Planet wheel power divider for motor vehicles

Details Planet wheel power divider for motor vehicles Planet wheel power divider for motor vehicles

1987-01-15

1988-02-02

Wright, Dirk

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74674, 74714, 180247, 180248, F16H 3706, F16H 142

Patent

active

047222468

ABSTRACT:
A planet-wheel power divider operates with a planet carrier and other transmission members in the form of three central wheels, with an input shaft connected to one central wheel, with an output shaft drivingly connected to one central wheel, with an output shaft drivingly connected to one of the other three transmission members and arranged centrally relative to the main axis. A second coaxial output shaft in the form of a hollow shaft is used to drive a parallel auxiliary drive shaft and can be coupled alternately to two of the three transmission members by shiftable clutches. A main planet meshes with an auxiliary planet and an outer central wheel, used for the constant connection to the input shaft, and an inner central wheel meshes with the main planet and a further inner central wheel meshes with the auxiliary planet.
So that the power divider can be shifted under load to change the torque distribution to the output shafts and to ensure the same torque direction on both output shafts, the hollow shaft is connected to the planet carrier and to the inner central wheel meshing with the main planet by means of respective frictional clutches shiftable under load and the central output shaft is connected to the inner central wheel which meshes with the auxiliary planet.

REFERENCES:
patent: 3383953 (1968-05-01), Christenson
patent: 3492890 (1970-02-01), Hill et al.
patent: 3908775 (1975-09-01), Van Fossen
patent: 4074591 (1978-02-01), Dick
patent: 4353270 (1982-10-01), Falzoni
patent: 4458557 (1984-07-01), Hayakawa
patent: 4650202 (1987-03-01), Tsuzuki

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