Pumps – Motor driven – Fluid current motor
Patent
1979-05-14
1981-02-10
Freeh, William L.
Pumps
Motor driven
Fluid current motor
74590, F04B 1702
Patent
active
042498678
ABSTRACT:
A windmill is disclosed having a counterbalancing mechanism which allows it to pump effectively under minimal wind velocity. The windmill includes blades which undergo rotational movement when actuated by the wind, a transmission for converting rotational movement of the blades to reciprocal motion of a pumping rod, a support structure or tower for supporting the blades, transmission, and rod, a counterbalancing mechanism functionally connected to the support structure and rod such that the weight of the rod and liquid column within the well is effectively counterbalanced, and a collar surrounding the rod and supported by the support structure to prevent vibration of the rod during reciprocation. The counterbalancing mechanism may include a pair of rods which are pivotably supported on the supporting structure of the windmill and pivotably mounted to the pumping rod. Weights are attached to the portions of the rods extending exteriorly from the supporting structure. The weights are appropriately positioned with respect to the pivot on the support structure to counterbalance the weight of the pumping rod and liquid column.
REFERENCES:
patent: 455255 (1891-06-01), Konoyer
patent: 716786 (1902-12-01), Terry
patent: 817794 (1906-04-01), McKay
patent: 914385 (1909-03-01), Cotten
patent: 1019142 (1912-05-01), Engle
patent: 1632322 (1927-06-01), Stripling
patent: 2460527 (1949-01-01), Oliveros
patent: 3782222 (1974-01-01), Berggren
Freeh William L.
Springhurst Technologies Corp.
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