Patent · US Expired

Fuel supply system of an internal combustion engine

US6431149B1 · kind B1 · utility

12Cited by

7References

6Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Helmut Schwegler · Pleidelsheim, DE
Martin Maier · Asperg, DE

Key dates

Filing date	Nov 9, 2000
Grant date	Aug 13, 2002
Priority date	—
Expiry date	Nov 9, 2020

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02M2200/9015
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A fuel supply system of an internal combustion engine that has fuel injection is described. The fuel supply system has a fuel rail, from which injectors are supplied with fuel via valve seats. The damper element has an elastic tubular body arranged in the fuel rail. The tubular body sealingly separating an inner fuel chamber, through which fuel flows, from an outer fuel chamber, through which fuel flows and which is connected to the valve seats. Walls of the tubular body are made of an elastic material. The elastic tubular body is arranged upstream of a pressure regulator.

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