Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing
Patent
1981-10-29
1984-05-15
Lazarus, Ira S.
Internal-combustion engines
Poppet valve operating mechanism
With means for varying timing
123 9018, 123198F, 123 9027, F01L 134
Patent
active
044481560
ABSTRACT:
A variable gas distribution device, or a variable valve timing device, for an internal combustion engine is disclosed. The device consists of at least two rocker arms mounted on a common shaft and each engageable with a cam having a different configuration. A connecting element is slidably mounted on the shaft between two of the rocker arms and is engageable with an intake valve of an engine. The connecting element and rocker arms have lateral notches which are matable with one another so that the connecting element rotates with one or the other of the rocker arms. A control device is provided for moving the connecting element along the axis of the shaft so that it can engage with one or the other of the rocker arms.
REFERENCES:
patent: 1283780 (1918-11-01), Huid
patent: 1622492 (1927-03-01), Coatalen
patent: 4151817 (1979-05-01), Muellen
patent: 4151824 (1979-05-01), Gilbert
patent: 4173209 (1979-11-01), Jordan
patent: 4203397 (1980-05-01), Soetens
patent: 4204512 (1980-05-01), Brock
patent: 4249488 (1981-02-01), Siegla
patent: 4252093 (1981-02-01), Hazelrigg
patent: 4284042 (1981-08-01), Springer
Lazarus Ira S.
Regie Nationale des Usines Renault
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