Hydraulic/mechanical transmission

Details Hydraulic/mechanical transmission Hydraulic/mechanical transmission

1995-08-28

1998-07-28

Ta, Khoi Q.

Planetary gear transmission systems or components

Fluid drive or control of planetary gearing

Fluid pump and motor in one of plural paths to or from...

475 80, 475 82, F16H 372

Patent

active

057856230

ABSTRACT:
A hydraulic/mechanical transmission device for providing variable speed change ratios with a decreased number of parallel shafts and a simplified and compact structure. A hydrostatic continuously variable transmission includes a hydraulic pump 24 with a pump cylinder block 28 and a hydraulic motor 25 with a motor cylinder block 34. An input shaft 9 and first and second output shafts 10.sub.1 and 10.sub.2 of a power dividing device 3 are coaxially disposed. The first output shaft 10.sub.1, is coaxially connected to the pump cylinder block 28 of the hydraulic pump 24. A power collecting shaft 17 is disposed parallel to the first and second output shafts 10.sub.1 and 10.sub.2 and coaxially connected to the motor cylinder block 34 of the hydraulic motor 25.

REFERENCES:
patent: 3675507 (1972-07-01), Takekawa
patent: 4313351 (1982-02-01), Hagin
patent: 4750381 (1988-06-01), Kita et al.
patent: 4813306 (1989-03-01), Kita et al.
patent: 5193416 (1993-03-01), Kanayama
patent: 5230519 (1993-07-01), Nishimura et al.
patent: 5542307 (1996-08-01), Hasegawa et al.
patent: 5544547 (1996-08-01), Ishimaru
patent: 5584772 (1996-12-01), Hayd

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