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Air compressor

一种空气压缩机、压缩机的技术，应用在机械设备、机器/发动机、液体燃料发动机等方向，能够解决分离器内部压力没有充分降低、起动迟滞等问题

Active Publication Date: 2016-10-26
HITACHI IND EQUIP SYST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Here, when the time from the stop of the main body of the compressor to the restart is short, the internal pressure of the separator is not sufficiently lowered, causing a start-up hysteresis due to its residual stress

Method used

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Experimental program
Comparison scheme
Effect test

no. 1 approach

[0028] figure 1 It is a schematic diagram showing the structure of the oil supply type air compressor of this embodiment. In addition, the figure 1 The dotted line part in represents electric wiring. figure 2 and image 3 is a cross-sectional view showing the structure of the air pressure-operated exhaust valve of the present embodiment, figure 2 Indicates the fully open state, image 3 Indicates the fully closed state.

[0029] The air compressor includes: a compressor main body 1 for compressing air; a motor 2 for driving the compressor main body 1; a pneumatically operated suction throttle valve 3 arranged on the suction side of the compressor main body 1; An intake filter (not shown) on the upstream side of the flow valve 3 ; and a separator 4 provided on the discharge side of the compressor main body 1 .

[0030] The suction throttle valve 3 has: a valve body 6 with an opening and closing valve seat 5; a piston 7 connected to the valve body 6; figure 1 The spring...

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PUM

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Abstract

Provided is an air compressor capable of improving energy conservation. The provided air compressor is equipped with: an air compressor body (1) for compressing air by taking oil into a compression chamber; an air-pressure-operation-type suction throttle valve (3) provided on the intake side of the compressor body (1); a separator (4) for separating compressed air discharged from the compressor body (1) and a fluid contained therein from one another, and provided on the discharge side of the compressor body (1); a compressed-air system (11) for supplying compressed air separated by the separator (4) to the supply end; an air-discharge system (14) connected to the primary side of a check valve (12) of the compressed-air system (11); an air-pressure-operation-type air-discharge valve (16) provided in the air-discharge system (14); and an air-pressure operation circuit (10) having an electromagnetic-operation-type three-way valve (28).

Description

technical field [0001] The present invention relates to a liquid supply type air compressor, in particular to an air compressor with a suction throttle valve and a discharge valve. Background technique [0002] For example, an oil-supply type screw compression mechanism, which is a kind of liquid-supply air compressor, includes a compressor main body having a pair of male and female screw rotors, and the cooling of compression heat, the improvement of the sealing performance of the compression chamber, and the screw rotor Oil is injected into the compression chamber for the purpose of lubrication etc. Compressed air compressed to a predetermined pressure in the compression chamber of the compressor body is discharged in a state mixed with oil, separated from the oil by a separator, and supplied to the user's use site through the compressed air system. The separated oil is temporarily stored in the lower part of the separator, and then is supplied to the compressor main body...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B49/08F04C29/12
CPCF04C28/06F04B39/10F04C18/16F04C28/24F04C28/28F04C29/0007F04C29/026F04C29/124F04C2210/1005F04C2240/30
Inventor 大城龙亮
Owner HITACHI IND EQUIP SYST CO LTD