Valve actuator for internal combustion engine

Details Valve actuator for internal combustion engine Valve actuator for internal combustion engine

1985-06-27

1987-06-16

Lazarus, Ira S.

Internal-combustion engines

Poppet valve operating mechanism

Rocker

123 9027, 123 9039, F01L 118

Patent

active

046729275

ABSTRACT:
A valve actuating mechanism for an overhead valve and overhead cam type internal combustion engine in which the camshaft is positioned above and between the valve and a cam follower seat member in the cylinder head. The cam follower has downwardly facing portions on each end for engaging the valve and seat number and an upwardly facing slipper face for engaging the cam on the camshaft for causing rocking or pivoting motion of the cam follower. The shape of the slipper face is formed to engage the cam at the start of the valve-lifting movement of the cam follower to minimize the lateral forces on the cam follower which otherwise would tend to cause shifting of the cam follower and resultant noise and wear.

REFERENCES:
patent: 3002507 (1961-10-01), Bensinger et al.
patent: 3166058 (1965-01-01), Zink
patent: 3563216 (1971-02-01), Uemura
patent: 4359019 (1982-11-01), Gaede
patent: 4369740 (1983-01-01), Seidl
patent: 4418659 (1983-12-01), Gaede
patent: 4539952 (1985-09-01), Nouno et al.

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