Extended range four speed transmission

Details Extended range four speed transmission Extended range four speed transmission

1974-11-25

1976-04-20

Scott, Samuel

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

F16H 5710

Patent

active

039510107

ABSTRACT:
A planetary transmission having three substantially equal size simple planetary gear sets, two selectively operable clutches and three selectively operable brakes for providing four forward and two reverse speed ranges. The forward and reverse low ranges provide high torque multiplication for high tractive effort while the other forward ranges permit close step ratios for traveling speed operation of the vehicle.

REFERENCES:
patent: 3545304 (1970-12-01), Schmidt et al.
patent: 3823622 (1974-07-01), Mori et al.

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