Fluid machine
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United States of America Patent
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Jan 1, 2008
Grant Date -
Sep 29, 2005
app pub date -
Mar 8, 2005
filing date -
Mar 24, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
An outer end of a seal element for a fixed scroll is extended to a position close to an end of an inside spiral wall of the fixed scroll, and an outwardly extended portion is formed at an outer periphery of a disc-shaped base plate of a movable scroll, so that a bottom surface of the movable scroll is always kept in a sliding contact entirely with the seal element during the orbital movement of the movable scroll. A thickness of the outwardly extended portion formed at the outer periphery of the disc-shaped base plate is made smaller than that of the disc-shaped base plate, so that the weight of the fluid machine can be smaller.
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