Fluid supply apparatus

Details Fluid supply apparatus Fluid supply apparatus

2007-06-05

2007-06-05

Chang, Ching (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090150, C123S090120

Reexamination Certificate

active

11367458

ABSTRACT:
A fluid supply apparatus includes a fluid pump for supplying a fluid to a fluid supplied portion from a fluid storage portion, a pair of passages provided between the fluid storage portion and the fluid supplied portion in series with the fluid pump, one of the pair of passages including a first supply passage with a check valve therein for preventing the fluid from flowing back to the fluid storage portion from the fluid supplied portion and the other of the pair of passages including a second supply passage provided in parallel with the first supply passage, and a switching apparatus for switching the second supply passage to a state in which the fluid can flow in the second supply passage.

REFERENCES:
patent: 3724294 (1973-04-01), Gaus
patent: 5193494 (1993-03-01), Sono et al.
patent: 6085708 (2000-07-01), Trzmiel et al.
patent: 6701877 (2004-03-01), Ottersbach et al.
patent: 2002/0104496 (2002-08-01), Sakuragi et al.
patent: 2003/0213442 (2003-11-01), Cornell et al.
patent: 2004/0222319 (2004-11-01), Schmidt et al.
patent: 55086946 (1980-07-01), None
patent: 2001-289014 (2001-01-01), None

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