Scroll fluid machine
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United States of America Patent
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Apr 10, 2007
Grant Date -
Jun 3, 2004
app pub date -
Nov 26, 2003
filing date -
Nov 29, 2002
priority date (Note) -
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Abstract
A scroll fluid machine has a low-pressure stage compression part for compressing a fluid sucked in from the outside between mutually overlapping wrap portions of two scroll members performing a relative orbiting motion and a high-pressure stage compression part for compressing the fluid sucked in from the low-pressure stage compression part between mutually overlapping wrap portions of two scroll members performing a relative orbiting motion. The scroll members in the low-pressure stage compression part have a larger radial gap between the wrap portions than that of the scroll members in the high-pressure stage compression part.
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