Double gear pump with improved bearings
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United States of America Patent
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Mar 18, 2014
Grant Date -
Sep 30, 2010
app pub date -
Aug 15, 2007
filing date -
Aug 23, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
In a double gear pump that is provided with a drive gear; two driven gears that are oppositely arranged with the drive gear therebetween, a first bearing that supports a drive shaft of the drive gear; and a second and a third bearings that support rotating shafts of the two driven gears, the bearing length of the first bearing is formed shorter than the bearing lengths of the second and third bearings. According to the present invention, it is possible to provide a double gear pump that is capable of easily and reliably reducing the bearing loss of a bearing that support a gear.
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