Anti-stall control

Details Anti-stall control Anti-stall control

G - Physics

05

D

341/39

G05D 17/02 (2006.01) F16H 57/00 (2006.01) F16H 61/46 (2006.01)

Patent

CA 1180791

ANTI-STALL CONTROL Abstract An anti-stall control for use in a system having an engine which drives a pump to supply fluid under pressure to a motor and including means responsive to a control voltage for altering the flow of fluid to the motor. The anti-stall control senses the speed of the engine and generates a voltage proportional thereto, the speed voltage being compared to a reference voltage for Providing a D.C. signal proportional to the speed voltage. A quick dump/slow recovery circuit is responsive to a decrease in the amplitude of the D.C. signal for generating a control voltage which decreases at a fast rate to prevent overloading of the engine, the circuit being responsive to an increase in the D.C. signal for generating a control voltage which increases at a slow rate to improve the stability of the system.

418815

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