Scroll type fluid machine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Oct 31, 2000
Grant Date -
N/A
app pub date -
Nov 3, 1998
filing date -
Dec 19, 1995
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Abstract
A scroll type fluid machine having a bypass hole structure for capacity control is disclosed. The scroll type fluid machine comprises a first scroll having a first spiral blade, and a second scroll having a second spiral blade. A first fluid working chamber is formed between an inner surface of the first spiral blade, and a second scroll having a second spiral blade. A first fluid working chamber is formed between an inner surface of the first spiral blade and an outer surface of the second spiral blade, and a second fluid working chamber is formed between an outer surface of the first spiral blade and an inner surface of the second spiral blade. A winding end of the first spiral blade is extended so that the first fluid working chamber and the second fluid working chamber open and close with respect to a single low-pressure port. A common bypass hole making the first and second fluid working chambers communicate with the low-pressure port in common is provided.
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