Variable output gerotor pump
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United States of America Patent
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-
Oct 18, 1988
Grant Date -
N/A
app pub date -
Jun 23, 1987
filing date -
Jul 7, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A variable output gerotor oil pump of the kind having a common rotor with n teeth meshed with two axially juxtaposed internally lobed annuli with n+1 teeth has the annuli individually located in eccentrics formed with gear teeth to be turned in opposite directions by a gear drive. The teeth are straight cut, not bevel, and the drive includes an intermediate pinion so that a single shaft turns the eccentrics in opposite directions.
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