Oil pressure control apparatus for an internal combustion...

Details Oil pressure control apparatus for an internal combustion... Oil pressure control apparatus for an internal combustion...

2005-02-01

2005-02-01

Denion, Thomas (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090150, C184S006500, C137S545000

Reexamination Certificate

active

06848404

ABSTRACT:
An oil pressure control apparatus which includes a source of hydraulic pressure introducing the hydraulic pressure to a hydraulic actuator which is actuated by hydraulic pressure, a fluid passage which is connected between the source of hydraulic pressure and the hydraulic actuator for introducing and discharging hydraulic pressure from the source of hydraulic pressure to the actuator, a control valve which is disposed in the fluid passages for controlling the hydraulic pressure and a filter is disposed in a position that is between the actuator and the control valve. Thereby, the control valve is capable to be operated smoothly.

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