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Multistaging gas compression device

A technology of gas compression and gas compressor, which is applied in the direction of pump devices, multi-stage pumps, liquid displacement machinery, etc., and can solve the problems of shortening lifespan

Inactive Publication Date: 2008-11-19
ANEST IWATA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Parts used for the crankshaft, such as bearings, will be subjected to more loads, thus reducing life

Method used

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  • Multistaging gas compression device
  • Multistaging gas compression device

Examples

Experimental program
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Embodiment Construction

[0011] Fig. 1 is a booster compressor used in one embodiment of a multi-stage gas compression device according to the present invention.

[0012] In Fig. 1, a booster compressor 1 in this invention comprises: a hermetically sealed crankcase 2; a cylinder 3 on the crankcase 2; a suction chamber 5 with an inlet 4; a discharge chamber 7 with an outlet 6, which It is separated from the suction chamber 5 by a wall 8 .

[0013] The suction chamber 5 and the discharge chamber 7 communicate with the cylinder 3 through a suction port 9 and a discharge port 10, respectively.

The suction port 9 and the discharge port 10 have control valves 11 and 12, respectively.

[0014] In the crankcase 2 , a drive shaft 14 integrally connected with a crankshaft 13 driven by energy is rotatably supported by bearings 15 , 15 and a seal 16 .

[0015] The connecting rod 18 is pivotally supported at one end 18 a by the crankshaft 13 with a bearing 17 .

The other end 18 b of the connecting rod 18 is m...

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PUM

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Abstract

Compressed gas which is compressed by a first gas compressor is further compressed by a second gas compressor. The compressed gas is conveyed from the first gas compressor to a crankcase of the second gas compressor, in which gas is further compressed. Gas is conveyed to a cylinder of the second gas compressor and is compressed by a piston in the cylinder.

Description

technical field [0001] The present invention relates to a multi-stage gas compression device, in particular to a multi-stage gas compression device, wherein the compressed gas is gradually compressed by a plurality of gas compressors. Background technique [0002] JP2003-97466A discloses an oil-free gas compressor, in which the compressed gas introduced into the cylinder from the inlet is compressed by a piston, and discharged from the outlet into a storage tank, and the piston follows the crankshaft through a connecting rod in the crankcase of reciprocating rotation. [0003] Currently, oil-free compressors must be used to provide high discharge pressures greater than 2MPa. [0004] Oil-free compressors used at high pressures are expensive and have poor durability. It is oil free. Bearings and air seals that contain grease have short life. It is thus necessary to use multiple parts for maintenance, and parts used under low pressure cannot be used. [0005] In the boost...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B41/00F04B25/00
CPCF04B25/00F04C23/00F04D19/02
Inventor 井上弘
Owner ANEST IWATA CORP