Title:
TROCHOID TYPE OIL PUMP
Document Type and Number:
Japanese Patent JPH05164059
Kind Code:
A
Abstract:
PURPOSE: To reduce a cavitation phenomenon when it is rotating at high speed.
CONSTITUTION: A trochoid type oil pump is constituted in such a way that communication of an inter-teeth chamber 9, a suction port 6 and a delivery port 7 is cut off between a position where a capacity of the inter-teeth chamber 9 becomes maximum and a position where an angle is deflected in the rotational direction of an inner rotor 5, and edge parts 6a and 7a of suction and delivery ports 6 and 7 situated on the eccentric direction side of an outer rotor 4 are formed in an inward dented outer peripheral shape.
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Inventors:
SUYAMA TETSUYA
KURUMI TAKAYUKI
KURITA HIROTAKA
KURUMI TAKAYUKI
KURITA HIROTAKA
Application Number:
JP33080991A
Publication Date:
June 29, 1993
Filing Date:
December 13, 1991
Export Citation:
Assignee:
AISIN SEIKI
International Classes:
F04C2/10; (IPC1-7): F04C2/10
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