Rotary hydrostatic machines or transmissions

Details Rotary hydrostatic machines or transmissions Rotary hydrostatic machines or transmissions

1987-08-20

1989-07-04

Look, Edward K.

Power plants

Pressure fluid source and motor

Input pump and rotary output motor system having...

60489, 91498, F16D 3900

Patent

active

048438189

ABSTRACT:
A hydrostatic machine including a casing 1 containing a rotary member 12 having radial cylinders 20 each with a piston 21 engaging a track ring 23. Both input 6 and output shafts 7 are connected either hydraulically through the transmission rotary members 12 or mechanically through a bypass shaft 10 and clutch 50 for reducing machine heat losses. Hydraulic ram 106,110 assistance for cushioning out pressure transients when transmission power returns from mechanical to hydraulic. Internal oil ducts 72,80.90 included for providing further temperature control for the main internal transmission component parts 14.24 said ducts 72,80,90 feed from a auxiliary fluid pump 8,9.

REFERENCES:
patent: 1266606 (1918-05-01), Manly
patent: 2818707 (1958-01-01), Sturm
patent: 3521449 (1970-07-01), Speggiorin
patent: 3740953 (1973-06-01), Mori
patent: 4091717 (1978-05-01), Bojas et al.
patent: 4458486 (1984-07-01), Baker
patent: 4635535 (1987-01-01), Thoma et al.
patent: 4679396 (1987-07-01), Heggie

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