Motorcycle oil pump

Pumps – With condition responsive pumped fluid control – Expansible chamber pump distributor operation modified

Reexamination Certificate

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Details

C123S054400

Reexamination Certificate

active

06416299

ABSTRACT:

BACKGROUND-FIELD OF INVENTION
The invention relates generally to the field of motorcycle engines.
BACKGROUND OF INVENTION
Oil pump designs available in the state of the art for motorcycle engines are relatively arcane, low volume, and leaky. The primary problem is the limited space available for the various necessary systems. Applicants' invention provides a high volume oil pump in a motorcycle engine application.
SUMMARY & OBJECTS OF THE INVENTION
A first object of the invention is to provide a high volume oil pump for a Harley Davidson motorcycle engine.
A second object of the invention is to provide adjustable oil pressure.


REFERENCES:
patent: 3926157 (1975-12-01), Lippitsch
patent: 4332134 (1982-06-01), Cochran et al.
patent: 4347044 (1982-08-01), Ahlen
patent: 5249556 (1993-10-01), Emmitt
patent: 5495833 (1996-03-01), Ishizaka et al.
patent: 5682742 (1997-11-01), Sato et al.
patent: 5690084 (1997-11-01), Gunjii et al.
patent: 5950579 (1999-09-01), Ott
patent: 6105558 (2000-08-01), Bushling
patent: 6116205 (2000-09-01), Troxler et al.

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