Title:
SCROLL TYPE FLUID MACHINE
Document Type and Number:
Japanese Patent JP2019056335
Kind Code:
A
Abstract:
To provide a scroll type fluid machine which enables lubrication of a lip seal located at the downstream of a slide bearing to be secured even if a driving shaft is rotatably supported by the slide bearing.SOLUTION: A first supply passage 47 which supplies a fluid suctioned from a suction port 49 to the main bearing 14 side and a first return passage 48 which returns the fluid supplied to the main bearing 14 side to the suction port 49 side are formed on a support surface 31 of a front housing 4 which supports thrust force of a scroll unit 6. Further, a second supply passage 63 which supplies the fluid supplied to the main bearing 14 side through the first supply passage 47 to the lip seal 59 side and a second return passage 64 which returns the fluid supplied to the lip seal 59 side to the main bearing 14 side are formed at a press-fit part of the front housing 4 into which the main bearing 14 is press-fitted. The first return passage 48 and the second return passage 64 are formed at positions offset from each other in a circumferential direction of a driving shaft 8.SELECTED DRAWING: Figure 1
Inventors:
TANAKA YUTA
ISHII KOTA
HIROSAWA SAWAKO
IIZUKA JIRO
ISHII KOTA
HIROSAWA SAWAKO
IIZUKA JIRO
Application Number:
JP2017181548A
Publication Date:
April 11, 2019
Filing Date:
September 21, 2017
Export Citation:
Assignee:
SANDEN AUTOMOTIVE COMPONENTS CORP
International Classes:
F04C18/02; F01C1/02; F01C19/02; F01C21/18; F04C27/00; F04C29/00; F04C29/02
Domestic Patent References:
| JP2017014999A | 2017-01-19 | |||
| JP2007285187A | 2007-11-01 | |||
| JP2016156310A | 2016-09-01 | |||
| JP2001304155A | 2001-10-31 |
Foreign References:
| EP3091231A1 | 2016-11-09 | |||
| US20140093413A1 | 2014-04-03 | |||
| DE102013021249A1 | 2015-06-18 |
Attorney, Agent or Firm:
Moriaki Ogawa
Haruyuki Nishiyama
Shoichi Okuyama
Mitsuji Sekiya
Haruyuki Nishiyama
Shoichi Okuyama
Mitsuji Sekiya