Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
David L. Sestito0
Sean O. Harnett0
Date of Patent
June 29, 2010
0Patent Application Number
117414750
Date Filed
April 27, 2007
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A clutch actuator for an electromechanical clutch having a solenoid actuating coil initially provides power to the solenoid at a high rate by using a high duty cycle pulse with a modulated controller. When the initial engagement of the clutch elements is sensed by a decrease in current, the duty cycle of the pulse with modulator is reduced and thereafter increased in a control fashion to accomplish a soft start.
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