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1. CA2288096 - MULTI- RANGE HYDROMECHANICAL TRANSMISSION

Oficina Canadá
Número de solicitud 2288096
Fecha de la solicitud 24.04.1998
N.º de publicación 2288096
Fecha de publicación 05.11.1998
Tipo de publicación A1
CIP
F MECANICA; ILUMINACION; CALEFACCION; ARMAMENTO; VOLADURA
16
ELEMENTOS O CONJUNTOS DE TECNOLOGIA; MEDIDAS GENERALES PARA ASEGURAR EL BUEN FUNCIONAMIENTO DE LAS MAQUINAS O INSTALACIONES; AISLAMIENTO TERMICO EN GENERAL
H
TRANSMISIONES
47
Combinaciones de una transmisión mecánica con acoplamientos hidraúlicos o transmisión por fluido
02
siendo la transmisión por fluido del tipo volumétrico
04
siendo la transmisión mecánica del tipo de órganos de movimiento orbital
F16H 47/04
CPC
F16H 47/04
Solicitantes GENERAL DYNAMICS LAND SYSTEMS, INC.
Inventores LARKIN, ROBERT FRANCIS
Datos de prioridad 09058784 13.04.1998 US
60/044,326 25.04.1997 US
Título
(EN) MULTI- RANGE HYDROMECHANICAL TRANSMISSION
(FR) TRANSMISSION HYDROMECANIQUE A PLAGES MULTIPLES
Resumen
(EN)
A multi-range, synchronous shifting, hydromechanical transmission for application in an automotive drivetrain. The transmission receives split power inputs from the engine; one input being geared down (28) to a lower speed for driving a continuously variable hydrostatic transmission unit (22), while the other input drives a counter shaft (46) from which mechanical outputs (34) are taken at different speed ratios. A planetary gear set (58), driven by the hydrostatic transmission unit (22), is shiftable to provide either a low continuously variable speed hydrostatic output, suitable for transmission operation in low output ranges or a high continuously variable speed hydrostatic output, suitable for transmission operation in high output ranges. A gear system (32) includes a plurality of gearsets selectively controlled by clutches and brakes to combine the hydrostatic and the mechanical outputs to produce four continuously variable forward ranges and one continuously variable reverse range.