Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1992-03-30
1993-04-13
Argenbright, Tony M.
Internal-combustion engines
Charge forming device
Fuel injection system
123 9011, 123478, 36443111, F01L 904, F02D 4304, F02D 4122
Patent
active
052012964
ABSTRACT:
A control system for an internal combustion engine having a plurality of cylinders and a rotatable crankshaft. Each cylinder has an electronically actuatable intake valve, exhaust valve and fuel injector. The control system includes a sensor which monitors the rotation of the crankshaft and responsively produces a crankshaft pulsetrain. A computer produces operator parameter signals. The operator parameter signals including one of a plurality of operating modes of the engine. A first microprocessor receives the crankshaft pulsetrain, responsively determines the speed of the engine and produces a signal representative of the determined engine speed. A second microprocessor receives the operator parameter signals and the engine speed signal, responsively determines valve and injection events for each cylinder to responsively achieve the one engine operating mode. The second microprocessor produces signals representative of the determined valve and injection events.
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Proposal for Magnavox Electronic Valve System, published Nov. 15, 1988, Ser. No. MX-18-145.
Davis Errol W.
Deiri Mohamad Z.
Penick Ronald J.
Schmidt Larry E.
Wunning John J.
Argenbright Tony M.
Caterpillar Inc.
Masterson David M.
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