Compact planetary transmission

Details Compact planetary transmission Compact planetary transmission

F - Mech Eng,Light,Heat,Weapons

16

H

F16H 3/44 (2006.01) F16H 3/00 (2006.01)

Patent

CA 2747962

The transmission includes a housing, input and output shafts, and four planetary gear trains each having at least three members including a ring gear, at least one carrier, and a sun gear. The input and output shafts are is continuously interconnected with gear(s) and/or carrier(s). Links continuously interconnect the carrier(s) and/or gears between gear trains. The six torque- transmitting mechanisms are engagable in combinations of two to establish at least seven forward speed ratios and at least one reverse speed ratio between the input shaft and the output shaft.

La présente invention concerne une transmission comprenant un carter, une entrée et des arbres de sortie, et quatre trains d'engrenages planétaires ayant chacun au moins trois éléments comprenant un engrenage annulaire, au moins un élément porteur et un engrenage solaire. L'entrée et les arbres de sortie sont interconnectés en continu avec le ou les engrenages et/ou le ou les éléments porteurs. Les liaisons relient en continu le ou les éléments porteurs et/ou les engrenages entre les trains d'engrenages. Les six mécanismes de transmission de couple peuvent être engrenés dans des combinaisons de deux pour établir au moins sept rapports de vitesse avant et au moins un rapport de vitesse arrière entre l'arbre d'entrée et l'arbre de sortie.

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