Power plants – Pressure fluid source and motor – Methods of operation
Patent
1996-09-19
1998-08-18
Lopez, F. Daniel
Power plants
Pressure fluid source and motor
Methods of operation
60414, 60419, 60451, 60461, 91520, F16D 3102
Patent
active
057944385
ABSTRACT:
A regenerative adaptive fluid motor position feedback control system integrating a load adaptive fluid motor position feedback control system and a load adaptive energy regenerating system having an energy accumulator. The fluid motor control system includes a primary constant displacement pump powering a spool valve controlling a fluid motor accumulating a load related energy, such as a kinetic energy of a mass load of the fluid motor or a compressed fluid energy of the fluid motor-cylinder. The load related energy of the fluid motor is regenerated to provide a load adaptive exchange of energy between the fluid motor and the energy accumulator. This load adaptive exchange of energy is combined with a load adaptive primary energy supply for maximizing the over-all energy efficiency and performance potentials of the fluid motor control. The load adaptability is achieved by regulating the exhaust and supply fluid pressure drops across the spool valve. The regenerative adaptive fluid motor control can be used, for example, for constructing the high energy-efficient, load adaptive motor vehicles and the high energy-efficient, load adaptive hydraulic presses.
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