Dual pump apparatus
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United States of America Patent
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-
Aug 21, 2007
Grant Date -
N/A
app pub date -
Dec 21, 2005
filing date -
Dec 21, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A dual pump apparatus having first and second pump housings is disclosed. A first end cap is mounted to the first housing to form a first sump and a first pump cylinder block is located therein. A second end cap is mounted to the second housing to form a second sump and a second pump cylinder block is located therein. A charge pump is sandwiched between the end caps to provide charged hydraulic fluid to one or both cylinder blocks. An input shaft having a first end external to the hydraulic pump apparatus extends into both housings to simultaneously drive the first pump cylinder block, the second pump cylinder block and the charge pump.
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