Patent · US Expired

Control device for inactivating an internal combustion engine

US4559914A · kind A · utility

5Cited by

4References

12Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Ulrich Flaig
Hermann Grieshaber · Ingolstadt, DE
Albrecht Sieber · Möhrendorf, DE
Jurgen Wietelmann · Ditzingen, DE

Key dates

Filing date	Jul 20, 1984
Grant date	Dec 24, 1985
Priority date	—
Expiry date	Jul 20, 2004

Classification

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

Abstract

A control device for protecting an internal combustion engine in the case of malfunction of its fuel regulating system is disclosed. The control device includes means which in response to the occurrence of the first braking mode of operation of the engine after start activates a suction or pump connected to the suction chamber of a fuel injection pump. Then the reaction of the engine to the suction pump is tested. If, the engine does not react to a displacement of the control rod of the fuel adjusting mechanism, then an error is present and the engine is either stopped or switched over to an emergency mode of operation. The control device is suitable particularly for a Diesel engine.

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