Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing
Patent
1985-12-09
1987-06-23
Lazarus, Ira S.
Internal-combustion engines
Poppet valve operating mechanism
With means for varying timing
123 9012, 123198F, F01L 124, F02D 1300
Patent
active
046744517
ABSTRACT:
A valve control arrangement for an internal combustion engine with reciprocating pistons, comprises a combustion chamber valve, a driving cam of the combustion chamber valve, a movement transmission group arranged between the combustion chamber valve and the driving cam and having a pressure chamber which is fillable with a pressure medium and unloadable from the pressure medium, an unloading conduit through which the pressure chamber is unloaded, and electrically controlled blocking valve arranged in the unloading conduit for blocking and releasing the unloading conduit and therefore coupling or uncoupling the combustion chamber valve relative to the driving cam, the blocking valve being formed as electromagnetically controlled 2/2 directional control valve.
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patent: 3817228 (1974-06-01), Bywater
patent: 4153016 (1979-05-01), Hausknecht
patent: 4188933 (1980-02-01), Iizuka
patent: 4278233 (1981-07-01), Lurner et al.
patent: 4347812 (1982-09-01), Kosuda et al.
patent: 4466390 (1984-08-01), Babitzka et al.
Rembold Helmut
Ruoff Manfred
Teegen Walter
Lazarus Ira S.
Robert & Bosch GmbH
Striker Michael J.
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