Power plants – Pressure fluid source and motor – Input pump and rotary output motor system having...
Patent
1984-08-21
1986-10-14
Chambers, A. Michael
Power plants
Pressure fluid source and motor
Input pump and rotary output motor system having...
60489, 91505, F16D 3900
Patent
active
046164782
ABSTRACT:
A rotatable hydrostatic transmission is formed by a hydraulic pump and a hydraulic motor which are coupled coaxially together. The pump and motor both have housing members and shaft members which are independently rotatable relative to a mounting structure. One member of the pump is rigidly coupled to one member of the motor, and the coupled members rotate together as a unit. The other member of the pump is an input and the other member of the motor which is not rigidly coupled is the output member. Reduction gearing is provided between the coupled members and the output member. A fluid flow control means provides an infinitely adjustable control of fluid through the pump and the motor and allows the speed of rotation of the driven output member to be varied in infinitely adjustable fashion. A direct drive can be achieved by disengaging the reduction gearing so that the shafts and housings of both the pump and motor will all turn at the same speed as if they were one single unit. A reverse rotation of the driven output member can be achieved by reversing fluid flow while preventing the rigidly coupled members from rotating.
REFERENCES:
patent: 1274391 (1918-08-01), Davis
patent: 1539616 (1925-05-01), Williams
patent: 1910054 (1933-05-01), Rayburn
patent: 2570843 (1951-10-01), Orshansky, Jr.
patent: 2687049 (1954-08-01), Ebert
patent: 3131539 (1964-05-01), Creighton et al.
patent: 3616726 (1971-11-01), Ruger
Chambers A. Michael
Thomas Charles H.
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