Plate heat exchanger
CA 1134809 A · Owner: Alfa-Laval, Inc. · Inventors: Ekelund, Rolf; Sundlof, Rolf; Skoog, Malte
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure In a heat exchanger comprising a plurality of plates stacked together to define between them passages for two mutually heat exchanging fluids, at least one passage is bounded by a heat exchanging plate on only one side. In order to adapt the flow to the heat exchanging area, said one passage presents a higher flow resistance than the other passages for the same fluid.
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 November 2, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 2, 1999.
- 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.