38 results about "Air compressor" patented technology

According to the invention, an air compressor includes: one pair of air tanks arranged parallel to each other by being separated from each other in a constant interval, for storing thereinto compressed air; a compressing unit that compresses air sucked from an external space so as to supply the compressed air to the air tanks; and a motor coupled to the compressing unit so as to drive the compressing unit, while the motor and the compressing unit are arranged above the one pair of air tanks; wherein: a cooling fan that generates cooling wind is provided on one end of a rotation shaft of the motor; and a control circuit unit that drives the motor is arranged above the one pair of air tanks and at a position which is overlapped with an axial direction projection area of the cooling fan.

A loading dock leveler having: a base having an inward end; a deck with a top platform, the deck having an inward end hingedly mounted to the inward end of the base for movement between an upper position and a lower position; an on-demand air compressor with an electrically powered motor, the compressor having inlet in communication with a source of ambient air and a compressed air outlet; a pneumatic deck lift actuator pivotally connected to the base and to the deck for rotary movement between a raised position and a lowered position, the lift actuator having a lift chamber, and an inlet port in direct communication with the compressor outlet through an electric powered lift valve to the lift chamber, and having a vent valve in communication with the lift chamber; and an electric user control interface having: an electric up/down switch in communication with the motor to conduct electric power to the motor and open the lift valve in an up position, and to prevent conduction of electric power to the motor and open the vent valve in a down position; wherein the compressor, motor, lift valve; vent valve and lift actuator are disposed between the base and the deck.

The invention discloses a movable type wall coating spraying device. The movable type wall coating spraying device comprises a coating equipment box and a coating brush roll. A sealing diaphragm is welded to the interior of the coating equipment box, the interior of the coating equipment box is divided into an equipment installation chamber and a coating storage chamber by the sealing diaphragm, astirring shaft is installed in the coating storage chamber, a plurality of stirring rods are perpendicularly welded to the side face of the stirring shaft, and the upper end of the coating storage chamber communicates with a coating adding pipe; an air compressor is installed in the equipment installation chamber, the air compressor is connected with a coating rod through an air guiding pipeline,and the coating brush roll is installed on the front side of the coating rod; and the coating rod is connected with the output end of a coating pumping pump through a coating pumping pipe, and the input end of the coating pumping pump is connected with a coating suction pipe. According to the movable type wall coating spraying device, the structure is stable and firm, moving is convenient and rapid, it is ensured that the texture of coating in the coating storage chamber is even, layering or deposition of the coating is avoided, and the position of the coating brush roll can be conveniently adjusted; and even smearing of the coating is achieved, operation is convenient and rapid, and manpower and material resources are saved.

The invention discloses an aquaculture oxygenation system. The aquaculture oxygenation system comprises an air compressor used for supplying compressed air, an air storage tank used for storing the compressed air generated by the air compressor, an air supply main pipe connected to the air outlet end of the air storage tank, and a plurality of oxygenation devices located in pools used for aquaculture, and air supply branch pipes provided with pressure reducing valves are connected to pipe outlets of the air supply main pipe. Each oxygenation device comprises a top plate, side plates and a bottom support, wherein the side plates are arranged on the peripheral side of the top plate in a surrounding mode, oxygenation pipes are arranged at the bottom support in rows, and a guide port is formed in each side plate. The guide ports of all the oxygenation devices in the pools are distributed clockwise or counterclockwise. The peripheral lateral wall of each oxygenation pipe is provided with a plurality of micropores communicated with a pipe cavity of the oxygenation pipe. Each oxygenation device is connected with a pipe outlet in the corresponding air supply branch pipe through pipe openings of the corresponding oxygenation pipes. The aquaculture oxygenation system is stable in air supply and far in delivery distance, oxygenation can be realized without installing the oxygenation devices in all the pools, and the equipment is easy to install, low in energy consumption, low in usage cost and good in oxygenation effect.

The invention relates to deep layer seawater cooling sea breeze air-conditioning pipeline system. It belongs to refrigerating engineering field. It includes sea surface working platform, air sterilization, clearing machine unit, compressor unit, master valve, input pipeline, sector valve, heat exchanger sector valve, output pipeline, exit master valve, secondary booster pump system, city transforming pipeline air treatment device, air compressor, city pipeline distribution system, allocate node device, and user using unit. Its principle are cleaning air at sea surface; is pressurizing the sterilized air by air compressor; entering underwater heat exchanger to exchange heat; outputting; the output temperature is 10 centigrade degree; entering city pipeline distribution system; entering user using unit by allocate node device. The invention can fully utilize sea water and cleaning sea wind to realize no pollution and save resources, offer cleaning low temperature sea wind for land mass, and improve working and living environment. Thus it has obvious social and economic benefit.

An air amplifier apparatus and method for transferring or filling sand particles into a flask of a molding machine. A plurality of nozzles are each mounted with respect to the molding machine. A pressurized fluid, such as discharged from an air compressor or other pressure forming device, delivers pressurized fluid into each nozzle. The pressurized fluid flows through a passageway of each nozzle and can follow a Coanda profile as it accelerates the particles through the passageways. The accelerated particles are then discharged into a void formed by the flask of and pattern in the molding machine.

The invention aims to provide a multifunctional compound supercharging test system. The multifunctional compound supercharging test system comprises an air compressor, turbines, a combustion chamber, a motor and a dynamometer, wherein the air compressor comprises a first air compressor and a turbocharger air compressor; the turbines comprise a first turbine working together with the first air compressor and a turbocharger turbine working together with the turbocharger air compressor. Through reasonable valve control and testboard control, independent pneumatic performance test can be carried out on key components, a centrifugal compressor and the turbine, of a turbocharger, and matching test research can be conducted on a single-stage turbocharger and compound supercharging systems such as a two-stage turbo-charging system. The multifunctional compound supercharging test system can also achieve pneumatic characteristic tests of both a high-pressure supercharger centrifugal compressor and a high-pressure supercharger turbine for two-stage supercharging.

The invention relates to an intelligent robot gripper for a stacking system. The intelligent robot gripper for the stacking system comprises a supporting assembly, a gripping assembly and a power assembly, wherein the gripping assembly and the power assembly are fixed to the supporting assembly. The gripping assembly comprises four rows of gripping teeth. The gripping teeth comprise L-shaped fixing teeth and sealing assemblies arranged at the tops of the fixing teeth. Each sealing assembly comprises a cylindrical body, an annular rubber ring and two respiratory films. Strip-shaped cavities are formed in the bodies and communicated with an external air compressor via through holes formed in the fixing teeth. By the adoption of the intelligent robot gripper for the stacking system, through suction cup type fixed connection, bags can be freely gripped and fixed through the mechanical gripper; and glass fiber reinforced plastics is adopted as a main material, the overall weight can be effectively reduced, the bags can be effectively supported, and the gripping capacity and work efficiency are improved.

The invention discloses a vehicular air purifier, which comprises a body. The body comprises a casing, an air inlet, a filter membrane component, a dust box, a post-filter air passage, an air compressor, an air outlet, radiation holes and a base plate. The filter membrane component is connected with the air inlet which is arranged on the front side of the casing, the dust box is arranged right below the filter membrane component, the post-filter air passage is connected with the other side of the filter membrane component, the air compressor is connected to the other end of the post-filter air passage, an air supply passage is connected to an air supply port of the air compressor, the air outlet is arranged on the rear side of the casing, and the radiation holes are arranged on the left side, right side and rear side of the casing. The filter membrane component is a hollow fiber microporous membrane, so that dust, bacteria and microbes in the air can be effectively separated out to purify the air. Further, with the dust box, people can clean the vehicular air purifier conveniently.

The invention discloses an oil scraper ring, which comprises a circular body. An oil storage groove is formed in the upper end part of the body. The inner wall of the body is a scraping wall. The outer wall of the body is a retaining wall which is higher than the scraping wall. According to the scheme, the retaining wall is higher than the scraping wall, and when the oil scraper ring rotates along with a piston or a piston rod, lubricating oil in the oil storage groove can be prevented from being splashed from the oil storage groove under centrifugal force generated by rotation; and in addition, the bottom surface of the oil storage groove is an inclined surface, and the bottom surface close to the retaining wall is lower than the bottom surface close to the scraping wall, so that the center of gravity of the lubricating oil in the oil storage groove is close to the retaining wall, and the oil scraper ring difficultly rotates or rotates at low speed to favorably prevent the lubricating oil from being splashed from the oil storage groove. According to the scheme, scraped lubricating oil cannot flow out of the oil storage groove, so that the backflow of the lubricating oil is effectively prevented, and an oil leakage phenomenon is avoided to reduce the oil content of air in a piston type air compressor and ensure the purity of the air in the piston type air compressor.

A well mouth eccentric pressurizing sleeve oil recycling mobile device of a production well is mainly composed of an articulated vehicle, an oil receiving can, an oil receiving pipe, an air compressor, an oil discharge valve, a gas pipe, an eccentric hanging mechanism, an oil return pipe and a check valve, the well mouth eccentric pressurizing sleeve oil receiving mobile device is characterized in that a production three-way flange at an upper part of a production tree is designed to be the eccentric hanging mechanism composed of an inlet air pipe hanging hole, an inlet air pipe hanging head installed at middle part of the inlet air pipe hanging hole, a gasket installed at an upper-middle part, a gas pipe connector having the check valve at the upper part and a connection hole installed at one side of the inlet air pipe hanging hole and integrated with a production three-way connection and the oil pipe hanging hole; the inlet air pipe hanging head is connected with an inlet air pipe extending into the sleeve for 100-200m; the gas pipe connector having the check valve is connected with an outtake of the air compressor installed on the articulated vehicle, a sleeve gate is connectedwith the oil receiving can installed on the articulated vehicle by the oil receiving pipe and further connected with a pipe in the well mouth by the oil return pipe and the check valve, the sleeve oil is recycled by means of air lifting, and loss of the sleeve oil is prevented.

A pneumatic system operation control device for variable control of the rotation speed of an electric motor for driving an air-compressor such that constantly supplied pressure to a terminal device is achieved in accordance with a discharge pressure measurement value of the air-compressor and a supply pressure measurement value to the terminal device. The control device: stores the discharge pressure measurement value and the supply pressure measurement value; and, upon receiving input of an air pipe network model composed of data for calculating a flow of air in an air pipe network, calculates a flow rate of air supplied to the terminal device and an update value of a control setting value, and updates the control setting value to be used for variable control on the basis of the update value.

The invention relates to an oilless air compressor, in particular to an external heat dissipation portable oilless air compressor. The invention provides an external heat dissipation portable oil-free air compressor which is relatively simple in structure, relatively low in manufacturing cost of the oil-free air compressor and relatively high in heat dissipation effect. An external heat dissipation portable oilless air compressor comprises two supporting frames, an air compressor body, a filter element and the like, the air compressor body is installed between the tops of the two supporting frames, and the front side of the air compressor body is connected with the filter element in a clamped mode. The air purifier has the beneficial effects that dust in air can be filtered under the filtering action of the filter element, and the air compressor can compress the filtered air into the air tank to be stored; a worker can pull the grip to swing by hand, so that the driving plate can drive the first sliding frame and the piston to slide, the water tank can be pressurized, cooling liquid in the water tank can be sprayed on the surface of the oilless air compressor through the nozzle, and the purpose of cooling and heat dissipation of the oilless air compressor is achieved.

An air compressor having a pressure gauge, the pressure gauge contains: a hollow tube, a drive element, an anti-leak spring, a resilient element, and a cap. The hollow tube includes an accommodation chamber, a connector having a conduit, and a display unit. The drive element includes a protection unit, a first open segment, a second distal segment, a receiving portion, a hollow extension, and a protrusion. An anti-leak spring is received in the hollow extension of the drive element and abuts against the protrusion and the protection unit. The resilient element is received in the receiving portion. The cap includes a seat, a push bolt, and multiple passages. The accommodation chamber has a first fixing section and a second fixing section, a diameter of which is different from that of the first fixing section. The hollow tube further includes a tilted surround section and at least one discharge orifice.

The invention discloses an electric air compressor with a motor rotor cooling system. The electric air compressor comprises an impeller, an impeller back plate cover plate, a thrust bearing, a bearingcover and a motor which are sequentially arranged in the axial direction, an impeller air inlet hole is formed in the impeller, a back plate cover plate cooling hole is formed in the impeller back plate cover plate, a thrust bearing cooling hole and a bearing cover cooling hole are formed in the thrust bearing and the bearing cover respectively, air passes through holes in the impeller, the impeller back plate cover plate, the bearing and the bearing cover to reach between the motor rotor and a motor stator, and finally is discharged from a motor rear end cover. The electric air compressor effectively cools the motor rotor and does not need to be provided with an additional cooling device, so that the manufacturing cost and the use cost are reduced, and the assembly space is saved.

The invention relates to the technical field of environmental protection equipment and discloses an environment-friendly wheat seed pre-stirring and dedusting device. The device comprises a stirring box and a dedusting box, wherein a triangular support is fixedly connected with the top of the stirring box, a motor is fixedly connected with one side of the triangular support, an output shaft of themotor is fixedly connected with a rotating shaft through a coupling, and the bottom of the rotating shaft penetrates and extends into the stirring box. According to the environment-friendly wheat seed pre-stirring and dedusting device, flying dust is sucked by a suction fan and discharged into the dedusting box through a dust suction pipe during pre-stirring of wheat seeds, dust in large particlesize or large proportion is settled under the action of gravity, fine dust is intercepted when passing through a dust collecting bag, the dust is enabled to fall off under blowing of a pulse air compressor, the dedusting effect is realized, the dust is prevented from flying around and polluting the environment, physical and psychological health of people is guaranteed, and the environmental protection effect is realized.

The invention discloses an oil and water phase material gas delivery apparatus and a technology thereof. The apparatus comprises a water phase sealed reaction kettle, an oil phase sealed reaction kettle, air compressors, an oil phase intermediate tank, a water phase intermediate tank, an oil phase storage tank, a water phase storage tank, a static emulsifier, a static sensitization disperser, a filling device and a control terminal, the air compressors comprise a water phase air compressor and an oil phase air compressor, the inner cylinders of the water phase sealed reaction kettle and the oil phase sealed reaction kettle are made of a pressure resistant material, the static emulsifier, the static sensitization disperser, the filling device, the oil phase storage tank, the water phase storage tank, the water phase sealed reaction kettle, the oil phase sealed reaction kettle, the water phase air compressor and the oil phase air compressor are connected with the control terminal, and compressed air with the pressure of 0.2-0.3 MPa flows in a circulating pipeline. The apparatus has the advantages of simplicity and convenience in operation, control of the working conditions of all devices through the control terminal, high automation degree, good sealing property, almost no liquid residual in the delivery process, and good use effect.

The invention discloses a low-noise magnetic-suspension centrifugal air compressor which comprises a pedestal, a noise reduction casing, a centrifugal air compressor body and damping legs. The centrifugal air compressor body is installed on the upper surface of the pedestal via bolts, the centrifugal air compressor body internally provided with a driving cavity and a compression cavity along the axial direction successively, the inner wall of the driving cavity is provided with a stator, a rotating shaft is arranged in the driving cavity, and the rotating shaft is provided with a rotor in a position in the driving cavity. A bearing in a traditional centrifugal air compressor is replaced by a magnetic suspension bearing, the noise generated by the centrifugal air compressor body during workis lower, the noise reduction casing is added to the outer side of the centrifugal air compressor body on the pedestal to further absorb noise generated by the centrifugal air compressor body duringwork, and noise reduction holes with the Z-shaped cross sections are arranged in the noise reduction casing to ensure a better noise reduction effect of the casing.

The invention discloses a movable-type observatory meteorology observation container. The container comprises a main box body. A three-point fixing seat used for fixing an astronomical telescope is arranged in the main box body. The main box body is provided with a cylinder push rod type overturn cover. An air compressor used for providing air for an overturn cover cylinder is arranged in the main box body. The main box body is provided with a built-in overhauling wicket. An inner wall of the main box body wraps a thermal insulation rock wool sandwich panel. The main box body is also provided with a warmer and an air conditioner. By using the movable-type observatory meteorology observation container, the structure is reasonable; moving is convenient and meteorology observation applicability is high.

The invention relates to an oil-free double-rotor heat dissipation type air compressor. The existing air compressor often has the problem of poor heat dissipation in the using process. The internal parts of the air compressor can be seriously damaged as the working temperature of the air compressor is too high, thus the working efficiency of the air compressor can be reduced, and some potential safety hazards can be brought. According to the oil-free double-rotor heat dissipation type air compressor, a top support is fixedly provided with an air cooler, and a motor support is fixedly connectedwith one side of the bottom of a direct connecting motor base; one side of a motor is fixedly connected with one side of the direct connecting motor base, and one side of the top of a cork bottom isfixedly connected with a machine head bracket; a first-level cylinder is fixedly connected with a second-level cylinder, and a motor rotating shaft is connected with a spindle in the first-level cylinder and the second-level cylinder through a shaft coupler; one side of a heat dissipation support is fixedly connected with a water radiator, and the other side of the heat dissipation support is fixedly connected with a water pump bracket; and the water pump bracket is fixedly connected with a water pump. The air compressor has the advantages of good heat dissipation, good noise and dust resistance and long service life.

The invention discloses a liquid pump type air compressor which comprises a first compressed air tank, a second compressed air tank and a driving device, wherein a one-way valve is arranged on a first air inlet of the first compressed air tank; another one-way valve is arranged on a first air outlet of the first compressed air tank; another one-way valve is arranged on a second air inlet of the second compressed air tank; another one-way valve is arranged on a second air outlet of the second compressed air tank; a first liquid inlet of the first compressed air tank and a second liquid inlet of the second compressed air tank are respectively connected with the driving device. As two compressed air tanks are provided, and the air inlets and the air outlets of the two compressed air tanks are provided with one-way valves, the driving device is enabled to repeatedly extrude liquids in the two compressed air tanks, and then air in the two compressed air tanks can be alternatively compressed; as the liquids for compression are always in sealed environments, a circulation system can be formed, and the compressor is good in sealing property and high in compression efficiency; moreover due to formation of the circulation system of the two compressed air tanks, other water storage equipment is not needed, and thus the compressor can be relatively simple in structure; as water can be used as a compression medium, clean compressed air can be produced.

The invention discloses a purifier for machining and welding of an air compressor. The purifier for machining and welding of the air compressor comprises a purifying box, a purifying filter cartridge,a fan and an air manifold, wherein the purifying filter cartridge is fixed on the inner wall of the upper end of the purifying box through a hanger; the fan is mounted at the lower end of the insideof the purifying box; the air manifold is arranged on one side of the fan and one side of the purifying filter cartridge; the top surface of the purifying box is rotatably connected with an air suction arm through a connecting ring; a dust collecting cover is fixedly arranged at the lower end of the air suction arm; a fixing plate is further fixedly arranged on the top surface of the purifying box; a circle of annular sliding track is further arranged at the outer edge of the top surface of the fixing plate; the annular sliding track is slidably connected with a slider; a stand column is fixedly arranged on the slider; a U-shaped fixing seat is fixedly arranged at the upper end of the stand column; the outer side of the air suction arm is further fixedly connected with a fixing ring in a sleeving manner; and the fixing ring can be in clamped connection to the U-shaped fixing seat. The problems that if an air suction arm of an existing welding purifier is bent extensively, unsmooth ventilation is easily caused, and the using effect is affected are solved.

The invention discloses a dryer for refuse treatment. The dryer comprises a shell and a heat pump system used for raising the temperature inside the shell. A feeding hopper is arranged at the top of the shell. A first conveying belt is arranged below a bottom opening, inside the shell, of the feeding hopper, and the two ends of the first conveying belt are arranged on a left driving wheel and a right driving wheel in a sleeving mode respectively. A second conveying belt is arranged at the position, below the first conveying belt, inside the shell, and the two ends of the second conveying belt are arranged on another left driving wheel and another right driving wheel in a sleeving mode respectively. A gear motor is installed on the lower portion of the shell and drives the first conveying belt to move through a transmission belt, an output shaft of the gear motor is sleeved with a driving gear, and a driven gear is fixedly installed on the left driving wheel sleeved with the second conveying belt. The heat pump system comprises a closed refrigerant pipeline, and an air compressor, a gas and liquid separator, an evaporator, a throttling valve and a condenser are connected to the refrigerant pipeline. The dryer saves energy and is large in drying capacity, small in occupied area and convenient to apply and popularize.