Differential gear

Details Differential gear Differential gear

1999-04-14

2000-09-19

Marmor, Charles A

Planetary gear transmission systems or components

Differential planetary gearing

With additional gearset between differential output and load

475205, 475221, 475231, F16H 4806

Patent

active

061204072

ABSTRACT:
The present invention aims at realizing with a simple structure a differential gear capable of arbitrarily producing a difference in speed of rotation between output side rotary members. When a difference in speed of rotation occurs between drive shafts 3 and 4, if clutches 12 and 17 are disconnected, a first input side sun gear 8 and a first output side sun gear 9 are allowed to rotate at arbitrary speed ratios independently of each other due to the rotation and the revolution of first planetary gears 10, besides a second input side sun gear 13 and a second output side sun gear 14 are allowed to rotate at arbitrary speed ratios independently of each other due to the rotation and the revolution of second planetary gears 15. When the first clutch 12 for example is brought into connection, the revolution of the first planetary gears 10 is controlled. Thus, by setting appropriately the gear ratio between the sun gears 8, 9 and gears 10a, 10b of the first planetary gear 10, the drive shaft 3 on one hand is allowed to rotate faster than the drive shaft 4 on the other.

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