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Expired Canadian patentCanada

Combustion chamber assembly having removable center liner

CA 1053917 A · Owner: United Technologies Corporation · Inventors: Ooms, Bertus; Nelson, James C.

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

The combustion section of the gas turbine in comprised of an engine casing receiving compressor discharge air and housing a plurality of combustion chamber assemblies having removable inner center liners. The combustion chamber assemblies are comprised of an outer liner having an end wall in which fuel injectors are mounted and the removable inner center liner extending within the outer liner from the end wall to define an annular combustion chamber space adjacent the end wall.

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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 May 8, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 8, 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—
GrantedMay 8, 1979
Term endedMay 8, 1996
Patent numberCA 1053917 A
Classification (IPC)F02C3/14 +1 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedMay 8, 1979Term endedMay 8, 1996

Sources & verification

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