F - Mech Eng,Light,Heat,Weapons – 02 – D
Patent
F - Mech Eng,Light,Heat,Weapons
02
D
F02D 13/02 (2006.01) F01L 9/04 (2006.01) F02D 17/02 (2006.01) F02D 41/00 (2006.01) F02D 41/26 (2006.01) F02B 3/06 (2006.01)
Patent
CA 2130914
2130914 9320345 PCTABS00027 A control system (140) for an internal combustion engine (100) having a plurality of cylinders (C1-Cn) and a rotatable crankshaft (110). Each cylinder (C1-Cn) has an electronically actuatable intake valve, exhaust valve (120, 125) and fuel injector (130). The control system includes a sensor (155) which monitors the rotation of the crankshaft (110) and responsively produces a crankshaft pulsetrain. A computer (216) produces operator parameter signals. The operator parameter signals including one of a plurality of operating modes of the engine (100). A first microprocessor (226) receives the crankshaft pulsetrain, responsively determines the speed of the engine (100) and produces a signal representative of the determined engine speed. A second microprocessor (222) receives the operator parameter signals and the engine speed signal, responsively determines valve and injection events for each cylinder (C1-Cn) to responsively achieve the one engine operating mode. The second microprocessor (222) produces signals representative of the determined valve and injection events.
Davis Errol W.
Deiri Mohamad Z.
Penick Ronald J.
Schmidt Larry E.
Wunning John J.
Caterpillar Inc.
Kirby Eades Gale Baker
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