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:
May. 12, 1998
Filed:
Sep. 13, 1996
Applicant:
Inventor:
Yuji Nomoto, Atsugi, JP;
Assignee:
Unisia Jecs Corporation, Atsugi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B / ;
U.S. Cl.
CPC ...
4162 / ; 416185 ; 416188 ;
Abstract
A water pump comprises an impeller including a rotor main body and vanes arranged to protrude from an end face of the rotor main body and disposed radially. Each vane has an inlet portion which faces an inlet port of a housing and has an inner end which is substantially perpendicular to the direction of cooling water flowing from the inlet port to the inner periphery of each vane. The inlet portion of the vane has a circular arc with an inclination angle which is substantially identical to an inflow angle of cooling water.