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Expired Canadian patentCanada

Mount for continuously orienting a collector dish in a system adapted to perform both diurnal and seasonal solar tracking

CA 1081514 A · Owner: National Aeronautics And Space Administration · Inventors: Lawson, Billy D.; Brantley, Lott W.

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Abstract From the Canadian patent

A mount for continuously orienting a collector dish relative to the sun in a system adapted to perform both diurnal and seasonal solar tracking. The mount is characterized by a rigid angulated axle having a linear midportion supporting a collector dish, and oppositely extended end portions normally related to the midportion of the axle and received in spaced journals. The longitudinal axis of symmetry for said midportion of the axle is coincident with a seasonal axis while the axes of the journals are coincident with a diurnal axis paralleling the earth's polar axis. Drive means are provided for periodically displacing the axle about the diurnal axis at a substantially constant rate while …

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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 July 15, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 15, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 21, 1977
GrantedJuly 15, 1980
Term endedJuly 15, 1997
Patent numberCA 1081514 A
Classification (IPC)F24J2/54 +2 more

Timeline

Timeline From CIPO dates

1978198019821984198619881990199219941996Application filedJan 21, 1977Patent grantedJuly 15, 1980Term endedJuly 15, 1997

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