Pump apparatus and marine vessel propelling machine
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United States of America Patent
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Feb 6, 2018
Issued Date -
N/A
app pub date -
Sep 25, 2015
filing date -
Mar 12, 2015
priority date (Note) -
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Abstract
A pump apparatus includes a shaft, a first pump, and a second pump. The first pump includes a first driving gear disposed on the shaft in a first phase and rotatable with the shaft to feed a first operating fluid. The second pump includes a second driving gear disposed on the shaft in a second phase shifted from the first phase. The second driving gear is coaxial with the first driving gear and rotatable with the shaft to feed a second operating fluid.
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