The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 19, 2017

Filed:

Jan. 31, 2013
Applicant:

Sanden Corporation, Isesaki-shi, JP;

Inventors:

Tsutomu Ishikawa, Isesaki, JP;

Anri Enomoto, Isesaki, JP;

Yukihiko Taguchi, Isesaki, JP;

Assignee:

SANDEN HOLDINGS CORPORATION, Isesaki-shi, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 27/18 (2006.01); F04B 27/08 (2006.01); F04B 27/10 (2006.01); F04B 53/18 (2006.01);
U.S. Cl.
CPC ...
F04B 27/1804 (2013.01); F04B 27/0891 (2013.01); F04B 27/0895 (2013.01); F04B 27/1045 (2013.01); F04B 53/18 (2013.01); F04B 2027/1831 (2013.01); F04B 2027/1845 (2013.01);
Abstract

Variable displacement compressor, with center borein a center part of cylinder block, includes: first boresupporting plain bearingof drive shaft; second borewith a peripheral wall radially outside of first bore; and third boreconnected to a crank chamber and radially outside of a first bore. A pressure supply pathfor flowing a part of a discharge refrigerant from a discharge chamber to the crank chamber includes: second bore; a first pathcommunicating second borewith the discharge chamber; a second paththat communicates with second bore, and axially extends from one end surface of drive shafttoward the inside of drive shaft; and a third pathsubstantially orthogonal to second pathand opens to an outer peripheral surface of drive shaft, and communicates with the crank chamber.


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