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:
Mar. 13, 1979
Filed:
May. 31, 1977
Applicant:
Inventors:
Rolf Ade, Bietigheim-Bissingen, DE;
Hans Prohaska, Bietigheim-Bissingen, DE;
Eckhardt Schmid, Guglingen, DE;
Assignee:
ITT Industries, Inc., New York, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B / ;
U.S. Cl.
CPC ...
417366 ; 417372 ;
Abstract
An automotive fuel pump having a return channel from the pressure side to the suction side thereof, comprising an opening in the housing independent of the outlet channel and opening to the inlet channel. The return channel is located in the area of the pressure side armature bearing. This construction enables elimination of gas bubble formation when the fuel being pumped is warmed.