Planetary gear type differential apparatus

Details Planetary gear type differential apparatus Planetary gear type differential apparatus

1991-11-19

1994-02-01

Braun, Leslie A.

Planetary gear transmission systems or components

Differential planetary gearing

Spur gear differential

475248, F16H 142

Patent

active

052827755

ABSTRACT:
A differential apparatus of planetary gear type comprises an internal gear, and a sun gear on the side of an axle. Each of a plurality of pinion-gear sets has an even number of pinion gears rotated in mesh with each other. Ones of the pinion gears on the outside are in mesh with the internal gear, while the remaining pinion gears on the inside are in mesh with the sun gear. A pinion carrier rotatably supports the pinion gears. A torque is inputted from one of the internal gear and the sun gear. A rotating frictional force between the pinion gears on the torque output side and the pinion carrier is reduced less than those of each of the remaining pinion gears.

REFERENCES:
patent: 2269734 (1942-01-01), Powell
patent: 3343429 (1967-09-01), Frost
patent: 3412632 (1968-11-01), McFiggans
patent: 3768336 (1973-10-01), Wharton
patent: 5078660 (1992-01-01), Williams et al.
patent: 5083987 (1992-01-01), Korner et al.

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