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:
Apr. 25, 1989
Filed:
Apr. 29, 1988
Applicant:
Inventors:
Michitoshi Mitsumaru, Osaka, JP;
Keiichi Furukawa, Osaka, JP;
Teruo Ojima, Osaka, JP;
Shiro Sawa, Osaka, JP;
Assignee:
Koyo Seiko Co., Ltd., Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D / ;
U.S. Cl.
CPC ...
4151 / ; 416 60 ; 417362 ; 123 4144 ;
Abstract
A water pump comprising a pump shaft having an impeller and mounted on one end of a pump housing with a seal provided therebetween, a stationary shaft in alignment with the pump shaft and supported at its one end by the other end of the pump housing, a pulley for reeving a belt therearound provided around the outer ring of an antifriction bearing mounted around the stationary shaft within the housing, and a water-tight flange positioned between the seal and the bearing and fixedly provided between the end portion of the pump shaft and the end portion of the pulley.