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1128 results about "Air dryer" patented technology

Compressed air dryers are special types of filter systems that are specifically designed to remove the water that is inherent in compressed air. The process of compressing air raises its temperature and concentrates atmospheric contaminants, primarily water vapor. Consequently, the compressed air is generally at an elevated temperature and 100% relative humidity. As the compressed air cools, water vapor condenses into the tank(s), pipes, hoses and tools that are downstream from the compressor. Water vapor is removed from compressed air to prevent condensation from occurring and to prevent moisture from interfering in sensitive industrial processes.

Level adjustment device for vehicles with air springs

Level adjustment device for vehicles with air springs 8a through 8d, by which a vehicle body is furnished with suspension on at least one vehicle axle, which includes the following:a source of compressed air 2, which, for the purpose of filling air springs 8a through 8d, can be connected to air springs 8a through 8d via an air dryer 4, the air dryer 4, for the purpose of filling the air springs, is connected on one side to air springs 8a through 8d through a check valve 6 that is open to air springs 8a through 8d, each air spring 8a through 8d, for the purpose of emptying them, can be connected through the air dryer 4 and through a pneumatically controlled first distribution valve 10 to the atmosphere, wherein the pneumatic control input 38 of this distribution valve 10 is then impinged through a second controllable distribution valve 12 with the pressure in air springs 8a through 8d against a restoring force 50 acting on the pneumatic control input 38, the pneumatic control input 38 of the pneumatically controlled first distribution valve 10, for the purpose of ending the emptying process, can be connected to the atmosphere, wherein the air dryer 4 is connected on the other side to air springs 8a through 8d through a pneumatically controlled third distribution valve 14, wherein the pneumatic control input 44 of this distribution valve is then impinged with the pressure of air springs 8a through 8d against a restoring force 52 acting on the pneumatic control input 44.
Owner:CONTINENTAL AG

Fully-three-dimensional simulated visualized displacement simulation experiment system of fractured-vuggy oil reservoir

The invention relates to a fully-three-dimensional simulated visualized displacement simulation experiment system of a fractured-vuggy oil reservoir. The fully-three-dimensional simulated visualized displacement simulation experiment system comprises trough, fractured-vuggy model, water injection, air injection, image acquisition and data acquisition simulation unit, a simulation oil groove and a three-phase separator. The trough simulation unit comprises a cubic trough, a glass pipe and a shaft. The fractured-vuggy model simulation unit comprises a cavern model and a crack model. The water injection simulation unit comprises a water injection tank and a water pump. The air injection simulation unit comprises an air compressor, an air storage tank, an emptying valve, a water draining filter and an air dryer. A particle forming test module of the image acquisition simulation unit is arranged on a sliding rod and installed on a support through the sliding rod. A pressure variator of the data acquisition simulation unit is installed at the connecting position of the shaft and the fractured-vuggy model simulation unit. The output end of the three-phase separator is respectively connected with the simulation oil groove and the water injection tank, and the input end of the three-phase separator is connected with the shaft. The fully-three-dimensional simulated visualized displacement simulation experiment system of the fractured-vuggy oil reservoir is simple and reasonable in structural design and capable of timely, intuitively and accurately monitoring a flow field and pressure change in a stratum.
Owner:SOUTHWEST PETROLEUM UNIV

System and method for cold recovery

A method of cold recovery in a cold compressed natural gas cycle, the method comprising: compressing air; drying air; heat exchanging air with cold compressed natural gas from a storage vessel, in a first heat exchanger, thereby forming cooled air; heat exchanging the cooled air with liquid methane, in a second heat exchanger, such that the cooled air becomes liquid air and the liquid methane becomes methane; heat exchanging the liquid air with natural gas from a pipeline, in a third heat exchanger, such that the natural gas cools to a cold compressed natural gas and the liquid air becomes air in a gaseous state; discharging the air in a gaseous state. A system of cold recovery comprising: an air dryer; an air compressor in fluid communication with the air dryer; a first heat exchanger in fluid communication with the air compressor; a second heat exchanger in fluid communication with the first heat exchanger; a third heat exchanger in fluid communication with the second heat exchanger; a methane expander valve in fluid communication with the second heat exchanger; a fourth heat exchanger in fluid communication with the methane expansion valve; a methane compressor in fluid communication with the second heat exchanger and with the fourth heat exchanger; a natural gas scrubber in fluid communication with a third heat exchanger; a natural gas pipeline in fluid communication with the first heat exchanger; the fourth heat exchanger, and the natural gas scrubber; and a storage vessel in fluid communication with the first heat exchanger, the third heat exchanger, and the fourth heat exchanger.
Owner:EXPANSION ENERGY

Automobile air dryer assembling and testing production line

The invention discloses an automobile air dryer assembling and testing production line. At present, assembly of most of automobile air dryers at home is in a scattered operation state and a testing method is a manual intermittent partial testing method; however, selection and matching of the conventional assembling and testing equipment are not reasonable enough and poor in coordination; and therefore, the assembling process of the automobile air dryer is poor in smoothness and low in assembling and testing efficiency. The automobile air dryer assembling and testing production line comprises a U-shaped workbench line body, wherein the U-shaped workbench line body comprises six assembling workstations, two testing workstations and an assembling and testing workstation, namely a first workstation, a second workstation, a third workstation, a fourth workstation, a fifth workstation, a sixth workstation, a seventh workstation, an eighth workstation and a ninth workstation sequentially; the adjacent workstations are related to each other through a material conveying belt. A shell of the assembled and tested air dryer is transferred among the workstations through the material conveying belts between the workstations, working procedures are continuous, and the workstations are related through the material conveying belts, so that the assembling pace is ensured and the manufacturing cost is reduced.
Owner:HANGZHOU WOLEI INTELLIGENT TECH

Hill-start control device under traveling and parking braking and using method thereof

ActiveCN102358273AStart to achieveStart withAutomatic initiationsRelay valveElectric control
The invention relates to a hill-start control device under traveling and parking braking and a using method thereof. In the invention, an air compressor is communicated with a hand braking reservoir and a feet braking reservoir through an air drier and a four-loop protective valve; the other end of the hand braking reservoir is communicated with a spring air chamber sequentially through a hand braking valve, a differential relay valve and a parking hill-start electromagnetic valve; the other end of the feet braking reservoir is communicated with the spring air chamber sequentially through a feet braking valve, an intermediate valve and a traveling hill-start electromagnetic valve; a parking air pressure sensor is arranged on an air path between the hand braking valve and the differential relay valve; a traveling air pressure sensor is arranged on an air path between the intermediate valve and the traveling hill-start electromagnetic valve; and the air pressure sensor and the hill-start electromagnetic valve are both connected with a whole electric control system circuit. The hill-start control device disclosed by the invention has the advantages of hill-start function under traveling and parking braking, stronger automaticity, higher sensitivity, strong controllability, wider application range and higher safety.
Owner:DONGFENG MOTOR CORP HUBEI

Dry ice cleaning system for electrical apparatus external insulation

The invention discloses a external-insulation dry-ice cleaning system for electrical equipment, which belongs to the technical field of the external-insulation dirt removal of electrical equipment of an electrical system. The external-insulation dry-ice cleaning system adopts the structure that a dry-ice particle spray nozzle (1), an insulating adjustable bracket (2), a dry-ice transmission insulating pipe (3), a dry-ice cleaning device (5), an air compressor (6) and an air dryer (7) are sequentially connected with each other front and back, wherein the dry-ice particle spray nozzle (1), the insulating adjustable bracket (2), an insulating bracket regulating lever pipe (4) and a bracket regulating power device (8) are sequentially connected with each other from front and back, a dry-ice making granulating machine (10) is connected with a liquid carbon dioxide storage tank (11), a dry-ice insulation can (12) is independent equipment, and an earthing base (9) is taken as a safe earthing pedestal of the external-insulation dry-ice cleaning system. The invention has high dirt removing efficiency, is suitable for the on-line cleaning of an insulating sleeve and an insulating mainstay or an erected transmission line insulator inside a transformer station, and is an effective measure for safely generating the electricity and ensuring the electricity supply.
Owner:WUHAN UNIV
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