Power transmitting system for a four-wheel drive vehicle
First Claim
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1. A power transmitting system for a four-wheel drive vehicle having an engine comprisinga planetary gear device for transmitting power of the engine to front and rear wheels of the vehicle;
- a torque distribution device including clutch means, said clutch means for continuously changing clutch torque, said clutch means having opposite members operatively connected to two members of the planetary gear device; and
control means for producing a control signal for operating the clutch means so as to change the clutch torque to various plurality of values in accordance with various driving conditions of the vehicle, so as to change distribution of torque transmitted to the front and rear wheels to a plurality of continuously varying torque distributions at the various driving conditions of the vehicle.
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Abstract
A planetary gear device is provided in a power transmitting system. One of the members of the planetary gear device is operatively connected to a front drive shaft and another member is operatively connected to a rear drive shaft. A clutch, the clutch torque of which is continuously changed, is operatively connected to the two members of the planetary gear device. The distribution of torque transmitted to the front and rear wheels is continuously changed by changing the clutch torque in accordance with driving conditions.
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Citations
12 Claims
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1. A power transmitting system for a four-wheel drive vehicle having an engine comprising
a planetary gear device for transmitting power of the engine to front and rear wheels of the vehicle; -
a torque distribution device including clutch means, said clutch means for continuously changing clutch torque, said clutch means having opposite members operatively connected to two members of the planetary gear device; and control means for producing a control signal for operating the clutch means so as to change the clutch torque to various plurality of values in accordance with various driving conditions of the vehicle, so as to change distribution of torque transmitted to the front and rear wheels to a plurality of continuously varying torque distributions at the various driving conditions of the vehicle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification