Machine element or mechanism – Elements – Gear casings
Patent
1978-01-16
1981-01-27
Braun, Leslie
Machine element or mechanism
Elements
Gear casings
74731, 74732, 74733, 74869, F16H 4704, F16H 4700
Patent
active
042468060
ABSTRACT:
A multi-mode hydromechanical transmission shift system having a hydrostatic unit with at least one variable and reversible displacement component with a displacement control, a plurality of clutches independently operable for setting the mode of operation of the transmission and a control circuit including a plurality of valves for setting the mode of operation and responsive to the position of the displacement control for causing a shift in operation from one clutch to the other to change the mode of operation.
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Pollman Frederic W.
Reynolds David W.
Braun Leslie
Sundstrand Corporation
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