Oil supply system for valves in an internal combustion engine

Details Oil supply system for valves in an internal combustion engine Oil supply system for valves in an internal combustion engine

1986-04-18

1987-03-17

Lazarus, Ira S.

Internal-combustion engines

Poppet valve operating mechanism

Lubrication

123 9023, 123 9027, 123 9044, F01M 910, F01L 126

Patent

active

046498745

ABSTRACT:
An oil supply system for the overhead valve actuating mechanism of an internal combustion engine. A cam follower is engaged by a hydraulic tappet for constantly maintaining positive contact among the valve actuating mechanism components including a rocker arm pivotally mounted on a rocker shaft and engaging the end of the valve for opening same and a pusher rod extending between the rocker arm and the cam follower. Oil is supplied under pressure to the hydraulic tappet for operating same and from a reservoir chamber in the tappet through oil passages in the cam follower, pusher rod and rocker arm to lubricate the rocker shaft and the points of engagement between those components.

REFERENCES:
patent: 1792836 (1931-02-01), Handwerker
patent: 3048156 (1962-08-01), Van Slooten
patent: 3146767 (1964-09-01), Dadd
patent: 3179094 (1965-04-01), Ribeton
patent: 3897761 (1975-08-01), Fleischer et al.
patent: 4527518 (1985-07-01), Osaki et al.

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