Vehicular oil pump control apparatus

Details Vehicular oil pump control apparatus Vehicular oil pump control apparatus

2011-03-22

2011-03-22

Kramer, Devon C (Department: 3746)

Pumps

Condition responsive control of pump drive motor

Plural pumps having separate drive motors, supply sources,...

C417S199100, C417S426000, C180S065270

Reexamination Certificate

active

07909582

ABSTRACT:
A control apparatus for controlling two oil pumps which are provided on a vehicle wherein the two oil pumps are selectively driven by respective different drive power sources such that one of the two oil pumps is operated while the other oil pump is held at rest, the control apparatus including an air removal control portion configured to temporarily operate the above-indicated other oil pump during an operation of the above-indicated one oil pump, to remove air staying at and around an oil inlet of the above-indicated other oil pump.

REFERENCES:
patent: 2003/0109970 (2003-06-01), Nakamori et al.
patent: 2003/0148850 (2003-08-01), Tomohiro et al.
patent: 2006/0070943 (2006-04-01), Nishiyama et al.
patent: A-08-166058 (1996-06-01), None
patent: A-2001-41067 (2001-02-01), None
patent: A-2002-340160 (2002-11-01), None
patent: A-2004-067001 (2004-03-01), None
patent: A-2005-289316 (2005-10-01), None
patent: A-2006-105294 (2006-04-01), None
patent: A-2006-161838 (2006-06-01), None

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