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Expired Canadian patentCanada

Side-fed shielded internal fuel manifold inlet tube

CA 2764342 C · Owner: Pratt & Whitney Canada Corp. · Inventors: Fish, Jason; Olver, Bryan; Bruno, Vittorio

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

An inlet tube for supplying fuel to a fuel manifold in a gas turbine engine is disclosed. The fuel manifold lies in a plane substantially perpendicular to a central axis of the fuel manifold. The inlet tube includes a tube body defining a central axis extending between an inlet of the tube body and an outlet of the tube body and at least a first and a second fuel channel defined through the tube body between the inlet and the outlet The first and second fuel channels are located side by side within the tube body and outlets of the first and second fuel channels are in fluid communication with the manifold. At least a portion of the tube body is offset from the plane of the fuel manifold.

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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 January 27, 2005 and granted July 22, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 27, 2025.
  • 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.
FiledJanuary 27, 2005
GrantedJuly 22, 2014
Term endedJanuary 27, 2025
Patent numberCA 2764342 C
Classification (IPC)F23R3/28 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedJan 27, 2005Patent grantedJuly 22, 2014Term endedJan 27, 2025

Sources & verification

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