Title:
OIL PUMP
Document Type and Number:
Japanese Patent JPS6226388
Kind Code:
A
Abstract:
PURPOSE: To reduce abrasion of a pump body and gear thus to prevent degradation of the pump capacity by making a foreign matter bypass groove in the outercircumferential section of the delivery chamber of pump body and discharging the foreign matter together with the delivery oil to the delivery side as the gear rotates.
CONSTITUTION: A foreign matter bypass groove 12A is made in the outercircumference of delivery chamber 12 of pump body 10. Consequently, the foreign matter can be discharged to the delivery side in accordance to the delivery oil flow as the gear 20 will rotate. Since the foreign matter is discharged, abrasion of pump body 10 and gear is reduced to prevent degradation of pump capacity due to abrasion.
Inventors:
HAYAKAWA YOICHI
YAMASHITA TAKAHIRO
WATANABE KAZUAKI
HARADA YOSHIHARU
YAMASHITA TAKAHIRO
WATANABE KAZUAKI
HARADA YOSHIHARU
Application Number:
JP16290685A
Publication Date:
February 04, 1987
Filing Date:
July 25, 1985
Export Citation:
Assignee:
AISIN WARNER
TOYOTA MOTOR CORP
TOYOTA MOTOR CORP
International Classes:
F04C2/18; F04C2/14; (IPC1-7): F04C2/14
Domestic Patent References:
| JP60180787B |