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Expired Canadian patentCanada

Rotor for a wind-driven generator

CA 1266004 C · Owner: Kling, Mauricio · Inventors: Heinz, Alberto Kling

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The present invention refers to a rotor for a fluidkinetic machine comprising a rotatably supported hub the support being provided with axial bearing means an outer ring which is indirectly supported on said hub and rotor blades which are arranged in an area between said hub and said outer ring. In order to provide a possibility of utilizing the influence of the gyroscopic effects, which occur during operation of the rotor for, the purpose of stabilizing the rotor it is suggested, in accordance with the invention that the outer ring should be composed of a plurality of arcuate sections in the circumferential direction and should be arranged essentially in the plane of rotation of the axial …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted February 20, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 20, 2007.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 8, 1986
GrantedFebruary 20, 1990
Term endedFebruary 20, 2007
Patent numberCA 1266004 C
Classification (IPC)F03D1/06

Timeline

Timeline From CIPO dates

1987199019931996199920022005Application filedAug 8, 1986Patent grantedFeb 20, 1990Term endedFeb 20, 2007

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.