Patent · US Expired

Aggregate for feeding fuel from supply tank to internal combustion engine of motor vehicles

US5435691A · kind A · utility

11Cited by

7References

14Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Hans-Peter Braun · Sulz am Neckar, DE
Willi Strohl · Beilstein, DE

Key dates

Filing date	Nov 5, 1993
Grant date	Jul 25, 1995
Priority date	—
Expiry date	Nov 5, 2013

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02M37/18
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

Aggregate for feeding fuel from a supply tank to an internal combustion engine of a motor vehicle, has a multi-stage feed pump including a pre-feeding pump stage and at least one subsequent feeding pump stage located at the pre-feeding pump stage as considered in a feeding direction. The pre-feeding pump stage has a rotatably driven feeding element provided with at least one feeding member and is formed so that it feeds fuel with the use of a dynamic pressure effect in at least one feeding member. The feeding member is open in a peripheral direction of the feeding element.

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