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Expired Canadian patentCanada

Single shaft gas turbine engine with radial exhaust diffuser

CA 1084721 A · Owner: Deere & Company · Inventors: Wood, Homer J.

CIPO record

Overview

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

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Abstract From the Canadian patent

Abstract of the Disclosure, A compact single shaft gas turbine engine includes a radial compressor and a radial turbine mounted for rotation about a central axis and an axially inline disk regenerator disposed forward of the turbine. A highly efficient engine configuration minimizes energy loss along an improved gas flow path while permitting the engine to be mounted on a standard 22 inch wide farming tractor frame. Efficiency is further increased by a radial exhaust diffuser disposed between the regenerator and turbine which does not contribute substantially to engine size.

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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 September 2, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 2, 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.
FiledApril 7, 1976
GrantedSeptember 2, 1980
Term endedSeptember 2, 1997
Patent numberCA 1084721 A
Classification (IPC)F02C3/08 +2 more

Timeline

Timeline From CIPO dates

1977198019831986198919921995Application filedApril 7, 1976Patent grantedSep 2, 1980Term endedSep 2, 1997

Sources & verification

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