Rotary expansible chamber devices – Pressure fluid radially balances working or rotating... – With counterbalancing fluid passage through rotating member
Patent
1985-11-27
1988-11-01
Vrablik, John J.
Rotary expansible chamber devices
Pressure fluid radially balances working or rotating...
With counterbalancing fluid passage through rotating member
418126, 418129, 418132, 418152, 418156, 418189, 418201, F03C 208, F04C 218, F04C 500, F04C 1500
Patent
active
047815523
ABSTRACT:
Hydraulic gear-driven rotary machine (pump or motor) in which the gears are free-floating with no supporting shaft or bearings. Their internal ducts rotate, providing a commutation with the stator ducts. This maintains the hydraulic equilibrium of the gears. A hydrostatic compensating device on the faces of the gears and on their toothing assures internal tightness. The hydraulic gear-driven rotary machine is suitable for operation at very high pressure with hydraulic equilibrium and internal tightness.
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