RECIPROCATING COMPRESSOR

WIPO Patent Application WO/2013/161886

A1

[Problem] To provide a reciprocating compressor having a simple structure, the reciprocating compressor being configured in such a manner that, in a low-speed rotation region, the amount of oil carried to the outside of the compressor is small and that, in a high-speed rotation region, a large amount of oil is not stored in a crank chamber. [Solution] A reciprocating compressor is provided with a pressure release passage for connecting a crank chamber and a suction chamber. The reciprocating compressor is characterized in that: a recess connecting to the crank chamber and comprising a peripheral wall and a bottom wall is provided on the inside of cylinder bores in the radial direction of the compressor; and the pressure release passage is open on a line connecting the bottom wall of the recess and a plane defined by both the axis of the drive shaft and the center between a cylinder bore which is above a drive shaft in the gravitational direction and which, among the cylinder bores, is located at the highest position on the upper side in the gravitational direction, and a cylinder bore adjacent to the cylinder bore.

ISHIKAWA TSUTOMU (JP)
ENOMOTO ANRI (JP)
TERAUCHI SATOSHI (JP)
TAGUCHI YUKIHIKO (JP)

PCT/JP2013/062093

October 31, 2013

April 24, 2013

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SANDEN CORP (JP)

F04B27/14; F04B49/00

JP2012002198A	2012-01-05
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JP2007127118A	2007-05-24
JP2003293947A	2003-10-15
JPH08121329A	1996-05-14
JP2007146754A	2007-06-14
JP2008064031A	2008-03-21
JP2006057560A	2006-03-02
JPH06299959A	1994-10-25
JP2010121487A	2010-06-03

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