Input shaft lubrication for gear pump
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United States of America Patent
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-
Mar 31, 2015
Grant Date -
Aug 30, 2012
app pub date -
Feb 25, 2011
filing date -
Feb 25, 2011
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A shaft assembly includes a gear with a gear bore having a splined bore section adjacent to an oil dam. A shaft includes a first splined end section and a second splined end section, the first splined end section engageable with the splined inner diameter, the shaft having a bore with a bore diameter greater than a diameter of the oil dam, a first set of radial apertures axially inboard of the first splined end section in communication with the shaft inner bore and a second set of radial apertures axially inboard of the second splined end section in communication with the shaft inner bore that altogether provide lubrication of the splined end sections.
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