Windmill mechanism

Details Windmill mechanism Windmill mechanism

1977-06-08

1979-02-27

Croyle, Carlton R.

Power plants

Pressure fluid source and motor

Utilizing natural energy or having a geographic feature

60477, 417328, 417334, 417402, 416171, 91229, F16D 3102, F04B 1702, F04B 3502

Patent

active

041412150

ABSTRACT:
A windmill in which a propeller is directly fixed to the shaft of a rotary hydraulic pump mounted on a cylinder casing rotatably mounted about a vertical axis to the top of a tower. A piston in the cylinder is recicprocated by the hydraulic fluid expelled by the pump to power a reciprocal pump at the base of the tower to which the piston is attached by a lift rod. The piston is fitted with a valve which permits the piston and attached lift rod to freely move on the downstroke through the fluid in the cylinder, with the valve closed during the upstroke of the piston to permit the pressurized fluid below the piston to raise the piston and lift rod.

REFERENCES:
patent: 127942 (1872-06-01), Wheeler et al.
patent: 2110393 (1938-03-01), Edwards
patent: 2408075 (1946-09-01), Kowalski et al.

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