Steam generator provided with a combustion chamber or heated by gas
CA 1069000 A · Owner: Sulzer Brothers Limited · Inventors: Frei, Dieter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A steam generator provided with a combustion chamber or gas heated, of the type having a feed water preheater or economizer. A branch-off line equipped with a throttling element communicates a branch-off point between the economizer and the evaporator with the feed water tank. The temperature sensing device near the branch-off point is arranged to govern the amount of feed water flowing through the preheater to prevent steam formation in the economizer. Compared with known prior art, the generator according to the invention improves fuel utilization and is less expensive to produce.
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
- Granted January 1, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 1, 1997.
- 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.