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:
Aug. 02, 1983
Filed:
May. 05, 1981
Applicant:
Inventor:
Roberto de Concini, Bologna, IT;
Assignee:
Weber S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B / ; F04B / ;
U.S. Cl.
CPC ...
417310 ; 417366 ; 29597 ;
Abstract
An electrically-operated fuel pump is provided for supplying fuel to the fuel injection system of a spark-ignition I.C. engine. The pump comprises a casing wherein there is located a small electric motor and a rotary pumping assembly. The rotor of the motor is drivingly coupled to the impeller of the pumping assembly. The pump also includes a pressure relief valve for preventing the build up of excessive pressures within the casing, and a non-return valve provided at the pump outlet. The pump casing serves not only as a fuel containment member and a mechanical supporting structure, but also as the magnetic frame of the motor stator.