Windmill utilizing a fluid driven pump

Details Windmill utilizing a fluid driven pump Windmill utilizing a fluid driven pump

2011-04-26

2011-04-26

Ponomarenko, Nicholas (Department: 2839)

Prime-mover dynamo plants

Fluid-current motors

Wind

C290S044000, C060S398000

Reexamination Certificate

active

07932620

ABSTRACT:
A windmill apparatus includes tower, a tower-mounted hydraulic pump driven by windmill blades, and hydraulic lines connected to a ground storage tank and to a number of separate generator units. Each generator unit includes a hydraulic pump and an electrical generator. In operation, upon startup, as the wind propels the propeller-driven pump the hydraulic fluid circulates freely until a pre-set pressure is achieved, upon which a diverter valve diverts all the fluid pressure to the first generator unit. When the first generator unit is powered sufficiently to achieve a stable output voltage, a subsequent one of the remaining generator units is powered up until its output voltage is stabilized, with this process continuing as long as there is a surplus of hydraulic power available to power up additional units to take full advantage of all of the available wind power.

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