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.

Patent No.:

US 6644936 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 11, 2003

Filed:

Apr. 04, 2002
Applicant:
Inventor:

Shunji Muta, Saitama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 1/20 ;
U.S. Cl.
CPC ...
F04B 1/20 ;
Abstract

The outer diameter &PHgr;d of a top face-side end portion of pistons is made slightly smaller than the outer diameter &PHgr;d of a hollow cylindrical portion of the pistons other than the top face-side end portion . Thus, the tilt load of a top face-side portion of the piston is divided and distributed, and at the same time, lubricating oil is held at the top face-side end portion of the piston


Find Patent Forward Citations

Muta, Shunji. (2003). Swash plate type refrigerant compressor (U.S. Patent No. 6644936). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6644936

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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