Phase timed camshaft spray lubrication system

Details Phase timed camshaft spray lubrication system Phase timed camshaft spray lubrication system

1989-06-05

1990-01-30

Cross, E. Rollins

Internal-combustion engines

Poppet valve operating mechanism

Lubrication

123196W, 184 61, F01M 106

Patent

active

048966347

ABSTRACT:
The present invention is a lubrication system for an internal combustion engine. lubricating oil flows through a central bore of a camshaft, and the camshaft sprays oil into a journal bearing. The crankshaft and camshaft are configured so that they are in phase, whenever the camshaft is closest to the camshaft during a rotation, the camshaft sprays oil into the journal bearing. Since the crankshaft has twice the rotational velocity of the camshaft, two spray holes are provided in the camshaft so that a spray hole supplies oil on each cycle of the crankshaft rotation.

REFERENCES:
patent: 1864314 (1932-06-01), Morrill
patent: 2346148 (1944-04-01), Bosma
patent: 2678702 (1954-05-01), O'Harrow
patent: 3628513 (1971-12-01), Grosseau
patent: 3875908 (1975-04-01), Ayres
patent: 3958541 (1976-05-01), Lachnit
patent: 4343270 (1982-08-01), Kawabe
patent: 4768397 (1988-09-01), Adams

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