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.:
Date of Patent:
Jul. 10, 2001
Filed:
Jun. 25, 1999
Applicant:
Inventors:
Assignee:
Sanden Corporation, Gunma, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 2/500 ;
U.S. Cl.
CPC ...
F04B 2/500 ;
Abstract
In a swash plate type compressor in which a shoe (,) is interposed between a swash plate (,) and a reciprocally movable piston (,), a concave curved surface (,) is made at an end of the piston to have an elliptical portion with an elliptical shape in cross section. The shoe has a convex spherical surface inserted into the concave curved surface and reciprocally moves the piston in accordance with a rotation of the swash plate.