Title:
VANE PUMP
Document Type and Number:
WIPO Patent Application WO/2018/016235
Kind Code:
A1
Abstract:
A vane pump (1) is provided with: a rotor (3) comprising a housing (2) having a pump section (20A) and a cylindrical section (20B), a rotor main body (30) that supports a vane (4) arranged in the pump chamber (A) of the pump section (20A), and a shaft section (31) arranged inside of the cylindrical section (20B); and an oil path (L1) for supplying lubricating oil to the pump chamber (A). The oil path (L1) comprises: a first segment (203) passing through the cylindrical section (20B) in the radial direction; a second segment (310) that is arranged in the shaft section (31) and that is connected to the first segment (203); and an opening/closing section that is arranged on the border of the first segment (203) and the second segment (310) and that cyclically opens and closes the oil path (L1) together with rotation of the rotor (3).
Inventors:
NAKAMUTA KEN (JP)
Application Number:
PCT/JP2017/021816
Publication Date:
January 25, 2018
Filing Date:
June 13, 2017
Export Citation:
Assignee:
TAIHO KOGYO CO LTD (JP)
International Classes:
F04C18/344; F04C25/02; F04C29/02
Foreign References:
| EP1108892A2 | 2001-06-20 | |||
| JP2016075196A | 2016-05-12 |
Attorney, Agent or Firm:
HIGASHIGUCHI Michiaki et al. (JP)
Download PDF: