Patent · US Active

Method and device for operating a pressure-regulating valve

US9140205B2 · kind B2 · utility

1Cited by

2References

15Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Henning Hermes · Wolfach, DE
Andreas Sommerer · Weingarten, DE
Joerg Nafe · Deckenpfronn, DE
Markus Viereck · Emmendingen, DE

Key dates

Filing date	Dec 7, 2012
Grant date	Sep 22, 2015
Priority date	—
Expiry date	Aug 15, 2033

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02D2200/0602
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A method for operating a pressure-regulating valve of a fuel injection system of an internal combustion engine of, in particular, a motor vehicle; the fuel injection system including a pressure reservoir for storing pressurized fuel, as well as a feed device for delivering fuel to the pressure reservoir; and fuel being removable from the pressure reservoir via the pressure-regulating valve. In an overrun mode of the internal combustion engine, a delivery quantity of fuel delivered to the pressure reservoir by the feed device is set to a value greater than zero, and that a fuel pressure in the pressure reservoir is ascertained.

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