ROTARY COMPRESSOR AND REFRIGERATION CYCLE DEVICE

WIPO Patent Application WO/2019/171540

A1

This rotary compressor is provided with a compression mechanism section which is lubricated by lubricating oil. The compression mechanism section includes: a first bearing and a second bearing, which are arranged at a distance from each other in the axial direction of a hermetic container; a plurality of cylinder bodies disposed between the first bearing and the second bearing and defining a plurality of cylinder chambers; an intermediate partition plate disposed between adjacent cylinder bodies and having a bearing section; and a rotating shaft. The rotating shaft has: a plurality of crank sections positioned between the first bearing and the second bearing and eccentrically rotating within the cylinder chambers; and an intermediate shaft section supported between adjacent crank sections by the bearing section of the intermediate partition plate. The intermediate shaft section is provided between the adjacent crank sections at a position offset toward one crank section, and a gap greater than the thickness of the bearing section of the intermediate partition plate is provided between the other crank section and the intermediate shaft section.

JP3869705	HERMETIC ROTARY COMPRESSOR
JPS6030495	LUBRICATING MECHANISM OF ROTARY COMPRESSOR

YAMAMOTO KUNIAKI (JP)
MASUNAGA TAKAYUKI (JP)
ADACHI KOSUKE (JP)
HIRAYAMA TAKUYA (JP)

PCT/JP2018/009014

September 12, 2019

March 08, 2018

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TOSHIBA KK (JP)
TOSHIBA CARRIER CORP (JP)

F04C18/356; F04C23/00

WO2014155938A1

2014-10-02

JPH05312172A	1993-11-22
JPS58220991A	1983-12-22
US20100322796A1	2010-12-23

S & S INTERNATIONAL PPC (JP)

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