Patent · US Expired

Fuel injection pump for internal combustion engines

US4850822A · kind A · utility

1Cited by

1References

9Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Josef Guntert · Gerlingen, DE
Walter Hafele · Fellbach, DE
Johann Warga · Bietigheim-Bissingen, DE

Key dates

Filing date	Oct 13, 1987
Grant date	Jul 25, 1989
Priority date	—
Expiry date	Oct 13, 2007

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02M59/44
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

Fuel injection pump for internal combustion engines with at least one pump element and a control slide valve, axially displaceable on the pump piston, and, for fuel control, additionally the twistable pump piston, the control slide valve being secured against self-twisting by a lug, which is guided in a slit-shaped groove of the cylinder sleeve of the pump element.

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