F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
74/134
F16H 3/02 (2006.01) F16H 3/093 (2006.01) F16H 37/04 (2006.01)
Patent
CA 1312222
Abstract of the Disclosure A multi-speed powershift transmission comprising a speed transmission assembly, a range transmission assembly, and a master clutch for selectively connecting the speed and range transmission assemblies. The speed transmission assembly includes a speed input section which is connectable to a driven powershaft and a speed output section which is connected to the master clutch. A cluster gear assembly interconnects the speed input and output sections. The speed input section includes two hydraulically operated clutch assemblies capable of producing two different forward input speed ratios. The speed output section comprises a plurality of clutch operated driven gear assemblies and is capable of producing at least three equally different forward output speed ratios and one reverse output speed ratio. Any of the plurality of driven gear assemblies included in the speed output section are engaged by powershifting through the pair of hydraulically operated clutch assemblies included in the speed input section. The range transmission assembly includes a range input shaft, a transmission output shaft, and a plurality of hydraulically operated clutch actuated gears interposed therebetween for providing at least three different forward speed ranges. A creeper gear arrangement may be further included with the speed transmission assembly. The creeper gear arrangement is capable of producing a third forward input speed ratio.
587487
Cnh America Llc
Gowling Lafleur Henderson Llp
LandOfFree
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