87 results about "Compression Pump" patented technology

A method to unload a fluid mixture from an underground production tubing, in order to reduce the hydrostatic pressure within the fluid mixture. A method to kill an oil or gas well by equalizing pressure between the production tubing, the casing annulus, and a surface tank battery, by de-pressurizing the fluid within the production tubing and the casing annulus, and by pumping a kill fluid. One goal of the methods may be to avoid discharging unwanted liquid phase or gas phase to the atmosphere, therefore reducing unnecessary emissions, and valuing the recovered products.

The invention discloses a hand sprayer with a labor-saving pressing mechanism, and relates to the technical field of manual spraying devices. A compression pump is in threaded connection with the interior of a liquid outlet hole formed in the right side of the top of a box body, a push rod is fixedly connected to one side of the compression pump, the water outlet end of the compression pump communicates with a spraying rod, a cover is in threaded connection with the interior of a liquid inlet hole formed in the left side of the top of the box body, and a labor-saving mechanism is arranged in a cavity formed in the bottom of the box body. And a stirring assembly is arranged at the top of the labor-saving mechanism. According to the invention, by arranging the compression pump, the labor-saving mechanism and the stirring assembly, the natural arm swinging action conforming to ergonomics is converted into pumping pressure power, so that labor-saving operation of spraying operation and automatic and uniform mixing of liquid medicine are realized.

A refrigerant compressor pump, a thermal management system, and a control method thereof are disclosed. The refrigerant compressor pump includes a housing, a motor, a compression component, and a gas-liquid separator. The housing has a refrigerant inlet and a refrigerant outlet. The refrigerant compressor pump has a separation chamber, a low-pressure chamber, and a high-pressure chamber, which are located inside the housing. The high-pressure chamber is connected to the refrigerant outlet. The motor is located in the low-pressure chamber and is connected to the separation chamber. The motor is connected to the compression component and can drive the compression component to operate. The refrigerant compressor pump has a compression chamber, and the compression component at least partially forms the chamber wall of the compression chamber. The compression chamber is connected to the high-pressure chamber. The gas-liquid separator is at least partially located in the separation chamber and is connected to the refrigerant inlet. The refrigerant compressor pump and the gas-liquid separator can share a housing, saving costs and reducing the risk of refrigerant leakage.

The gastric lavage equipment structurally comprises a main body shell, two filter flasks are arranged at the front end of the main body shell, the filter flasks are connected with a compression pump through guide pipes, the compression pump is connected with a liquid guide connector, and a control panel is arranged at the top of the outer side of the main body shell; a compression pump is arranged in the main body shell, a cooling fan aligned with the compression pump is installed at the rear end of the interior of the main body shell, a control module is further arranged at the rear end of the interior of the main body shell, and a cleaning integrated device is installed at the bottom end of the interior of the main body shell and comprises a cleaning cavity. Hot air is concentrated in the air outlet cover and is blown into the filter bottle at an inclined angle through the air outlet holes, the cleaned filter bottle is dried, the cleaned and dried filter bottle is stored in the cleaning cavity, and the filter bottle can be used as a standby filter bottle and can be used by a plurality of patients needing gastric lavage operations at the same time.

The utility model discloses a compression type atomizer damping structure, comprising, compression pump main part has one installation surface in bottom portion, and, installation base, compression pump main part is established in the installation cavity of installation base top surface through at least two soft glue spare, and each soft glue spare includes integrative first connecting portion and second connecting portion, and first connecting portion is connected in installation surface and is arranged vertically, second connecting portion is connected in installation base and is arranged horizontally, first connecting portion with second connecting portion makes compression pump main part can be transverse and vertical direction damping. The installation position of traditional compression pump main body is in the middle position, needs to use the support installation of larger volume, and the installation surface of compression pump main body is designed at the bottom in this application, and correspondingly, the installation base is equipped below the installation surface, and the installation surface is installed on the installation base through the soft glue spare, and the installation base is compared with the support, and the volume is greatly reduced, thereby reducing the occupied space.

The application discloses a compressor facilitating oil-gas separation, which comprises a shell, a compression pump, an oil storage cavity and an oil-gas separation assembly arranged in the shell, wherein the oil-gas separation assembly is located above the outlet of the compression pump, the oil-gas separation assembly comprises a circular separation net, the center of the circular separation net is protruded towards the side of the oil-gas movement direction, and the circular separation net is provided with separation holes; the center of the circular separation net is provided with a crankshaft, and the crankshaft can drive the circular separation net to rotate. The compressor facilitating oil-gas separation can quickly realize the output of high-pressure gas and effectively realize oil-gas separation, and the working efficiency of the compressor is improved.

A compression type atomizer comprises a shell, a compression pump assembly, a silencing box and a heat dissipation exhaust fan, a filtering air inlet is connected with an inlet of the compression pump assembly through a pipeline via the silencing box, and an outlet of the compression pump assembly is connected with an air outlet through a pipeline; the bottom of the compression pump assembly is connected with the inner bottom surface of the shell through a buffer pad, and the top of the compression pump assembly is in compression fit with the inner top surface of the shell through a damping layer; the left end and the right end of the shell are each provided with a heat dissipation air inlet so that the heat dissipation air inlets can be aligned with the two ends of the compression pump assembly. The heat dissipation exhaust fan is arranged on the front side or the rear side of the compression pump assembly, a heat dissipation air outlet is formed in the position, opposite to the heat dissipation exhaust fan, of the shell, and therefore a heat dissipation structure with air inlet at the two ends and air outlet at the side is formed.

The utility model relates to the technical field of valve module helium detection, in particular to a valve module helium detection tool structure which comprises a detection table, a machine frame is fixedly installed on the left side of the top end of the detection table, a lifting frame is movably installed at the upper end of the machine frame, and a lifting mechanism is arranged between the machine frame and the lifting frame. A compression pump is fixedly mounted on the right side of the upper end of the lifting frame, a gas storage bottle is fixedly mounted on the left side of the upper end of the lifting frame, and a detection mechanism is arranged on the right sides of the lifting frame and the detection table; and a recovery mechanism is arranged below the right side of the detection table. According to the utility model, through the arrangement of the recovery mechanism, residual helium in the valve module and the transparent cover can be pumped out after detection is completed, and the helium is recovered into the gas storage bottle through the corrugated pipe, so that the helium is recycled, the waste of the helium is effectively reduced, the detection cost is reduced, and the resource utilization rate is improved at the same time; the device is especially suitable for industrial production environments requiring frequent helium detection.

A method to unload a fluid mixture from an underground production tubing, in order to reduce the hydrostatic pressure within the fluid mixture. A method to kill an oil or gas well by equalizing pressure between the production tubing, the casing annulus, and a surface tank battery, by de-pressurizing the fluid within the production tubing and the casing annulus, and by pumping a kill fluid. One goal of the methods may be to avoid discharging unwanted liquid phase or gas phase to the atmosphere, therefore reducing unnecessary emissions, and valuing the recovered products.

The application relates to a control system of a compression pump, and relates to the technical field of pumps, which comprises a control module, the control module acquires current altitude data, and controls the rotating speed of a variable frequency motor according to the altitude data; the control module acquires current power, and calculates the running time T1 under the current rotating speed according to the current power; T1 and the should-run time T0 are compared, if T0>T1, a notification is given, and a response is waited for; after a preset time, if a response signal is not received, the rotating speed of the current variable frequency motor is reduced, and the time T1 is calculated until T1>=T0. The application has the advantages of noise reduction, energy saving, light weight and altitude self-adaptation by controlling the rotating speed of the motor, adopting carbon fiber material and air pressure detection and the like.

The present application relates to railway freight car experimental device technical field, specifically provide a kind of air compressor, including first mounting bracket, second mounting bracket, filter device, compression pump, copper pipe, pressure reducing valve, apparent pressure subassembly and drain filter, the second mounting bracket is set to the inside of the first mounting bracket, the inside of the second mounting bracket has first cavity, the compression pump is set in the first cavity, the lower end of the second mounting bracket and the inner bottom portion of the first mounting bracket form second cavity, the copper pipe is installed in the second cavity;Wherein, the structure is by the element in the first mounting bracket according to its external dimensions and structural features along three directions of two two verticals is arranged, can make full use of the space along the first direction, second direction and third direction inside the first mounting bracket, so that the element layout inside is more three-dimensional and compact, so that the external dimensions of the first mounting bracket is smaller, beneficial to miniaturization design, to reduce production cost in turn.

The utility model relates to the technical field of radiation protection and environmental protection, in particular to an automatic process tail gas field collection system. The device comprises a first mechanical pump, a first ionization chamber, a mass flow meter, a compression pump, a controller and a plurality of groups of tail gas bottles, each group of tail gas bottles is provided with a first shut-off valve, and a first pressure gauge is connected between each first shut-off valve and the corresponding tail gas bottle; all the first shut-off valves are gathered and then connected with a mass flow meter through a second shut-off valve, the mass flow meter is connected with a first ionization chamber, and the first ionization chamber is connected with a vacuum booster pump of a purification device through a first mechanical pump; wherein all the first shut-off valves are connected with a compression pump through a third shut-off valve after being gathered, and the compression pump is communicated with environment gas; and all the first shut-off valves are connected to a second pressure gauge after being gathered. The tritium waste gas collection device can realize grouped automatic tritium waste gas collection of multiple groups of tail gas bottles, and can monitor and record operation parameters in the collection process.

The present application belongs to the new technical field of integrated compressor and pump functions, and discloses a gas-liquid two-phase reverse driving vertical compression pump, which comprises a driving motor speed reducer, a three-throw five-support-point split crankshaft, a bearing connecting sleeve, an integral connecting rod, a reverse driving crosshead, a combined plunger, a pump body, an inlet and outlet gas-liquid two-phase combined valve, a bearing, a bearing cover, a bearing seat, a pump cover, a bearing gland and a sealing assembly; the driving motor speed reducer shaft is directly connected with the inner hole of the three-throw five-support-point split crankshaft to drive the three-throw five-support-point split crankshaft to rotate, and the rotation of the crankshaft is converted into the vertical reciprocating motion of the reverse driving crosshead through the integral connecting rod. The pump body and the machine body are designed in an integrated manner in the present application, so that the mold opening mold is reduced, the production is facilitated, the overall structure has high reliability, and the errors caused by assembly of the split body can be avoided; due to the coaxial arrangement of the inlet and outlet combined valve and the plunger, the pump body is clamped once, and the installation hole machining of the combined valve and the plunger is completed.

This invention discloses a refrigeration cycle method with liquid refrigerant compression, relating to the fields of refrigeration and gas liquefaction. The method includes a liquid tank, a liquid compression pump fixedly connected to one side of the liquid tank, and a main heat exchanger fixedly connected to the side of the liquid compression pump away from the liquid tank. The main heat exchanger is connected to an expander unit, a circulating gas compressor unit, and the liquid tank. The circulating gas compressor unit includes a circulating compressor and a circulating compression cooler. A cold box is provided outside the liquid tank, the liquid compression pump, the main heat exchanger, and the first and second expansion ends of the expander unit. This invention adds a liquid compression process to the refrigeration cycle, increasing the refrigerant pressure in both the liquid and gaseous states. Based on thermodynamics, a new refrigeration cycle method is created, reducing energy consumption during circulating compressed gaseous refrigerant, while simultaneously increasing energy recovery and utilization in multiple ways, improving the coefficient of performance (COP), and thus achieving the goal of reducing the total energy consumption of the refrigeration cycle.

The utility model relates to air compressor technical field discloses a low noise air compressor, including compressor body, the top of compressor body is provided with compression pump chamber, and the top of compression pump chamber is connected with air inlet pipe and air outlet pipe, make the air form spiral guide flow before entering compression pump chamber through setting up spiral air deflector and the structure of closed column, relieve the screeching noise caused by the sudden inrush airflow, through setting up the combination structure of expansion chamber, gather together chamber and perforated pipe in the air outlet end in proper order, form the exhaust path of " expansion - contraction - expansion", effectively slow down the sound wave impact in the high pressure air sudden release process, simultaneously, the flexible bellows and perforated plate cooperation sound absorbing material are embedded in the exhaust passage, realize multistage noise reduction, the rubber sheet is clamped for buffering connection vibration in the air filter chamber and air inlet pipe junction, sets up the rubber connecting seat in the bottom, further absorbs the structural vibration in the compressor operation.

The utility model discloses a spray drying device which comprises a wet material tank and a drying tower, the wet material tank and the drying tower are communicated through a wet material conveying pipe, a pneumatic stirrer, an exhaust pipe and an air inlet pipe are arranged on the wet material tank, the pneumatic stirrer comprises a driving mechanism and a stirring rod, and the spray drying device further comprises a gas compression pump and a heater. The gas compression pump is communicated with the heater through a pipeline, the gas compression pump is further provided with a power gas pipe, the power gas pipe is communicated with the pneumatic stirrer, the heater is communicated with the drying tower through a drying gas pipe, the drying gas pipe is further provided with a heating gas pipe, and the heating gas pipe is communicated with the gas inlet pipe. Original compressed gas and heating gas of equipment are utilized, a motor and heating equipment do not need to be additionally arranged, wet materials in the wet material tank can be stirred and heated, an existing heat source is fully utilized, and investment of the equipment is reduced.

The application discloses a kind of for automobile water pump sealing detection platform, including shell and pump body, the pump body includes water inlet and water outlet, the shell interior is equipped with water line, is equipped with detection instrument and movable assembly at the position close to the back of the shell interior, water line part uses conveying belt and carousel collaborative operation, conveying belt realizes the continuous linear conveying of pump body, carousel is limited by intermittent rotation and arc baffle, accurately transfers pump body to detection station and completes the automatic detection of qualified or unqualified product, forms completed flow operation, significantly reduces manual intervention, detection instrument realizes detection in combination with pneumatic seal and air pressure monitoring mode, plugging head is driven vertical compression pump body water inlet in screw rod mechanism in movable assembly, simultaneously, cylinder pushes the butt joint of communication head and water outlet, constructs closed detection environment, constant air pressure is injected using air pump and pressure change is monitored in real time by sensor.

The invention discloses an integrated air supply unit and an air suspension system. The integrated air supply unit comprises an ECU assembly, an installation support, an air spring air pipe connector, a valve block, a compression pump assembly, an air inlet and outlet connector, a throttling check valve, a pneumatic valve, a pressure sensor and a power limiting valve. Wherein the compression pump assembly integrates a motor, a dryer and a compression pump, cavities of the dual-cavity dryer and the compression pump are integrally designed on the same shell, the axes of the two cavities are distributed in parallel, the two cavities are installed on an installation face on one side of the valve block, and gas circuit sealing is achieved through an O-shaped ring. Besides, the air supply system comprises an air supply unit, an air storage tank, an air spring and an air filter, and various functions of lifting, descending, pressure detection and the like of the automobile suspension are achieved through different loop control, so that high integration of the air suspension system is achieved, occupied installation space is reduced, arrangement of the whole automobile is facilitated, and the service life of the automobile is prolonged. Meanwhile, the purposes of reducing cost, increasing efficiency and the like can be achieved.

The invention discloses a multifunctional air-ground dual-purpose agricultural unmanned airship, and relates to the technical field of multi-mode unmanned aerial vehicles, and the multifunctional air-ground dual-purpose agricultural unmanned airship comprises an unmanned vehicle, an unmanned aerial vehicle airship, a composite hanger mechanism and a pesticide spraying transmission mechanism; the unmanned aerial vehicle airship comprises an air bag, a high-pressure pesticide spraying nozzle, a ducted wing arm, a ducted engine, a compressed gas storage tank, an airship support rod, a multifunctional sensor, a compression pump, an airship main rack and a wing arm control motor, and the compressed gas storage tank and the compression pump are arranged on the airship main rack. The unmanned aerial vehicle airship is provided with the compression pump and the compressed gas storage tank, inflation or deflation can be carried out at any time, accurate control over the flight height is improved, each unmanned aerial vehicle airship is provided with the two ducted engines, self-sustaining of the unmanned aerial vehicle airship is completed, the course and the flight attitude can be conveniently and rapidly adjusted in the air, the flight speed is conveniently controlled, and the unmanned aerial vehicle airship is convenient to use. And compared with an existing airship, the airship is higher in controllability, and accurate operation can be completed.

The utility model provides a multi-mode paint spraying machine which relates to the technical field of paint spraying and comprises a supporting plate, the top of the supporting plate is fixedly connected with a stirring barrel, a ring groove is formed in the top of the stirring barrel and close to the inner side wall, a rotating ring plate is embedded into the ring groove and is in threaded connection with the rotating ring plate, and the rotating ring plate is fixedly connected with the supporting plate. And the top of the rotating ring plate is fixedly connected with a cover disc. According to the multi-mode coating spraying machine, the compression pump, the high-pressure pump and one of the spraying heads are the electrostatic spraying head, the multi-mode spraying effect of the coating spraying machine can be achieved, the effect of adjusting the spraying mode according to the actual situation can be achieved, the applicability of the spraying machine can be improved, and when the filter screen is blocked, the filter screen is not blocked. When the filter screen is used, the fixing rod can be held and the cover disc is rotated, the cover disc rotates to drive the rotating ring plate to be separated from the interior of the ring groove, the effect of conveniently taking out the filter screen from the interior of the stirring barrel can be achieved at the moment, and therefore the effect of cleaning and replacing the filter screen can be achieved.

A system (100) for muscle stimulation during a training session The system (100) includes a compression pump (120) to regulate blood flow to a target muscle by applying controlled pressure with predetermined movements). An electrical stimulation unit (130) transmits a plurality of electrical impulses causing the target 5 muscle to contract and relax. A plurality of sensors (140) captures a plurality of physiological parameters associated with the target muscle during the muscle contractions. A user interface module (180) allows a user to monitor intensity of the electrical stimulation unit, blood flow regulation pressure, and tension of the plurality of elastic bands. A receiving module (190) receives the plurality of physiological 10 parameters from the plurality of sensors. A calculation module (200) calculates an optimal repetition count required to achieve a predetermined percentage in the target muscle performance based on a plurality of parameters.

The application discloses a pressure container residual gas separation and purification equipment, which comprises an air inlet pipe, a booster pump, two treatment pipes, a steady flow assembly, a first flow equalization assembly, a second steady flow assembly, a second flow equalization assembly, a third steady flow assembly, a filter assembly, a moisture absorption assembly, an adsorption assembly, a molecular sieve assembly, a pipe combining device, a compression pump, a first washing tower unit, a first separator, a second washing tower unit, a second separator and a heat exchange unit. The application can remove the high-content impurities such as hydrogen sulfide, carbon dioxide and water vapor in the residual gas in the natural gas in the pressure container, separate and purify the natural gas, and realize repeated utilization.

This invention discloses a compressor and its control method, belonging to the field of compressor pump technology. The compressor includes an upper housing and a terminal assembly. The upper housing includes a flat portion and a connecting post. The terminal assembly includes a connecting seat, a temperature sensor, and a sealing gasket. The connecting seat has a mating hole, and the connecting post passes through the mating hole and positions the connecting seat on the upper housing. The temperature sensor is disposed on the connecting seat and has a temperature-sensing surface that contacts and mates with the flat portion for detecting the temperature of the upper housing. The sealing gasket includes a first support portion disposed between the connecting seat and the upper housing, surrounding the temperature sensor. According to the compressor of this embodiment, the flat portion mates with the temperature-sensing surface of the temperature sensor, which improves the detection accuracy of the temperature sensor.

The invention relates to the technical field of sewage treatment, in particular to a sewage treatment device based on vacuum evaporation, which comprises an evaporation box, a water supply pump, a compression pump, a water purification box, a water storage box, a water pumping pipe, a drainage head, a guide plate, a transmission box, a console, a circulating mechanism, an adjusting mechanism and a regulation and control mechanism. Heat of compressed purified water can be recycled from sewage through the circulating mechanism, the sewage flowing on the flow guide plate can be efficiently evaporated conveniently, part of devices can adjust the flowing area of the liquid curtain according to the sewage concentration through the adjusting mechanism, and therefore the evaporation time of the flowing liquid curtain is adjusted, and the evaporation efficiency is improved. Through the regulation and control mechanism, part of the device can regulate the thickness of the water outlet liquid curtain according to the sewage concentration, so that the circulating sewage can be conveniently concentrated to the preset concentration, and the high efficiency, the regulation and the regulation and control performance of the device are improved.

The invention discloses a multi-rotor compressor and refrigeration equipment, and relates to the technical field of liquid variable-capacity compression pumps, the compressor comprises a shell, a crankshaft, rotors and a built-in motor, the crankshaft is mounted in the shell through a magnetic suspension bearing, each rotor is mounted on the crankshaft, and the built-in motor is arranged in the shell and is in transmission connection with the crankshaft; each rotor is of a three-arc structure, and the outer contour line of each rotor is composed of three identical protruding arc faces and three sealing vertexes. A sealed compression cavity is arranged in the shell, and each rotor is eccentrically arranged in the sealed compression cavity; the rotors are uniformly distributed on the circumference around the central axis of the crankshaft; the crankshaft rotates to drive all the sealing vertexes to be in dynamic contact with the inner wall of the sealing compression cavity all the time, and three independent working air cavities with the volume changing periodically are formed between the three protruding cambered surfaces and the inner wall of the sealing compression cavity. According to the compressor, pulsation noise can be greatly reduced, the compression efficiency is improved, and the efficient, energy-saving and ultra-silence effects are achieved.

The utility model belongs to underground water well sampling technical field especially relates to a new type of air bag pump underground water sampling device, including the cluster pipeline cover, the inner wall of cluster pipeline cover is passed through and is provided with the water pipe, one side of water pipe is provided with the steel wire rope, one side of steel wire rope is provided with the air pipe, one side of air pipe is provided with the water level sensor signal line, one side of water level sensor signal line is provided with temperature sensor signal line, the bottom of steel wire rope is installed with the ear, through the compression pump of ground host computer provides the power, changes the air pressure of submersible pump main part inside cavity through the action of blowing and pumping, and then makes the air bag expansion and reduction, cooperates the water inlet check valve and the water outlet check valve, can realize the purpose of lifting underground water, the device function is comprehensive, the volume is small, all connections can be quickly plugged, the on -the -spot use is more convenient, has improved the work efficiency, and the submersible pump main part simple structure, maintenance convenient and no contact pollution.

The utility model provides a washing tower with an automatic backwashing device, which relates to the technical field of gas purification, comprises a tower body and a circulating water tank arranged at the bottom of the tower body in a penetrating manner, and is characterized in that a gas inlet pipe and a gas outlet pipe are respectively arranged on the side surface and the top of the tower body in a penetrating manner; a demisting layer is arranged above the gas inlet pipe in the tower body, the demisting layer is of a ring frame structure formed by vertically stacking, the upper layer and the lower layer in the demisting layer are filled with filler, and an outer ring pipe is embedded in the outer side of the middle of the demisting layer; an outer ring pipe structure used for flushing and washing is arranged in a demisting layer in the washing tower, and is matched with feeding of an automatically-controlled compression pump to flush a filler of the demisting layer when the washing tower is shut down, so that dust particles adhered to the surface of the demisting layer are removed, and blockage of the demisting layer during subsequent operation is avoided.

The invention provides multifunctional protective displacement equipment and application thereof. The multifunctional protective displacement equipment comprises a compression pump (1), a buffer tank A (2-1), a buffer tank B (2-2), a plunger pump (3), a gas mass flowmeter (4), a liquid injection pump (5), an annular pressure pump (6), a piston kettle (7), a coil pipe A (8-1), a coil pipe B (8-2), a rock core holder or a sand filling pipe (9), a drying oven (10), a window kettle (11), an electronic back pressure valve (12), a mechanical back pressure valve (13), a pneumatic back pressure valve (14) and a differential pressure gauge (15). An absolute pressure gauge (16), a gas-liquid separator (17), a protective cover (18) and pipe valves for connecting all the devices; the multifunctional protective displacement equipment can be applied to research on fluid flow and physical and chemical phenomena in porous media. Various tests can be realized on the same equipment, the equipment is prevented from being transformed when test fluid, test environment and test purposes are replaced, the universality of the equipment is improved, potential safety hazards caused by repeated transformation are avoided, and meanwhile, the equipment is safer.

The utility model relates to the technical field of compression pump installation, and discloses an anti-loosening compression pump which comprises a piston pump, a shaded pole motor is arranged on the left side wall of the piston pump, fixing columns are fixedly connected to the front side and the rear side of the top of the piston pump, and aluminum columns are fixedly connected to the interiors of the two fixing columns. Through the arrangement of the piston pump, the shaded pole motor and the aluminum column, the problem that the compression performance and the service life of the compression pump are affected due to the fact that a gap of a connecting part is increased can be solved, and the rigidity of the nylon pump body is increased by adding the aluminum column into the fixing column on the shell of the piston pump. The fixing column is arranged on the piston pump, so that the piston pump cannot be loosened due to frequent changes of high and low temperatures, the hole diameter of a bolt in the fixing column is increased by 2.5 mm, the aluminum column is embedded into the fixing column and a bolt hole of the piston pump, and then the piston pump and the shaded pole motor are locked, so that the overall stability of equipment is effectively ensured, normal operation of the equipment can be maintained, and the replacement frequency of the equipment is reduced.

This invention discloses a method for reducing piston cup wear. It operates on an air compressor pump with a motor capable of forward and reverse rotation. The pump's main control module controls the motor's direction of rotation and records this data. After the pump is powered on, the main control module controls the motor to rotate forward or backward based on the previously recorded rotation data. This invention utilizes the motor's reversing rotation to change the direction of the eccentric wheel, thus distributing the maximum frictional force generated at one point on the piston cup to two points, thereby extending the lifespan of the piston cup and consequently extending the service life of the pump body.