Hydromechanical transmission with adjunct flywheel

Details Hydromechanical transmission with adjunct flywheel Hydromechanical transmission with adjunct flywheel

1990-07-09

1991-06-18

Herrmann, Allan D.

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, 74880, F16H 4704

Patent

active

050246330

ABSTRACT:
A power transmission has a gear portion, a hydrostatic portion and a flywheel which can be selectively interconnected for transmitting power from an engine to an output shaft. The flywheel can be accelerated by the engine to a predetermined speed to store energy which is used in cooperation with the engine to provide driving power for acceleration of the vehicle. The power transmission has three ranges of operation with the engine in selective combination with the flywheel, gearing and hydrostatic portion. A fourth range is available through the gearing only.

REFERENCES:
patent: 4126200 (1978-11-01), Miller et al.
patent: 4353269 (1982-10-01), Hiersig
patent: 4563914 (1986-01-01), Miller
patent: 4843907 (1989-07-01), Hagin et al.

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