Self-locking differential gearing

Details Self-locking differential gearing Self-locking differential gearing

1989-03-27

1990-08-21

Diehl, Dwight

Planetary gear transmission systems or components

Differential planetary gearing

Spur gear differential

F16H 142

Patent

active

049502158

ABSTRACT:
A differential gearing, in which the torque introduced via an input shaft is distributed equally to two driven shafts, is constructed as a spur gear differential and has a pinion arrangement as the locking mechanism in which the pinions and spur gears work as geared pumps. The pump moment is directly the locking moment, with the hydrostatic pressure developed being reduced by precisely dimensioned clearances without any further control devices being required. A special arrangement of the pinions in a housing guarantees an equal locking moment in both directions of rotation.

REFERENCES:
patent: 1229548 (1917-06-01), Van Sant et al.
patent: 2269734 (1942-01-01), Powell
patent: 2788679 (1957-04-01), Mott
patent: 2972265 (1961-02-01), Walter
patent: 3251244 (1966-05-01), Nickell
patent: 3375735 (1968-04-01), Saari
patent: 3706239 (1972-12-01), Myers
patent: 3738192 (1973-06-01), Belansky
patent: 3768336 (1973-10-01), Wharton
patent: 4272993 (1981-06-01), Kopich
"Zahnradgetriebe", (Johannes Looman, Konstruktionsbucher, vol. 16, Springer-Verlag), pp. 218-219.

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