Process to recover energy form hot gas
CA 2456557 A1 · Owner: Dries, Hubertus Wilhelmus Albertus · Inventors: Dries, Hubertus Wilhelmus Albertus; Wesker, Evert; Ekker, Andreas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Process to recover energy from a gas having a temperature of above 650 ~C and an absolute pressure of more than 1.7 bar and comprising non-solidified alkali containing compounds and particles by performing the following steps: (a)cooling the gas to a temperature of below 550 ~C by means of a shell-tube heat exchanger (6), wherein the hot gas is passed at the shell side and coolant water is passed at the tube side wherein steam is formed, from which , steam energy is recovered (b) separating the particles from the gas by means of one or more sequentially arranged centrifugal separation devices (7 8) to , a dust level of below 400 mg/Nm3 (c) expanding the gas in an expander (13) to …
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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 August 6, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 6, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 6, 2024.
- 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.