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Expired Canadian patentCanada

Process for assembling a turbine engine

CA 2557104 C · Owner: Leeder, Laurent · Inventors: Malterre, Jacques Pierre Felix; Leeder, Laurent; Bergerot, Francois Pierre Andre

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 invention pertains to an assembly process for a turbine engine specifically a gas turbine engine, including at least a first and second module a second shaft (101) assembled by a bearing (120) the said bearing (120) comprising an outer ring (123) mounted by cold clamping inside a trunnion (111) secured to the first module and an inner ring (121) secured to the second shaft (101) according to which the second module is assembled onto the first module by the second shaft engaging the said inner ring (121) inside the trunnion comprising the said outer ring characterised by the fact that it includes the following steps: - docking the second module to the second shaft (101) to a …

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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

  • Filed August 23, 2006 and granted May 20, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 23, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • 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 23, 2006
GrantedMay 20, 2014
Term endedAugust 23, 2026
Patent numberCA 2557104 C
Classification (IPC)F02C7/20 +2 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedAug 23, 2006Patent grantedMay 20, 2014Term endedAug 23, 2026

Sources & verification

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