Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1980-09-24
1982-08-10
Lazarus, Ira S.
Internal-combustion engines
Charge forming device
Fuel injection system
123458, 123472, F02M 5702
Patent
active
043432808
ABSTRACT:
A valving arrangement is disclosed for varying the quantity and timing of fuel injections of a jerk pump (10) associated with an internal combustion engine. The arrangement consists of a bypass valve (40) in communication with the injection chamber (22) of the jerk pump (10) which produces a controlled bypass of fuel rather than being delivered through the injector delivery valve (42) to the engine cylinders. The bypass valve (40) in turn is controlled by a solenoid-operated three-way pilot valve (88) which causes pressurizing or venting of an operating chamber (84) adjacent a bypass valve operator piston (80). The three-way pilot valve (88) in turn is controlled by the fuel system electronic controls (98) to control the timing and volume of fuel charge delivered by the jerk pump (10) in each injection cycle.
REFERENCES:
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patent: 4211202 (1980-07-01), Hafner
Benefiel John R.
Eifler Raymond J.
Lazarus Ira S.
Moy Magdalen
The Bendix Corporation
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