Oil pump drive for engine

Details Oil pump drive for engine Oil pump drive for engine

1996-07-19

1999-01-19

Solis, Erick R.

Internal-combustion engines

Lubricators

Crankcase, pressure control

123 9031, 1231922, F01L 102, F02B 7506, F01M 102

Patent

active

058604022

ABSTRACT:
An improved compact oil pump drive arrangement for an internal combustion engine having an auxiliary shaft that is driven by the crankshaft. The oil pump is driven by an oil pump drive shaft that is disposed between the auxiliary shaft and the crankshaft by a helical gear arrangement. The auxiliary drive shaft is also driven by a helical gear arrangement, and the helical gears on the auxiliary drive shaft are of appropriate hands so as to balance the axial thrusts on the auxiliary drive shaft.

REFERENCES:
patent: 4095579 (1978-06-01), Iwasa et al.
patent: 4538481 (1985-09-01), Ohta et al.
patent: 4615308 (1986-10-01), Asanomi et al.
patent: 4793301 (1988-12-01), Ishikawa
patent: 5065841 (1991-11-01), Takagaki
patent: 5113807 (1992-05-01), Kobayashi
patent: 5461940 (1995-10-01), Morita

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