Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1982-09-08
1985-01-01
Dolinar, Andrew M.
Internal-combustion engines
Charge forming device
Fuel injection system
123325, 123482, 123493, 361152, F02D 500
Patent
active
044911130
ABSTRACT:
A current regulator is proposed for use in an electronically controlled, continuously operating gasoline injection system, with the aid of which a control element can be supplied with different current values depending upon the operating states of the engine. In addition to a current regulating phase during active operation, it is possible with the proposed current regulator to reverse the direction of current flow in the control element for the sake of blocking the supply of fuel during overrunning. Towards this end a circuit apparatus links signals relating to rpm, throttle valve position and temperature. Furthermore two safety circuit arrangements are proposed for the current regulator, so that in case of a failure of important components there is no impairment of safety, and emergency operation is assured.
REFERENCES:
patent: 3465731 (1969-09-01), Bassot et al.
patent: 3570460 (1971-03-01), Rabus
patent: 3981288 (1976-09-01), Wessel
patent: 4154198 (1979-05-01), Hoshi
patent: 4180026 (1979-12-01), Schulzke et al.
patent: 4300508 (1981-11-01), Streit et al.
patent: 4354472 (1982-10-01), Knapp et al.
Gassler Hermann
Joos Eugen
Jundt Werner
Kubach Hans
Singer Erich
Dolinar Andrew M.
Greigg Edwin E.
Robert & Bosch GmbH
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