Wind-driven prime mover
Patent 4365935 Issued on December 28, 1982. Estimated Expiration Date: 
December 10, 2000. 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.
December 10, 2000. 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 325025 465681 584986 631982 1266472 1319766 1352952 1364681 1804241 InventorApplicationNo. 06/215112 filed on 12/10/1980US Classes:416/117, Responsive to gravity or working fluid force416/139Including weight bias meansExaminersPrimary: Powell, Everette A. Jr.Attorney, Agent or FirmInternational ClassesF03D 7/06 (20060101)F03D 7/00 (20060101) Foreign Application Priority Data1979-12-12 JPAbstractA vertical type wind-driven prime mover comprises a vertically extending rotative main shaft, a plurality of horizontal support arms radially extending from the main shaft, a rectangular support frame body pivotally connected to the outer end of each of the arms, a rectangular wind receiving plate pivotally connected to each of the support frame bodies so that these plates are swingable only on the same one side of the respective support frame bodies, and a weight attached to each support frame body to maintain the latter substantially vertical until the wind speed reaches a given value. | |
