Boiler
CA 1254458 A · Owner: Proizvodstvennoe Obiedinenie Po Proektirovaniju, Naladke, Modernizatsii I Remontu Energeticheskogo Oborudovania "Tsentroenergotsvetmet" · Inventors: Petrov, Vladimir K.; Antonov, Vasily A.; Zhilin, Alexandr S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A boiler whose gas duct has tubular heating surfaces arranged therein downstream the exhaust gas flow which are made as screens. The collector of each screen is connected by a kinematic linkage with two carrying beams, each carrying beam being kinematically connected with a supporting beam of the boiler framework. Two carrying beams are connected to each other by transverse beams in order to form at least two frames each frame carrying at least two screens. The kinematic linkage of each collector with the carrying beams is by means of two tie-rods, each rod having one end hinged with the carrying beam and the other end hinged to the collector. This invention can be used to advantage in …
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 May 23, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 23, 2006.
- 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.