Regenerator
CA 2075889 A1 · Owner: Taut, Ulrich · Inventors: Streuber, Christian; Taut, Ulrich; Kalfa, Horst
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A regenerator, for example, in a hot-blast stove or a heat accumulator in a solar system, with an accumulator core (1) that is built up from ceramic or metal or natural material and which is used to accumulate "sensible" heat. The accumulator core (1) is acted upon by a hot charging flow on one "hot" side so as to, become charged, until such time as on the other "cold" side, a, maximally permissible charging flow outlet temperature is reached. In order to be discharged, the accumulator core (1) is acted upon from the other, "cold" side by a cold discharge flow until such time as a minimally permissible discharge outlet temperature is reached on the "hot" side. In order to increase the heat …
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 August 12, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 12, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 12, 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.