Four-stroke internal combustion engine with a lubricating oil pu

Details Four-stroke internal combustion engine with a lubricating oil pu Four-stroke internal combustion engine with a lubricating oil pu

1985-09-05

1986-11-25

Cross, E. Rollins

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

123196R, 123195C, 418170, 184 628, 184 26, F02B 7700

Patent

active

046242279

ABSTRACT:
A lubricating oil pump for a four-stroke internal combustion engine inclu a pump body; an annular gearwheel rotatably mounted around the outer perihery of the pump body, the annular gearwheel including projections on its outer surface to function as cams for valve control and including teeth on its inner surface; and a driving pinion mounted within the annular gearwheel and attachable to the crankshaft of the engine, the driving pinion including external teeth in meshing engagement with the internal teeth of the annular gearwheel such that the annular gearwheel rotates at half the speed of the driving pinion.

REFERENCES:
patent: 4518332 (1985-05-01), Saegusa

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