Valve timing gear for an internal combustion engine

Details Valve timing gear for an internal combustion engine Valve timing gear for an internal combustion engine

1995-12-19

1997-04-29

Solis, Erick R.

Internal-combustion engines

Poppet valve operating mechanism

Lubrication

F01M 908

Patent

active

056238991

ABSTRACT:
In a valve timing gear for an internal combustion engine having valves, means for actuating the valves and oil supply passages for supplying lubricating oil to the valve actuating means, the oil supply passages have side bores with outlet openings arranged above the valve stem surface areas to be lubricated and a pin-like restrictor with at least one longitudinal groove is disposed in each bore for controlling the oil flow through the bore and guiding it along the pin-like restrictor which ends above surface area to be lubricated.

REFERENCES:
patent: 5125373 (1992-06-01), Yamada et al.

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