Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
VARIABLE OIL PUMP
Document Type and Number:
WIPO Patent Application WO/2017/051645
Kind Code:
A1
Abstract:
This variable oil pump is provided with: a pump housing; a cover; an oil pump rotor rotationally driven while being accommodated within the accommodation space between the pump housing and the cover; a regulation member accommodated within the accommodation space 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; 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 engaging the groove and the pin with each other to thereby guide the displacement of the regulation member relative to the pump housing; and a seal structure provided to the pump housing and/or the cover and surrounding the movement track of the groove of the regulation member, which is displaced relative to the pin, the seal structure thereby sealing the inside of the groove relative to the accommodation space.

Inventors:
ISODA ATSUO (JP)
Application Number:
PCT/JP2016/074277
Publication Date:
March 30, 2017
Filing Date:
August 19, 2016
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
AISIN SEIKI (JP)
International Classes:
F04C15/00; F04C2/10; F04C14/22
Domestic Patent References:
WO2010013625A12010-02-04
Foreign References:
JP2014129807A2014-07-10
JP2015140670A2015-08-03
Other References:
See also references of EP 3333425A4
Attorney, Agent or Firm:
MIYAZONO, Hirokazu (JP)
Download PDF:



 
Previous Patent: COMPONENT PACKAGE

Next Patent: VARIABLE OIL PUMP