SCREW COMPRESSOR AND REFRIGERATION CYCLE DEVICE

Title:

SCREW COMPRESSOR AND REFRIGERATION CYCLE DEVICE

Document Type and Number:

WIPO Patent Application WO/2014/192898

Kind Code:

A1

Abstract:

The present invention is equipped with: an economizer flow path (50), which is formed within a casing (1), and which connects the exterior of the casing (1) and a slide groove (14) in which a slide valve (12) is arranged; and an economizer port (12p), which is formed in the slide valve (12), and connects the economizer flow path (50) with a compression chamber (11) in accordance with the position of the slide valve (12). As the slide valve (12) moves from the discharge side to the intake side, the timing at which discharge begins advances. The economizer port (12p) is provided at a position where it communicates with an intake pressure chamber (1C) when the slide valve (12) has moved the farthest to the intake side.

Inventors:

SHIMOJI MIHOKO (JP)
KODA TOSHIHIDE (JP)
SHIRAISHI SOICHI (JP)
TSUKAMOTO KAZUYUKI (JP)
KAMIKAWA MASAAKI (JP)
UENAKAI NAOTO (JP)

Application Number:

PCT/JP2014/064346

Publication Date:

December 04, 2014

Filing Date:

May 29, 2014

Export Citation:

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Assignee:

MITSUBISHI ELECTRIC CORP (JP)

International Classes:

F04C18/52; F04C18/16; F04C28/26; F25B1/047

Foreign References:

JP2009019624A	2009-01-29
JPH05106572A	1993-04-27
JPH04136663A	1992-05-11
JPH0510614A	1993-01-19
JPH04136663A	1992-05-11

Other References: