VARIABLE OIL PUMP - AISIN SEIKI

Title:

VARIABLE OIL PUMP

Document Type and Number:

WIPO Patent Application WO/2017/051646

Kind Code:

A1

Abstract:

This variable oil pump is provided with: a pump housing; an oil pump rotor accommodated within the pump housing and rotationally driven; a regulation member accommodated within the pump housing and displaced by a driving force while rotatably holding the oil pump rotor from the outer peripheral side, thereby regulating the amount of oil discharged from the oil pump rotor; and a guide section including a groove provided in the regulation member, the guide section further including a pin which is provided to the pump housing and which engages with the groove. The guide section engages the groove and the pin with each other to thereby guide the displacement of the regulation member relative to the pump housing. At an initial position where the regulation member starts displacement, the inner surface of the groove and the outer surface of the pin are in linear contact with each other in the direction in which the pin extends.

Inventors:

NISHIDA YUKI (JP)

Application Number:

PCT/JP2016/074280

Publication Date:

March 30, 2017

Filing Date:

August 19, 2016

Export Citation:

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Assignee:

AISIN SEIKI (JP)

International Classes:

F04C14/22; F04C2/10

Domestic Patent References:

WO2015033432A1

2015-03-12

Foreign References:

JP2014139420A	2014-07-31
JP2014129807A	2014-07-10

Other References: