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

34results about How to "Reduce oil intake" patented technology

Device and method for improving running reliability of compressor

The invention relates to the field of air conditioner control, in particular to a device and method for improving running reliability of a compressor. The device comprises a controller, the compressor, a four-way valve, an outdoor air cooling heat exchanger, a first outdoor unit stop valve, a second outdoor unit stop valve, a first heat exchanger and a detection device. The detection device acquires the discharge superheat degree; the controller adjusts the opening degree of a flow adjusting valve connected with the first heat exchanger according to the discharge superheat degree, and therefore the flow of gaseous refrigerant entering the first heat exchanger is controlled, the superheat degree of return air is improved, and the discharge superheat degree of the gaseous refrigerant discharged out of the compressor is made to meet requirements. According to the device and method, the liquid / gaseous refrigerant flowing to the compressor can be heated, and the discharge superheat degree of the gaseous refrigerant discharged out of the compressor is made to meet the requirements, so that the stable discharge superheat degree of an air conditioner can be kept at any environment temperature; therefore, the long-time running stability and reliability of the air conditioner are enhanced.
Owner:GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1

Quick-release valve for charging liquid

The invention discloses a quick-unloading valve, in particular to a large-caliber liquid filling quick-unloading valve from a large tonnage oil cylinder on a plastic or rubber plastic foam forming machine, for shoe soles, foaming rubber floor, heat insulation sheets, suitcase lining, diving suit material and life jacket material, which comprises a valve body; wherein, a valve cap is arranged on an upper end of the valve body and a center bore and a pressure relief hole are disposed on the valve cap. A valve core is positioned in the valve body and a valve rod is arranged on the upper end of the valve core; a lower end of a valve rod is connected with the valve core and the upper end passes through the center hole of the valve cap and then extends out on the valve cap. An oil outlet is disposed on a side wall in the central section of the valve body, an oil inlet and a high pressure oil inlet are positioned on the side wall of a lower part of the valve body and the diameter of the oil inlet is shorter than the diameters of the oil outlet and the high pressure oil inlet. The quick-unloading valve is characterized in that a spring is sleeved on an extending section of the valve rod, a locknut is arranged on an outer end of the valve rod and an upper end and a lower end of the spring are propped against the locknut and the valve cap respectively. By adopting the large-caliber liquid filling quick-unloading valve for the oil cylinder of the foaming machine, the energy can be saved and the production cost can be reduced.
Owner:王荣伟

Automobile shock absorber

The invention discloses an automobile shock absorber. The automobile shock absorber comprises a buffer connected with an automobile adapter, wherein the buffer comprises a buffer housing; the buffer housing is provided with a piston cavity; a buffering piston shaft is mounted in the piston cavity in a sliding manner; a damping cylinder is arranged in the piston cavity; a reset spring is arranged in the damping cylinder; a lubricating oil inlet channel is formed in the buffer housing; an oil storage tank is formed in one side located on the lubricating oil inlet channel, of the buffer housing; a plurality of through holes are formed in the damping cylinder; the through holes communicate with the piston cavity and the oil storage tank; a lubricating oil discharging channel is formed in one side, away from the lubricating oil inlet channel, of the buffer housing; and damping channels which are respectively formed in two sides of the piston and communicate with the buffering piston shaft are arranged on the piston of the buffering piston shaft. According to the shock absorber disclosed by the invention, through unique structural design, multiple beneficial effects are archived, so that the shock absorber has good application prospects and latent industrial productive capacity in the automobile manufacturing field and the shock absorber field.
Owner:窦贵昊

Heat dissipation control valve and heat dissipation system

The invention relates to a heat dissipation control valve and a heat dissipation system, the heat dissipation control valve comprises a valve body and a valve rod, the valve body is provided with a valve cavity, a main oil inlet channel, a first working channel, a second working channel and an oil return channel, and the valve rod is movably arranged in the valve cavity to control the main oil inlet channel to communicate with the first working channel or the second working channel through the valve cavity. When the main oil inlet channel communicates with the first working channel, the heat dissipation control valve can drive the hydraulic motor to drive the fan to rotate clockwise, and when the main oil inlet channel communicates with the second working channel, the heat dissipation control valve can drive the hydraulic motor to drive the fan to rotate anticlockwise. The valve body is further provided with an overflow channel capable of being communicated with the main oil inlet channel and the oil return channel, the heat dissipation control valve further comprises an overflow valve, and the overflow valve is arranged on the overflow channel to control on-off of the overflow channel. According to the heat dissipation control valve and the heat dissipation system, the problem that a large amount of dust is accumulated on blades of the fan and even other parts of the heat dissipation system due to long-time working of the fan is solved.
Owner:ZHEJIANG HAIHONG HYDRAULIC TECH

Continuously variable transmission, vehicle and brake control method thereof

The invention discloses a continuously variable transmission, a vehicle and a brake control method.The continuously variable transmission comprises a driving transmission surface and a driven transmission surface, the driving transmission surface comprises a first driving transmission area and a second driving transmission area, and the surface roughness of the first driving transmission area is different from that of the second driving transmission area; the driven transmission face comprises a first driven transmission area and a second driven transmission area, and the surface roughness of the first driven transmission area is different from that of the second driven transmission area. When the vehicle is in a downhill working condition, along with downhill of the vehicle, the driven wheel reversely drives the driving wheel, so that the gap between the driving wheel movable disc and the driving wheel fixed disc at the driving wheel is smaller than the width of the transmission belt, the transmission belt is extruded to be located in the first driving transmission area, and large friction force exists between the driving wheel and the transmission belt; rotation of the driven wheel is limited, operation of the gear box connected with the driven wheel is limited, the gear box is connected with the wheel through a ball cage and the like, and therefore the downhill braking function is achieved.
Owner:ZHEJIANG CFMOTO POWER CO LTD

Energy-saving type hydraulic pressure-shear testing machine

The invention relates to an energy-saving type hydraulic pressure-shear testing machine. The energy-saving type hydraulic pressure-shear testing machine comprises a vertical load mechanism and a horizontal load mechanism, the horizontal load mechanism comprises a shear plate and a horizontal force load cylinder outputting a horizontalforceto the shear plate, the vertical loading mechanism comprises a lower press plate matched with the shear plate in use and a vertical force load cylinder outputting a vertical force to the lower press plate, the pressure and shear testing machine with dual hydraulic power further comprises an oil supply system supplying oil for the horizontal force load cylinder and the vertical force load cylinder, the oil supply system comprises an oil tank, a horizontalforce load cylinder oil supply channel and a vertical force load cylinder oil supply channel, and the horizontal force load cylinder oil supply channel and the vertical force load cylinder oil supplychannel are provided with overflow valves, and both comprise hydraulic pumps and flow regulating valves arranged on the upper stream of the hydraulic pumps.The invention provides the energy-saving type hydraulic pressure-shear testing machine capable of lowering oil energy loss.
Owner:HENAN VOCATIONAL & TECHN COLLEGE OF COMM +1

A common rail fuel injector based on two-position three-way principle

The invention relates to a common rail fuel injector with two-position three-way principle, which includes a fuel injector body, a fuel injection nozzle assembly, a control piston, a control valve, a nozzle tight cap, a return spring and an electromagnet; The parts are composed of a needle valve and a needle valve body; the needle valve body is connected with the injector body through the oil nozzle tight cap to realize fastening and sealing; the needle valve is connected with the control piston; Two-position three-way valve consists of an upper valve body, a lower valve body and a sealing ball, the lower valve body is arranged with an oil inlet hole, and the upper valve body and the armature connecting rod of the sealing ball cooperate with each other to form an oil outlet hole; The control valve seals the oil inlet hole during the injection process; the solenoid drives the control valve to complete the injection process of the injector. The invention effectively solves the problems in the prior art that the oil return volume of the injector during the injection process is too large, the response of the needle valve movement is poor, the opening and closing speed of the needle valve is slow, and the pressure fluctuation of multiple injections is relatively large. big and other issues.
Owner:SHANGHAI UNIV OF ENG SCI

Compound type pressurizing oil cylinder

The invention provides a compound type pressurizing oil cylinder. The compound type pressurizing oil cylinder comprises a piston rod assembly, the piston rod assembly comprises an inner rod and an external piston rod arranged on the inner rod in a sleeving mode, medium-pressure oil enters a medium-pressure oil port and enters a medium-pressure oil cavity through a medium-pressure oil way passageway formed by the axis of the inner rod, and then the external piston rod is pushed to advance by a first preset stroke. After the first preset stroke is completed, high-pressure oil enters a high-pressure oil cavity through a high-pressure oil port, directly acts on a piston and pushes the piston to advance, and therefore the external piston rod continues to advance by a second preset stroke; and meanwhile, the medium-pressure oil cavity keeps continuous input of medium-pressure oil, and the die assembly pressure is medium pressure plus high pressure. After die assembly is completed, the process is switched to oil return, medium pressure and high pressure are cut off, back-pressure oil is provided for a back-pressure oil port, and therefore resetting, namely descending resetting of the oilcylinder, of the first preset stroke and the second preset stroke is achieved. The compound pressurizing oil cylinder has the effects of reducing energy consumption, improving the stability of the oilcylinder, reducing the pressure of the oil cylinder in a high-pressure state and the like.
Owner:GUANGZHOU JEEPINE INTELLIGENT COMPRESSION MOLDING MACHINE CO LTD

Sealing wear-resisting bearing

The invention discloses a sealing wear-resisting bearing which comprises a bearing box, a transmission shaft, a bearing, a bearing cover and a sealing cover. The transmission shaft is arranged in the bearing box, one end of the transmission shaft is fixed to the bearing, and the other end of the transmission shaft is arranged in the sealing cover. The sealing cover is fixedly arranged at one end of the bearing box. The bearing is used for fixing the transmission shaft and arranged in the bearing cover. A sealing ring is arranged at the matched position of the bearing cover and the bearing. An oil guide groove is formed between the bearing cover and the bearing. A wear-resisting ring is arranged between the transmission shaft and the bearing. According to the scheme, the sealing ring is arranged at the matched position of the bearing cover and the bearing, the oil guide groove is formed between the bearing cover and the bearing, the transmission shaft is fixed by the bearing and the bearing cover, so that the oil inlet amount of the transmission shaft is reduced, oil pressure is lowered, the sealing effect is improved, and the sealing effect of the bearing is guaranteed; and through design of the wear-resisting ring, friction between the transmission shaft and the bearing slows down, and the service life is prolonged.
Owner:SUZHOU SONGSHUN HARDWARE

Sealing bearing

The invention discloses a sealing bearing which comprise a bearing box, a transmission shaft, a bearing body, a bearing cover and a sealing cover. The transmission shaft is installed in the bearing box. One end of the transmission shaft is fixed to the bearing body, and the other end of the transmission shaft is installed in the sealing cover. The sealing cover is fixedly installed at one end of the bearing box. The bearing body is used for fixing the transmission shaft and is installed in the bearing cover. A sealing ring is arranged at the matched part of the bearing cover and the bearing body. An oil guide groove is formed between the bearing cover and the bearing body. According to the scheme, the transmission shaft is installed in the bearing box, one end of the transmission shaft is fixed to the bearing body, the other end of the transmission shaft is installed in the sealing cover, and therefore overall sealing of the bearing box is well achieved; and the sealing cover is fixedly installed at one end of the bearing box, the bearing body is used for fixing the transmission shaft and is installed in the bearing cover, the sealing ring is arranged at the matched part of the bearing cover and the bearing body, the oil guide groove is formed between the bearing cover and the bearing body, the transmission shaft is fixed through the bearing and the bearing cover, so that the oil inlet amount of the transmission shaft is reduced, the oil pressure is reduced, the sealing effect is improved, and the sealing effect of the bearing is ensured.
Owner:SUZHOU SONGSHUN HARDWARE

A device and method for improving compressor operation reliability

The invention relates to the field of air conditioning control, in particular to a device and method for improving the operating reliability of a compressor. Including controller, compressor, four-way valve, outdoor air-cooled heat exchanger, first outdoor unit cut-off valve, second outdoor unit stop valve, first heat exchanger and detection device, the detection device obtains the exhaust superheat and controls The controller adjusts the opening degree of the flow regulating valve connected to the first heat exchanger according to the degree of superheat of the exhaust gas, thereby controlling the flow rate of the gaseous refrigerant entering the first heat exchanger, increasing the degree of superheat of the return air, and making the flow rate of the gaseous refrigerant discharged from the compressor Exhaust superheat meets requirements. The device and method of the present invention can heat the liquid / gas low-temperature refrigerant flowing to the compressor, so that the superheat degree of the gaseous refrigerant discharged from the compressor can meet the requirements, so that the air conditioner can maintain a stable discharge regardless of the ambient temperature. Air superheat, thereby enhancing the stability and reliability of the long-term operation of the air conditioner.
Owner:GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1

Hydraulic system control method and hydraulic system for compression garbage truck

The invention relates to a hydraulic system control method for a compressed garbage truck, comprising the following steps: a hydraulic oil tank supplies oil to a slide cylinder and / or a scraper cylinder, and drives a piston rod of the slide cylinder and / or scraper cylinder to move; a position sensor Detect the moving position of the piston rod of the slide cylinder and / or the scraper cylinder; in the first stage, when the piston rod of the slide cylinder and / or the scraper cylinder moves from the initial position to the X1 position, the slide cylinder and / or the scraper cylinder The oil supply volume of the board cylinder is the first preset value; in the second stage, when the piston rod of the slide cylinder and / or scraper cylinder moves from the X1 position to the X2 position, the oil supply of the slide cylinder and / or scraper cylinder The amount of oil supplied is the second preset value; in the third stage, when the piston rod of the slide cylinder and / or scraper cylinder moves from the X2 position to the end position, the oil supply to the slide cylinder and / or scraper cylinder is the first Three preset values. The invention can realize the operation performance that can take into account both high-efficiency operation and low noise.
Owner:FUJIAN LONGMA ENVIRONMENTAL SANITATION EQUIP

Telescopic supporting leg and application thereof

The invention relates to a telescopic supporting leg comprising a supporting leg box, a supporting leg, a first-stage supporting leg box telescopic oil cylinder, a first-stage supporting leg telescopic oil cylinder and a supporting leg box roller structure, wherein the supporting leg is embedded in the supporting leg box. The telescopic supporting leg is characterized in that the first-stage supporting leg box telescopic oil cylinder is arranged outside the supporting leg box, wherein one end of the first-stage supporting leg box telescopic oil cylinder is connected with a supporting leg box side plate support and the other end thereof is connected with a support arranged on an oil tank structure; the first-stage supporting leg telescopic oil cylinder is arranged inside the supporting leg, wherein one end of the first-stage supporting leg telescopic oil cylinder is connected with a support arranged on the supporting leg box and the other end thereof is connected with a support arranged on the supporting leg; and the supporting leg box roller structure comprises two lower supporting leg box roller structures, an upper supporting leg box roller structure and a side supporting leg box roller structure, wherein the two lower supporting leg box roller structures are arranged on the oil tank structure, the upper supporting leg box roller structure is arranged at the upper part of the supporting leg box, and the side supporting leg box roller structure is arranged on a supporting leg box side plate relative to the opposite side of the supporting leg box telescopic oil cylinder. Through the invention, the structure of the telescopic leg is simple, and abrasion among hydraulic pipelines and faults of the telescopic supporting leg are reduced; the telescopic action of the supporting leg is rapid so that the working efficiency is increased; and the supporting leg telescopic oil cylinder is low in price, and the telescopic supporting leg is convenient to mount and repair.
Owner:上海汽车改装厂有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products