Four speed power transmission

Details Four speed power transmission Four speed power transmission

1997-06-04

1998-11-17

Wright, Dirk

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Plural elements selectively braked

F16H 346

Patent

active

058368507

ABSTRACT:
A simple planetary gearset, a compound pinion planetary gearset, two clutches and two brakes are combined to provide four forward speed ratios and a reverse ratio. One of the clutches provides an input connection while the other provides a planetary interconnection. The two brakes are connected with respective first and second members of the simple planetary gearset while the third member of the planetary is continuously driven by a power input. The compound pinion planetary gearset has one member continuously connected with a power output shaft, a second member connected with the input clutch and the interconnecting clutch, and a third member connected with one of the brakable members of the simple planetary gearset.

REFERENCES:
patent: 5692988 (1997-12-01), Bein et al.

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