Title:
SCROLL COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2020/189602
Kind Code:
A1
Abstract:
[Problem] To provide a scroll compressor with which it is possible to eliminate the problem of excessive back pressure in a wide suction pressure range. [Solution] The scroll compressor is provided with: a back pressure chamber 39 formed on a back surface of an end plate 31 of a movable scroll 22; a back pressure passageway 43 communicating between a discharge space 27 and the back pressure chamber 39; an orifice 44 provided in the back pressure passageway 43; a pressure-control communicating hole 51 formed in the end plate 31 of the movable scroll 22 and communicating between the back pressure chamber 39 and the compression chamber 34; and a pressure adjusting valve 47 provided between the back pressure chamber 39 and the interior of a main housing 6.
Inventors:
INABA HIRONOBU (JP)
SATO TAIZO (JP)
IMAI TETSUYA (JP)
SATO TAIZO (JP)
IMAI TETSUYA (JP)
Application Number:
PCT/JP2020/011348
Publication Date:
September 24, 2020
Filing Date:
March 16, 2020
Export Citation:
Assignee:
SANDEN AUTOMOTIVE COMPONENTS CORP (JP)
International Classes:
F04C18/02; F04C28/28
Domestic Patent References:
| WO2017159393A1 | 2017-09-21 |
Foreign References:
| JPH0476291A | 1992-03-11 | |||
| JP2009299523A | 2009-12-24 |
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