Title:
ベーンポンプ装置
Document Type and Number:
Japanese Patent JP6628592
Kind Code:
B2
Abstract:
An embodiment provides an inner plate including a high pressure side discharge through-hole through which a working fluid is discharged from a pump chamber; an inner-plate high pressure side through-hole through which the working fluid is guided to a columnar groove of a vane groove; and an inner-plate high pressure side recess portion that is a groove facing a columnar groove among multiple columnar grooves. An outer plate includes a high pressure side upstream recess portion; a high pressure side downstream recess portion; and a high pressure side connection recess portion through which the high pressure side upstream recess portion and the high pressure side downstream recess portion are connected to each other, and which has a passage area smaller than that of the high pressure side downstream recess portion.
Inventors:
Nishikawa year-old student
Application Number:
JP2015245692A
Publication Date:
January 08, 2020
Filing Date:
December 16, 2015
Export Citation:
Assignee:
Showa Corporation
International Classes:
F04C2/344; F04C11/00; F04C15/00
Domestic Patent References:
| JP57040677U | ||||
| JP60084785U | ||||
| JP2013092051A | ||||
| JP2001027186A | ||||
| JP8226388A | ||||
| JP60112683U |
Attorney, Agent or Firm:
Jiro Kobe
Fumio Ogata
Fumio Ogata