Overhead camshaft engine valve train with slack take up means

Internal-combustion engines – Poppet valve operating mechanism – Rocker

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Details

123 9057, F01L 124

Patent

active

046466908

ABSTRACT:
A valve train of an overhead camshaft engine is provided with a mechanism for taking up slack in the valve train. The slack take up mechanism is constituted by a tappet, an oil pressure chamber, a coil spring, etc. and constructed such that leakage of the oil pressure chamber takes place for take up adjustment during each cycle of valve operation.

REFERENCES:
patent: 2036936 (1936-04-01), Halford
patent: 2630792 (1953-03-01), Engemann
patent: 2765783 (1956-10-01), Randol
patent: 2818844 (1958-01-01), Wood
patent: 3142290 (1964-07-01), Lesher
patent: 3650251 (1972-03-01), Pelizzoni
patent: 4192263 (1980-03-01), Kitayawa et al.

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