Wobble plate type variable displacement compressor
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United States of America Patent
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Jul 22, 2014
Grant Date -
Apr 7, 2011
app pub date -
May 13, 2009
filing date -
Jun 5, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
Disclosed is a wobble plate type variable displacement compressor that uses a constant velocity universal joint mechanism, which comprises an inner ring and an outer ring, balls that are held between guide grooves of the inner ring and the outer ring to transmit power, wherein a wobble plate is connected and fixed to the outer ring. In the compressor, at least any one of the guide grooves opposing each other of the inner and outer rings is formed along a guide groove cross-sectional profile to come into contact with a ball at two points. With this wobble plate type variable displacement compressor using the specified constant velocity universal joint mechanism, the ball retaining structure between the inner and outer rings in the wobble plate rotation preventing mechanism can be improved, and desired power transmission can be stably performed.
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