Ring-shaped turbine engine combustion chamber with improved internal attachment clamp
CA 2500762 C · Owner: Hernandez, Didier · Inventors: Bes, Martine; Lepretre, Gilles; Trahot, Denis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An annular combustion chamber for a turbomachine comprises inner (4a) and outer annular walls united by a transverse wall the inner and outer walls are extended at their downstream ends by inner (18) and outer fastener flanges for fastening respectively to inner (2a) and outer shells of a turbomachine casing in order to hold the combustion chamber in position the inner flange (18) being provided with a plurality of holes for feeding cooling air to a high pressure turbine of the turbomachine the air feed holes through the inner flange (18) being distributed circumferentially over at least two rows (26a 26b) disposed in a staggered configuration.
Read the whole patent
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 March 23, 2005 and granted September 25, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 23, 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.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.