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Canadian application, no grantCanada

Method of combustion with low acoustics

CA 2225376 A1 · Owner: Snyder, Timothy S. · Inventors: Sowa, William, A.; Snyder, Timothy S.

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

A method of reducing pressure fluctuations in the combustor of a gas turbine engine resulting from the combustion of fuel and air therein comprises combusting a fuel/air mixture in a combustor downstream of the exit plane of a fuel nozzle assembly such that such recirculation zones generated by the fuel nozzle assembly are in spaced relation to the exit plane and the combustion products are isolated from the fuel and air in the mixing zone at all operating conditions of the engine.

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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 December 19, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 19, 2017.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 19, 2019.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 19, 1997
GrantedNo grant recorded
Term endedDecember 19, 2017
Patent numberCA 2225376 A1
Classification (IPC)F23R3/14 +2 more

Timeline

Timeline From CIPO dates

1998200020022004200620082010201220142016Application filedDec 19, 1997Term endedDec 19, 2017

Sources & verification

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