Two speed gearbox

Details Two speed gearbox Two speed gearbox

2005-08-30

2005-08-30

Wright, Dirk (Department: 3681)

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Orbit braked

Reexamination Certificate

active

06935986

ABSTRACT:
A two speed gear box including a casing that is rotatably supported by a central planetary gear carrier. The two speed gear box further includes a central mounted planetary gear assembly with a ring gear controlled by a low speed clutch and a sun gear controlled by a high speed clutch that cooperate to provide three modes of operation for the output shaft with respect to a drive axle. The three modes of operation include a neutral mode, a high speed mode and a low speed mode. Selective engagement and disengagement of the low speed and high speed clutches provide for selection of one of the modes of operation.

REFERENCES:
patent: 5024636 (1991-06-01), Phebus et al.

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