U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Energy storage and conversion technique and apparatus

Patent 4058979 Issued on November 22, 1977. Estimated Expiration Date: Icon_subject November 22, 1994. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

320482

2112633

2239893

Inventor

Application

No. 05/728857 filed on 10/01/1976

US Classes:

60/327, Methods of operation290/55, Wind60/398, Utilizing natural energy or having a geographic feature60/407, Pneumatic motor with gas supply or removal device60/412Having pump device

Examiners

Primary: Geoghegan, Edgar W.

Foreign Application Priority Data

1975-10-02 FR

Abstract

The kinetic energy of the wind is converted into compressed air which is stored, in a system which maintains a predetermined output pressure, for use in driving a turbine coupled to an electrical power generator. The gas storage system includes two pair of serially connected storage tanks with the first tank in each pair receiving compressed air from wind driven compressors and including a hydraulically actuated piston for use in forcing the air into the second tank. Each of the second tanks of each pair includes a floating piston which will be caused to ascend in response to the delivery of pressurized gas thereto from the serially connected tank including the hydraulically actuated piston and the pressure in each of the second tanks will be maintained by the weight of the floating piston.

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