Valve control arrangement

Details Valve control arrangement Valve control arrangement

1985-12-12

1987-06-09

Lazarus, Ira S.

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 9012, 123198F, F01L 124, F02D 1300

Patent

active

046712216

ABSTRACT:
A valve control arrangement for internal combustion engines with reciprocating pistons, comprises a housing having a housing opening, a valve piston axially displaceable in the housing opening, a valve closing spring, a valve plunger on which the valve piston acts against the valve closing spring, a cam piston axially displaceable in the housing opening, a valve control cam, a pressing spring which presses the cam piston against the valve control cam, a working chamber formed between the valve piston and the cam piston and arranged to be filled with pressure medium which transmits a lifting movement of the cam piston to the valve piston, the pressing spring which acts on the cam piston being arranged outside of the working chamber and supported at the side of the housing.

REFERENCES:
patent: 2019252 (1935-10-01), Cottingham
patent: 4153016 (1979-05-01), Hausknecht
patent: 4278233 (1981-07-01), Turner et al.
patent: 4337739 (1982-07-01), Jordan
patent: 4466390 (1984-08-01), Babitzka et al.

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