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Booster-type compressor

a compressor and boom technology, applied in the direction of pump components, positive displacement liquid engines, pump pumps, etc., can solve problems such as environmental contamination

Inactive Publication Date: 2007-02-22
ANEST IWATA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0007] In view of the disadvantages above, it is an object of the present invention to provide a booster-type compressor in which a compressed gas is further compressed in a space on a piston moved up and down by a reciprocating mechanism to prevent the compressed gas from leaking back into a casing including the reciprocating mechanism.

Problems solved by technology

If it is toxic, it will cause environmental contamination.

Method used

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Embodiment Construction

[0011] A booster-type compressor according to the present invention will be described with respect to FIG. 1.

[0012] A discharge check valve 4 is provided in a top wall 3 of a cylinder 2 at the upper part of a crankcase 1 and there is a discharge chamber 6 having a discharge hole 5 above the top wall 3.

[0013] In the crankcase 1, a drive shaft 8 integrally connected to a crank shaft 7 and driven by a suitable power is pivotally mounted via bearings 9, 9 and a seal 10. A piston rod 12 is pivotally connected to the crank shaft 7 via a bearing 11 at one end, and is pivotally connected to a piston 13 in the cylinder 2 at the other end.

[0014] In the inner circumference of the cylinder 2, a gas-guiding groove 14 is formed. The lower end of the gas-guiding groove 14 communicates with the inside of the crankcase 1 and the upper end of the gas-guiding groove 14 communicates with a space on the piston 13 in the cylinder 2 when the piston 13 is in the lowest position. When the piston 13 rises...

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Abstract

A compressed gas is introduced into a casing. A piston pivotally connected to a reciprocating mechanism moves up and down in a cylinder. The compressed gas in the casing is sent to a space on the piston through a groove formed in the inner circumference of the cylinder and is further compressed in the space by the piston.

Description

BACKGROUND OF THE INVENTION [0001] The present invention relates to a booster-type compressor that compresses a compressed gas with a reciprocating piston. [0002] A conventional booster-type compressor is shown in FIG. 2, in which a suction check valve 23 is formed at one side of a top wall 22 of a cylinder 21 and a discharge check valve 24 is formed at the other side of the top wall 22. A suction chamber 26 which has an inlet 25 and a discharge chamber 28 which has an outlet 27 are formed on the suction check valve 23 and discharge check valve 24 respectively. A crank shaft 31 integrally connected to a drive shaft 30 driven by an external power source is provided in a crankcase 29 under the cylinder 21. A piston 33 in the cylinder 21 is reciprocated by the crank shaft 31 via a piston rod 32. A compressed gas such as N2 sucked from the inlet 25 is guided into a space on the piston 33 via the suction check valve 23, compressed and discharged via the discharge check valve 24 and outle...

Claims

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Application Information

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IPC IPC(8): F04B7/04
CPCF04B7/04F04B39/122
Inventor INOUE, HIROSHI
Owner ANEST IWATA CORP