Pump enable system and method
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United States of America Patent
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-
Oct 2, 2001
Grant Date -
N/A
app pub date -
Feb 5, 1999
filing date -
Feb 6, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pump enable system includes a variable-displacement piston pump having a displacement control device. The displacement control device controls displacement of pistons in the pump based on a position thereof, and a position control system in the pump controls a position of the displacement control device based on a load on the pump. An over-ride system selectively over-rides the position control system such that the displacement control device assumes a position which reduces displacement of the pistons in the pump.
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