stabilityProtective foundationBasementWater discharge
The invention discloses a water release and pressure relief anti-floating structure which comprises a basic supporting layer and a basement baseplate arranged above the basic supporting layer, and further comprises a pressure relief device mounted on the basement baseplate; the pressure relief device comprises a pump drainage device, a water drain device and a valve body mounted at a water outlet of a water drain pipe; the water drain pipe is communicated with an underground water body; the pump drainage device is connected with the valve body. When the basement baseplate bears relatively large buoyancy, the valve body is opened, and underground water is pumped and drained through the pump drainage system, so that the whole basement baseplate is guaranteed to have anti-floating stability. Through the description, when the buoyancy born by the basement baseplate is larger than that born by a self structure, underground water is pumped through the pressure relief device, so that the buoyancy of underground water is reduced effectively, the anti-floating stability of the basement baseplate is improved, and the service life of the building is prolonged effectively.
Owner:SOUTHWESTERN ARCHITECTURAL DESIGN INST
Pressure vessel with manual pressure relief valve
Disclosed is a pressure vessel with a manual pressure relief valve. The manual pressure relief valve is a supplement to the pressure vessel. When a rupture disk which should be opened by high-pressure gas passing through the vessel is not opened or when a safety valve fails due to the fact that over-pressure gas is introduced into the vessel, pressure relief can be achieved in time by means of the manual pressure relief valve. The pressure vessel is characterized by comprising a tank body, the manual pressure relief valve is arranged on the outer wall of the tank body, the manual pressure relief valve comprises a valve body, one end of the valve body is fixed on the tank body through a fixed base, the other end of the valve body is connected with a pressure relief nut through threads, an ejector rod is arranged in the pressure relief nut, the front end of a valve element in the valve body corresponds to an inner cavity of the tank body, a press rod is arranged at the tail end of the valve element, and the press rod corresponds to the ejector rod.
Owner:北京北机机电工业有限责任公司
Two-way water stop valve
ActiveCN112900376BReduce resistancePlay a protective effectBarrages/weirsHydro energy generationStructural engineeringEngineering physics
This application relates to the field of urban drainage, in particular to a two-way water stop valve, which is characterized in that it includes a gate frame, a gate is slidably connected to the gate frame, a screw lift is provided on the gate frame, and the wire The end of the screw rod of the rod lifter is connected with the gate. Both sides of the gate are connected with water-stop rubber strips. pressure relief structure. The application has the advantage of improving the water-stopping effect of the water-stop valve.
Owner:WUXI HAORUN ENVIRONMENTAL PROTECTION TECH CO LTD
Traffic tunnel surrounding rock cooperative control system and construction method thereof
ActiveCN112647969ASmall overall deformationReduce large deformationUnderground chambersTunnel liningEnergy absorptionControl system
The invention relates to a traffic tunnel surrounding rock cooperative control system and a construction method thereof. The traffic tunnel surrounding rock cooperative control system comprises a quick-setting slurry layer, a flexible explosion-proof energy absorption layer, a rigid guard plate layer and a rigid arch frame which can be sequentially arranged from the inner wall of a tunnel to the inner space of the tunnel, and a plurality of telescopic pieces are arranged between the flexible explosion-proof energy absorption layer and the rigid guard plate layer; a gap between the flexible explosion-proof energy absorption layer and the rigid guard plate layer is filled with a flexible material; and the flexible explosion-proof energy absorption layer can be fixedly connected with surrounding rock through anchoring pieces, and the anchoring pieces can be inserted into the surrounding rock. Through a supporting structure, the problem of surrounding rock large deformation faced by a traffic tunnel can be effectively prevented and controlled.
Owner:SHANDONG UNIV +3
Armature core polishing device for electric tool
ActiveCN114559358ARealize back and forth adjustmentTo achieve the purpose of decompressionGrinding wheel securing apparatusPolishing machinesPolishingEngineering
The invention discloses an armature iron core polishing device for an electric tool, and relates to the field of armature iron core polishing devices.The armature iron core polishing device comprises a transmission rod, a fixing assembly is arranged on the transmission rod, and a polishing assembly used for polishing an armature iron core is arranged on the fixing assembly. The armature core only needs to be clamped and fixed on one side distributed in the length direction of the transmission rod, the surface of the armature core can be polished by a fixed thickness through the polishing and grinding plate, and when protrusions exist on the surface of the armature core and are difficult to grind, the polishing and grinding plate can abut against the protrusions on the armature core to compress a first spring for avoiding; therefore, the protrusion position is slowly polished and ground off, and the phenomenon that the protrusion is polished off at a time and a pit which is difficult to repair is formed on the surface of the armature iron core is avoided.
Owner:南通圣迪机电有限公司
A filling device for coal mining
ActiveCN110985115BAnti-breakageTo achieve a fixed connectionMaterial fill-upMining engineeringAirbag
Owner:COAL IND JINAN DESIGN & RES
Agricultural irrigation water pump with decontamination and anti-blocking functions
ActiveCN113251005AWith cleaning and anti-blocking functionRealize resetPump componentsPumpsWater useAgricultural irrigation
The invention disclose an agricultural irrigation water pump with decontamination and anti-blocking functions. The water pump is characterized in that a connecting base is arranged at a water inlet of a pump body, the connecting base is connected with a water inlet flange of the pump body, a limiting mechanism is arranged at the end, away from the water inlet of the pump body, of the connecting base, the other end of a sliding rod is connected with a second end cover in a sleeved mode, the sliding rod is in bolted connection with the second end cover, a plurality of third connecting holes are fixedly connected with one ends of a plurality of connecting rods, and the other ends of the plurality of connecting rods penetrate through a decontamination brush to be fixedly connected with a shell. According to the agricultural irrigation water pump with the decontamination and anti-blocking functions, irrigation water is filtered by means of a filter sleeve, and when the outer wall of the filter sleeve is blocked by accumulated dirt, water pressure can push the second end cover and a first end cover to move towards the water inlet, so that the outer wall of the filter sleeve makes contact with the decontamination brush, decontamination operation on the surface of the filter sleeve is achieved, pressure stabilization is realized through the cooperation of the limiting mechanism, the first end cover, the second end cover, the connecting rods and a push block, and finally resetting of the filter sleeve is realized under action of a disc spring.
Owner:山东云之雨精密模具有限公司
Linear bone file with nerve monitoring function
PendingCN114376667ATo achieve the purpose of decompressionAvoid nerve damageDiagnostic recording/measuringSensorsSurgical operationSurgical Manipulation
The invention discloses a linear bone file with a nerve monitoring function, the linear bone file is in a flat belt shape and is provided with a working part and a traction part, the working part comprises a filing area and a frame, the frame is fixed with the outer edge of the filing area, the filing area is a chain-shaped strip formed by longitudinally arranging or longitudinally and transversely flexibly connecting two or more filing pieces, and the traction part is connected with the chain-shaped strip. The working face of each filing piece is provided with filing lines, the back face of each filing piece is smooth, the traction parts are arranged at the two ends of the working part and fixedly connected with the frame, and at least one nerve monitoring element is arranged on the surface of the working part and / or the traction parts. The traditional mode that a high-speed abrasive drill is used for excising the vertebral plate is optimized, the vertebral plate is rasped through the fret saw, operation is easy, higher safety is achieved, nerve electrophysiological signals of the surgical site can be monitored in an operation, nerve function positioning and function evaluation can be conducted, surgical operation can be assisted and guided, and nerve damage is avoided.
Owner:上海锦立城医疗科技有限公司
Normally-closed air inlet valve of air compressor
PendingCN108425832ASimple structureReduce leaksPositive displacement pump componentsPositive-displacement liquid enginesPistonGas pipeline
The invention relates to a normally-closed air inlet valve of an air compressor. The normally-closed air inlet valve comprises a valve body. The valve body is provided with a pressure rising hole, a pressure release hole and a cavity located in the valve body. A gas pipeline connector is connected with the pressure rising hole. An upper cover body is connected with the valve body and provided withan air inlet. A piston is arranged in the cavity. A piston cap is fixed to the cavity. The normally-closed air inlet valve further comprises a sealing top. The sealing top is connected to the pistonin a sleeving mode. A scram spring is arranged at the sleeving joint of the sealing top and the piston. A reset spring is arranged at the bottom of the piston and the bottom of the cavity. An electromagnetic valve is connected to the valve body. The sealing top, the piston and the piston cap are provided with sealing rings correspondingly. An upper cover body O-shaped ring is arranged at the air inlet of the upper cover body. Pressure in the air compressor is released through a hollow pipeline in the piston, the piston cap and the sealing top from the pressure release hole, thus, the purpose of pressure release is achieved, a gap is formed between the sealing top and the upper cover body O-shaped ring in the pressure release process, air supply of the air inlet valve is achieved through the gap, and oil circulation is ensured.
Owner:WENZHOU MANTURE TECH
Anti-overflow teapot lid with pressure relief barrel
ActiveCN103222803BGuaranteed insulation effectTo achieve the purpose of decompressionCooking-vessel lids/coversEngineeringDisplacement pressure
The invention discloses a water overflow preventing teapot lid with a pressure relief cylinders, which relates to the teapot lid. According to the teapot lid, an annular bulge (7) is arranged on the outer edge of the teapot lid; a necking annular cylinder (8) is arranged at the lower part of the annular bulge; upper ends of at least three elastic clamping sheets (9) are fixedly connected with the lower end or inner face of the lower part of the annular cylinder; at least two openings (6) are arranged around a handle of the teapot; outer walls of at least two cylinder bodies (4) of the pressure relief cylinders are in clearance fit with inner walls of the openings; a plurality of pressure relief holes (3) are formed in the cylinder bodies; anti-drop outwards turned plates (5) are arranged at the lower ends of the cylinder bodies; plate bodies (1) are arranged at the upper ends of the cylinder bodies; diameters of the plate bodies are larger than that of the openings; and the pressure relief holes in the cylinder bodies form pressure relief exhaust passages. According to the teapot lid, the openings formed in the teapot lip are closed by the arranged pressure relief cylinders to guarantee the temperature of the water can not be lowed; the pressure relief cylinders are lifted by water vapour to form the exhaust passages, so as to achieve the purpose of large displacement pressure relief, and to effectively reduce water overflow phenomenons.
Owner:SUNWAY HARDWARE CO LTD
A method for increasing the extraction rate of coal seams with high residual gas content in underground coal mines
Owner:HENAN POLYTECHNIC UNIV
Intelligent oil tank cover and oil tank
PendingCN113247151AThe operation process is simpleEasy to operateFuel tanksSlide plateControl engineering
The invention relates to the technical fields of oil tanks, and particularly relates to an intelligent fuel tank cover and an oil tank. A motorcycle body is included, the position, close to the rear end, of the interior of the motorcycle body is fixedly connected with a fuel adding tank, and the positions, close to the upper end of the fuel adding tank, of the two sides of the inner surface of the motorcycle body are fixedly connected with fixing plates; a connecting block is fixedly connected to the position, close to the rear end, of the outer surface of the upper end of the fixing plate, cushions are movably connected to the outer surfaces of the two sides of the connecting block, a sliding plate is slidably connected between the fixing plate and the fuel adding tank, and a stretching mechanism is movably connected to the rear end of the sliding plate. By setting the stretching mechanism, a user can turn over the seat cushions to drive the sliding plate to slide, so that an oil filling port is automatically closed and opened, the operation process is simplified, an operator can operate conveniently, and meanwhile the situation that the hands of the operator make contact with the oil tank cover, and the hands of the operator are contaminated due to the fact that the outer surface of the oil tank cover is contaminated with oil stains is avoided.
Owner:孙增光
Pressure control valve for negative pressure food processor
ActiveCN105686701BReduce hingesTo achieve the purpose of decompressionKitchen equipmentAir pumpElectric machinery
The invention relates to the technical field of household electrical appliances for food processing and parts thereof, in particular to a pressure control valve applied to a negative pressure food cooking machine. The cooking machine includes a machine base and a cooking cup. The cooking cup is provided with a handle, and the lid is covered on the cooking cup. A motor and a vacuum pump are installed in the machine base. There is a suction nozzle on the wall of the cooking cup, and the check valve is connected to the suction nozzle. The upper part is connected with the vacuum pump in the frame through the exhaust pipe. The check valve includes a hard shell, a soft shell and a valve core. The soft shell is set on the hard shell to form a closed cavity. The valve core is placed in the cavity and the entrance of the soft shell is closed by its own weight to form a check valve. The pressure part moves the spool away from the inlet of the soft case under the action of external force to open the check valve. The invention has the advantages of simple structure, reliability and long service life.
Owner:邓雅文
Front end cover assembly for integrated lubrication cooling power pump of engine
InactiveCN101592074BCompact structureSave limited spaceMachines/enginesPressure lubrication with lubrication pumpCooling powerMechanical engineering
The invention discloses a front end cover assembly for an integrated lubrication cooling power pump of an engine, which comprises a front end cover, a cooling water pump and a lubricating oil pump, wherein a lubricating pump mounting slot is arranged in the circumferential direction of the lubricating oil pump on the periphery of a cylinder crank shaft hole on the front end cover, an inner rotor and an outer rotor of the lubricating oil pump are arranged in the lubricating pump mounting slot, an outer cover covers outside the lubricating pump mounting slot, and gaps are reserved among the lubricating pump mounting slot, the outer cover and the inner rotor and the outer rotor; and the front end cover is also provided with a mounting base of the cooling water pump, and the cooling water pump is arranged on the mounting base of the cooling water pump. The front end cover assembly for the integrated lubrication cooling power pump of the engine has a compact structure, saves materials and reduces the cost.
Owner:CHONGQING HAITONG INVESTMENT GROUP
A pressure relief method for overlying residual coal pillars at short distances
ActiveCN110714764BStrong targetingStrong security and reliabilityUnderground miningBlastingTEX-explosiveMining engineering
A method for pressure relief of residual coal pillars at a short distance, comprising the steps of: making a standard test piece in a laboratory after sampling, and determining the width X of the crushed zone formed by the impact of primary mining in the coal pillars 1 and the width of the broken zone formed by the impact of secondary mining on the coal pillar X 2 : At the site, holes are drilled upwards on the side of the roadway near the coal pillar in the underlying coal seam, and explosives are filled in the borehole for blasting. Further damage under load will cause the entire coal pillar to lose its stress transmission capacity, thereby achieving pressure relief and ensuring coal mining face mining under low stress conditions. The invention has a scientific principle, a reasonable design, adopts an operation mode combining theory with practice, and has the advantages of strong pertinence, convenient operation, high efficiency, strong safety and reliability, and good pressure relief effect.
Owner:山西工程技术学院
Efficient gas pressure reducing device
ActiveCN112113023AAvoid decompressionTo achieve the purpose of decompressionOperating means/releasing devices for valvesInternal combustion piston enginesEngineeringPiston
The invention discloses an efficient gas pressure reducing device. The lower end of a high-pressure pipeline is communicated with the lower end of a low-pressure pipeline through a second shell, a valve hole with the size adjusted through vertical movement of a valve head is formed in the second shell, a damping cavity is formed in the bottom of the first shell, and a pipe hole used for vertical movement of a piston at the top of an air valve rod to be through is formed in the middle of the damping cavity; the piston at the top of the air valve rod is connected with a diaphragm, the diaphragmisolates a first shell inner cavity space on the upper portion of the diaphragm from a first shell damping cavity on the lower portion of the diaphragm, the damping cavity is isolated from the high-pressure pipeline and communicated with the low-pressure pipeline through a damping hole, and a diaphragm rod fixing part is arranged in the first shell inner cavity space on the upper portion of the diaphragm and fixedly connected with the diaphragm; the diaphragm rod fixing part is further connected with a permanent magnet through a connecting rod, a first cavity is reserved in the first shell inner cavity in the upper portion of the permanent magnet, and an electromagnetic force assembly is arranged at the top of the first shell inner cavity; and the efficient gas pressure reducing device further comprises a circuit board, a circuit system used for controlling the electromagnetic force assembly is arranged in the circuit board, and the circuit system is electrically connected with the electromagnetic force assembly.
Owner:泰安福星汽车配件有限公司 +1
pressure kettle
ActiveCN106580079BSimple structureCompact structureCooking-vessel lids/coversWater-boiling vesselsWater dischargeControl engineering
Owner:GUANGDONG MIDEA CONSUMER ELECTRICS MFG CO LTD +1
Self-sealing refueling gun with oil vapor recovery and pressure relief function
ActiveCN103626112BTo achieve the purpose of decompressionPrevent burstLiquid transferring devicesPressure functionEngineering
The invention discloses a self-sealing type oiling gun with oil vapor recovery and pressure relief functions. According to the self-sealing type oiling gun, automatic pressure relief can be achieved by means of the generated high pressure when oiling is stopped in order to guarantee safety of equipment. The self-sealing type oiling gun comprises a gun body, a main valve and an ejector rod. The main valve comprises a valve clack, a first compression spring, a sealing gasket, a valve element, a second compression spring and a supporting portion. The valve element is formed by a head portion and a body portion, a sealing ring is arranged on the head portion, an accommodating cavity and a through hole are formed in the valve clack, and the accommodating cavity is communicated with the through hole. The body portion of the valve element penetrates through the through hole, the valve element is in slide fit with the valve clack, the head portion is contained in the accommodating cavity, one end of the second compression spring abuts against the valve clack, and the other end of the second compression spring abuts against the supporting portion. The supporting portion is arranged on the end portion of the valve element and enables the head portion to be tightly pressed on the cavity wall of the accommodating cavity by means of the second compression spring, the head portion is in seal fit with the valve clack through the sealing ring, and a pressure relief hole is formed in the valve clack.
Owner:WENZHOU ZHENGLING MACHINERY MFR
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