F - Mech Eng,Light,Heat,Weapons – 02 – D
Patent
F - Mech Eng,Light,Heat,Weapons
02
D
341/94
F02D 31/00 (2006.01) F02D 11/10 (2006.01) G05D 13/62 (2006.01)
Patent
CA 1129524
C-3102 D-3,363 Abstract of the Disclosure A governor circuit for limiting the maximum speed of an internal combustion engine is effective to minimize overshoot at all ranges of engine accelera- tion. The system includes a circuit responsive to the engine speed which provides control signals to a solenoid valve which, in turn, controls a vacuum actuator which can override a manual throttle control to move the throttle toward closed position when a governed engine speed is approached. A control circuit provides a signal having a lead component and an integrated signal which comprises a stabilizing component and an integrated speed component. The integrated signal is provided by an integrator having a low sensitivity and high gain at low engine accelera- tions and a high sensitivity and low gain at engine accelerations above a predetermined switch point. The resulting control signal controls a duty cycle oscillator which actuates the solenoid valve.
343824
Ely Jeffrey A.
Kibler Roland G.
Madsen Wayne A.
General Motors Corporation
Gowling Lafleur Henderson Llp
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