Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing
Patent
1975-03-07
1976-06-15
Myhre, Charles J.
Internal-combustion engines
Poppet valve operating mechanism
With means for varying timing
123 9061, 123 9063, F01L 134
Patent
active
039630072
ABSTRACT:
A hydraulic lifter assembly for adjusting the opening movement of engine valves by push rods actuated by the engine cam shaft is completely self-contained as a unit which may be quickly installed or replaced when necessary. The valve lifter assembly is totally enclosed, so that oil is sealed in the housing and dirt is excluded from the housing reservoir. A plastic indicator cap cooperates with grooves on the exterior of the housing to visually indicate proper valve lifter adjustment and adequate stroke in the operation of the same. The indicator means also makes it apparent when the lifter or adjuster requires attention.
REFERENCES:
patent: 2308858 (1943-01-01), Burkhardt
patent: 2739580 (1956-03-01), Brown
patent: 3091227 (1963-05-01), Neil
patent: 3109418 (1963-11-01), Exline
0'Connor Daniel J.
Myhre Charles J.
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