Patent · US Active

Method for regulating a common-rail injector

US9995240B2 · kind B2 · utility

0Cited by

1References

9Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Ralph Kober · Schwieberdingen, DE
Holger Rapp · Hemmingen, DE
Fabian Fischer · Baden, CH
Marco Beier · Leonberg, DE
Stefan Stein · Saulheim, DE

Key dates

Filing date	Feb 19, 2015
Grant date	Jun 12, 2018
Priority date	—
Expiry date	Feb 19, 2035

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/40
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A method for regulating a common rail injector, the method including acquiring a signal of a sensor, which signal is proportional to a pressure in a valve space of the common rail injector; evaluating a change in the signal over time in order to detect at least one operating event of the common rail injector; and modifying at least one operating variable of the common rail injector as a function of the at least one operating event, the at least one operating variable being selected from an opening duration, a closing duration, an opening point in time, and a closing point in time of a switching valve of the common rail injector, and from an opening duration, an opening point in time, and a closing point in time of a needle valve of the common rail injector.

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