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. 21, 1992
Filed:
Dec. 13, 1990
Applicant:
Inventors:
Assignee:
Aisan Kogyo Kabushiki Kaisha, Obu, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B / ; F04B / ; F04B / ; H01R / ;
U.S. Cl.
CPC ...
4174237 ; 41742314 ; 417366 ; 310245 ;
Abstract
A motor-driven fuel pump including a cylindrical housing; a pump section fixedly mounted at one end portion of the housing so as to close the one end portion; a motor section mounted in the housing for driving the pump section; and a cover member fixedly mounted at the other end portion of the housing so as to close the other end portion by caulking an end of the housing; wherein an outer end surface of the cover member projects outwardly from the caulked end of the housing to increase a wall thickness of the cover member without increasing a total length of the housing, whereby a sound from the motor section is reduced.