Power take off torque limiting control system

Details Power take off torque limiting control system Power take off torque limiting control system

1994-08-01

1996-08-27

Bonck, Rodney H.

192 clutches and power-stop control

Clutch and brake

192103F, F16D 6704

Patent

active

055491855

ABSTRACT:
A power take off (PTO) clutch control system is disclosed herein. The PTO clutch is a hydraulic clutch which is operated by a proportional valve capable of pressurizing the clutch with hydraulic fluid at a pressure related to the pulse width of a pulse width modulated (PWM) signal applied to the valve. The PWM signal is produced by a controller which monitors the input and output shaft speeds to determine the pulse width of the PWM signal. The clutch control also includes a brake which inhibits rotation of the clutch output shaft when the clutch is disengaged. The brake is operated by an on/off valve which is also controlled by the controller.

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patent: 4457411 (1984-07-01), Hiramatsu
patent: 4487303 (1984-12-01), Boueri et al.
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patent: 5251132 (1993-10-01), Bulgrien
patent: 5299129 (1994-03-01), Uchida et al.
patent: 5335764 (1994-08-01), Leitner et al.
patent: 5415257 (1995-05-01), Shimamura et al.

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