Methods and apparatus for operating gas turbine engines
CA 2548138 C · Owner: General Electric Company · Inventors: Wollenweber, Gary C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A gas turbine engine assembly (10) includes: at least one propelling gas turbine engine (11) includes a fan (14) a core engine (13) downstream from the fan and a plurality of extraction points (124 122, 120); a modulating valve (100) coupled in flow communication to the propelling gas turbine engine; and an auxiliary engine (12) used for generating power. The auxiliary engine includes at least one turbine (44) and an inlet. The inlet is coupled in flow communication with the modulating valve such that a portion of airflow (30) entering the propelling engine is extracted for use by the auxiliary engine and such that the modulating valve controls the flow of airflow (54) from the propelling …
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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 May 25, 2006 and granted July 22, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 25, 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.
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.