Hydromechanical torque transmission device

Details Hydromechanical torque transmission device Hydromechanical torque transmission device

1986-08-28

1988-06-07

Michalsky, Gerald A.

Power plants

Pressure fluid source and motor

Input pump and rotary output motor system having...

60487, F15B 1518

Patent

active

047488107

ABSTRACT:
A hydromechanical torque transmission device comprises three coaxial rotatable bodies. These are a driving body, an intermediary body and a driven body. The driving and driven bodies are adapted to be coupled to respective coaxial shafts that are to be coupled together in rotation. A speed correlator system is adapted to maintain the speeds of the driving and driven bodies relative to the intermediary body in a predetermined ratio. The intermediary body comprises a hydraulic circuit. The driving and intermediary bodies define a first pump adapted to cause a flow of fluid in this hydraulic circuit. The intermediary and driven bodies define a second pump also adapted to cause a flow of fluid in the hydraulic circuit. One at least of the first and second pumps has a variable volumetric capacity. The device also comprises means for controlling variations in this variable volumetric capacity.

REFERENCES:
patent: 3404584 (1968-10-01), Trautmann
patent: 3766804 (1973-10-01), Mori
patent: 4109466 (1978-08-01), Keech
patent: 4492541 (1985-01-01), Mallen-Herrero et al.
patent: 4503928 (1985-03-01), Mallen-Herrero et al.

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