Patent ID: 6189668
Filing Date: 2001-02-20
Classification: F16D,Y10T

Abstract:
A rotational output control system comprisinga rotatably mounted output shaft;a first gear set including a drive gear wheel rotatable with the output shaft and two driven gear wheels engaged with the drive gear wheel;two rotatably mounted clutches engaged with the two driven gear wheels, respectively, each clutch including a housing, a pump shaft rotatably mounted to the housing, a gear pump in the housing having a first gear wheel rotatably mounted relative to the housing and a second gear wheel engaged with the first gear wheel and rotatable with the pump shaft, and a fluid circuit having an inlet to the gear pump, an outlet from the gear pump and a valve having a first valve element in the fluid circuit to selectively control flow through the circuit;two axle shafts extending from and rotatable with the clutches.