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:
Jun. 11, 1991
Filed:
Apr. 12, 1990
Applicant:
Inventors:
Hiroshi Sakamari, Sakado, JP;
Yukio Horikoshi, Sakado, JP;
Takeshi Jinnouchi, Sakado, JP;
Kenji Tanzawa, Sakado, JP;
Assignee:
Eagle Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04C / ;
U.S. Cl.
CPC ...
418257 ; 418265 ;
Abstract
A vane pump in which a projection is provided on the end of a vane which radially slides as a rotor rotates, and an annular race concentric with an inner peripheral surface of a housing is provided in the inner surface of the end wall of the housing, the projection being brought into engagement with the annular race to control the slide of the vane.