Patent Yard Sign in
Expired Canadian patentCanada

Solar radiation collection systems

CA 1066975 A · Owner: Aga Aktiebolag · Inventors: Knoos, Stellan

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

Abstract of the Disclosure High efficiency solar radiation collectors may employ a dual flow path relative to heat transfer surfaces of the collector panel. A major air flow is confined beneath the panel, but a subsidiary (bypass) air flow at an angle to the principal air flow is also employed to suppress natural (free) flow convection at an upper side of the panel. Advantageously the subsidiary air flow can be established by perforations in the collector panel and by creation of a suction for the bypass air. High efficiency energy collection particularly, adapted to weak and intermittent radiation environments is, further enhanced by the usage of a collector panel having a low thermal mass …

Read the whole patent

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 November 27, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 27, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedNovember 27, 1979
Term endedNovember 27, 1996
Patent numberCA 1066975 A
Classification (IPC)F24J2/40 +1 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedNov 27, 1979Term endedNov 27, 1996

Sources & verification

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