Title:
ROTARY COMPRESSOR
Document Type and Number:
Japanese Patent JP2014025408
Kind Code:
A
Abstract:
To provide a technique for reducing mechanical loss in both end surfaces of a piston and preventing oil from penetrating into a cylinder chamber.
A rotary compressor 100 includes a closed vessel 1, a cylinder 15, a piston 28, a lower bearing member 7, a vane 33, an inlet 20, and a groove part 7d. A first flat face H1 and a second flat face H2 form four divided sections. The lower bearing member 7 includes a first section S1, adjacent to an inlet 20, of the four divided sections and a second section S2 having the remaining three sections. The groove part 7d is shaped along a periphery of a bearing hole 7a and is wholly provided in the second section S2.
Inventors:
SHII KENTARO
SHOYAMA NAOYOSHI
HIKICHI TAKUMI
WADA MASANOBU
HASEGAWA HIROSHI
SHOYAMA NAOYOSHI
HIKICHI TAKUMI
WADA MASANOBU
HASEGAWA HIROSHI
Application Number:
JP2012166033A
Publication Date:
February 06, 2014
Filing Date:
July 26, 2012
Export Citation:
Assignee:
PANASONIC CORP
International Classes:
F04C18/356; F04C29/00; F16C17/04; F16C33/10
Attorney, Agent or Firm:
Koichi Kamata
Masatoshi Furuta
Masatoshi Furuta
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