Patent · US Expired

Fuel-feed unit

US6095771A · kind A · utility

9Cited by

9References

11Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Peter Schelhas · Stuttgart, DE
Lothar Krauter · Bietigheim-Bissingen, DE
Dietmar Schmieder · Markgröningen, DE
Harald Lang · Markgröningen, DE

Key dates

Filing date	Aug 29, 1997
Grant date	Aug 1, 2000
Priority date	—
Expiry date	Aug 29, 2017

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF05C2203/08
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

The invention relates to a unit for conveying fuel from a supply tank to the internal combustion engine of a motor vehicle, having an electric drive motor and a flow pump (11), driven by it, which has a pump housing (16, 21) permanently connected to the unit housing (32) and forming a pump chamber (17), in which housing conveying means (12) moved by the drive motor revolve, wherein an insert (51) of wear-resistant material is disposed on the at least one housing part (16, 21) that defines the pump chamber (17), the insert forming at least part of a chamber wall (18, 19) which defines the pump chamber (17) in the direction of the axis of rotation (15) of the conveying means (12).

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