Controlling device for a fuel-quantity adjusting member of a fuel injection pump

Patent · Tue Nov 03 04:00:00 EST 1987

OSTI ID:5685293

Eheim, F; Hofer, G; Konrath, K; Straubel, M

This patent describes a controlling device for a fuel-quantity adjustment element of a fuel injection pump including an adjusting lever pivotable around a shaft. The adjusting lever is coupled with a fuel-quantity adjusting element, a drag lever pivotable around the shaft of the adjusting lever. The drag lever communicates with the adjusting lever by way of a coupling element. An adjustable governor spring assembly is arranged to act on the drag lever, a stop for stopping the drag lever, further including a device for generating rpm-dependent force transmittable to the drag lever by means of an actuating element thereof and counter to the governor spring assembly, whereby the drag lever and the adjusting lever are coupled for movement together at least at the end of each relative movement effected by the actuating element. The actuating element acts directly upon the drag lever and the adjusting lever during deflection by way of a predetermined relative adjustment distance between the drag lever and the adjusting lever for adjustment by the actuating element, at least one spring arranged between the adjusting lever and a fixed support. At least one spring acts on the adjusting lever to force the adjusting lever into contact with an adjustable stop which is adjustable in dependence from the operating parameters of the combustion engine.

• Assignee: Robert Bosch GmbH, Stuttgart
• Patent Number(s): US 4703730
• OSTI ID: 5685293
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
ACTUATORS
CONTROL EQUIPMENT
ENGINES
EQUIPMENT
FUEL INJECTION SYSTEMS
FUEL SYSTEMS
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
MACHINE PARTS
OPERATION
PUMPS
SPRINGS