Patent · US Expired

Fuel supply assembly for a motor vehicle

US5090883A · kind A · utility

6Cited by

6References

1Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Lothar Krauter · Bietigheim-Bissingen, DE
Hermann Nusser · Markgröningen, DE
Peter Schelhas · Stuttgart, DE
Rainer Schillinger · Glückstadt, DE
Dietrich Trachte · Leonberg, DE
Ulrich Kemmner · Sachsenheim, DE

Key dates

Filing date	Jan 22, 1991
Grant date	Feb 25, 1992
Priority date	—
Expiry date	Jan 22, 2011

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF04C29/0021
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A fuel supply assembly for feeding fuel to an internal combustion engine and comprising a gear pump that includes a ring gear having inner teeth, and a pinion arranged eccentrically with respect to said ring gear and having outer teeth meshing with the inner teeth of the ring gear and defining therewith expanding and contracting chambers during operation of the pump, the pump further including an outer support element for movably supporting the ring gear and including a supporting surface which engages a portion of the outer surface of the ring gear and is located radially outside of a discharge opening of the pump.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.