Hydrostatic/direct drive transmission system and associated meth

Details Hydrostatic/direct drive transmission system and associated meth Hydrostatic/direct drive transmission system and associated meth

1999-06-02

2000-10-31

Marmor, Charles A

Planetary gear transmission systems or components

Fluid drive or control of planetary gearing

Pump and motor in series with planetary gearing

475 80, 74664, F16H 4704

Patent

active

061394580

ABSTRACT:
The transmission system and associated method includes a drive shaft having a first input connected in rotatable communication with an output of a hydrostatic drive, and a second input adapted for connection in rotatable communication with a clutch selectably engageable with an engine for rotating the drive shaft therewith. The hydrostatic drive is selectably operable in at least a first drive mode for rotatably driving the drive shaft within a first or low rotational speed range, in a second drive mode for rotatably driving the drive shaft within a second or low-to-mid rotational speed range, and in a neutral mode for allowing the engine to directly drive the drive shaft when the clutch is engaged.

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