Hydraulic valve lifter for variable displacement engine

Details Hydraulic valve lifter for variable displacement engine Hydraulic valve lifter for variable displacement engine

1985-03-29

1986-10-07

Lazarus, Ira S.

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 9027, 123 9044, 123198F, F02D 1306

Patent

active

046153071

ABSTRACT:
A hydraulic valve lifter for a variable displacement engine includes a body member, a check valve disposed within the body member for controlling a pressure chamber and a reservoir chamber, a sleeve member secured to one end of the body member, a plunger member slidably disposed in an axial bore of the sleeve member, and a solenoid valve having a valve rod for actuating the check valve. The direction of movement of the check valve is disposed at right angles to the axial direction of the body member. The direction of movement of the valve rod is the same as the direction of the movement of the check valve.

REFERENCES:
patent: 4442806 (1984-04-01), Matsuura et al.
patent: 4469061 (1984-09-01), Ajiki et al.
patent: 4475497 (1984-10-01), Honda et al.
patent: 4480617 (1984-11-01), Nakano et al.
patent: 4481919 (1984-11-01), Honda et al.
patent: 4509467 (1985-04-01), Arai et al.
patent: 4515121 (1985-05-01), Matsuura et al.

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