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US 2003/0156961 A1Published application
Scroll compressor having a back pressure chamber in a rotation preventing mechanism
AssigneeSanden Corporation
InventorJiro Iizuka
Life of this patent
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Abstract
In a scroll compressor in which a movable scroll is placed between a housing and a fixed scroll to define a compression chamber in cooperation with the fixed scroll, an Oldham ring slidably interposed between the housing and the movable scroll to regulate a motion of the movable scroll. The Oldham ring has a space forming a back pressure chamber between the housing and the movable scroll. The movable scroll has a through hole allowing the compression chamber to communicate with the back pressure chamber.
Claims14
A scroll compressor comprising:
- a housing;
- a fixed scroll;
- a movable scroll placed between said housing and said fixed scroll to define a compression chamber in cooperation with said fixed scroll;
- and
- an Oldham ring slidably interposed between said housing and said movable scroll to regulate a motion of said movable scroll, said Oldham ring having a space forming a back pressure chamber between said housing and said movable scroll, said movable scroll having a through hole allowing said compression chamber to communicate with said back pressure chamber.
2 more elements
Dependencies are inferred from the claim text.