Title:
ROTARY COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2012/169181
Kind Code:
A1
Abstract:
This rotary compressor (100) is equipped with a compression mechanism (3), a motor (2), an intake channel (14), a return passage (16), and an on-off valve (32) as a control mechanism (30), and is provided with an internal space (28) that is partitioned from the interior of a sealed container (1) and an operating chamber (25), a first check valve (35a) that prevents the flow of refrigerant from the internal space (28) to the operating chamber (25), and a second check vale (35b) that prevents the flow of refrigerant from the interior of the sealed container (1) to the internal space (28). When the on-off valve (32) opens, the first check valve (35a) opens due to the decrease in the volume of the operating chamber (25), and the pressure in the operating chamber (25) does not rise, and at this time, the rotary compressor (100) operates with an intake volume of essentially zero. When the on-off valve (32) closes, the rotary compressor (100) operates with the normal intake volume.
Inventors:
HIWATA AKIRA
OGATA TAKESHI
OGATA TAKESHI
Application Number:
PCT/JP2012/003699
Publication Date:
December 13, 2012
Filing Date:
June 06, 2012
Export Citation:
Assignee:
PANASONIC CORP (JP)
HIWATA AKIRA
OGATA TAKESHI
HIWATA AKIRA
OGATA TAKESHI
International Classes:
F04C23/00; F04C18/356; F04C28/26; F04C29/12
Foreign References:
| JPS6321792U | 1988-02-13 | |||
| JPH05172076A | 1993-07-09 |
Attorney, Agent or Firm:
ABE, Shinichi et al. (JP)
Shin-ichi Abe (JP)
Shin-ichi Abe (JP)
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Claims: