Gas turbine arrangement
CA 2086184 A1 · Owner: Frutschi, Hansulrich · Inventors: Hellat, Jaan; Frutschi, Hansulrich
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a gas turbine arrangement having a plurality of independent pressure stages, with or without an integrated steam process, which is extended by an air cell cavern ammonia is injected into the waste gases downstream of the first turbine and the first heat generator and upstream of a second heat generator. The location of this injection ensures that the so-called selective nitrogen conversion becomes effective when a temperature window of 800 - 900 degrees Celsius is present. By means of a purposeful caloric, preparation of the hot gases and appropriate design of the high-pressure turbine, the temperature window is made available at which NOx emissions can be minimized by means of injecting …
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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 23, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 23, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 23, 2014.
- 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.