Plate heat exchanger
CA 1290743 C · Owner: Bergqvist, Jan-Ove · Inventors: Nilsson, Ebbe; Andersson, Jarl; Bergqvist, Jan-Ove
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a kind of plate heat exchanger (1) comprising several heat exchange plates (2 2D), which are, arranged between a frame plate (3) and a pressure plate (4) and are supported by a lower carrying bar (7) said lower carrying, bar (7) and an upper guiding bar (6 6B) extending through, recesses (18) in lower and upper parts respectively, of the, heat exchange plates (2 2D), and at least the upper part of, each heat exchange plate (2 2D) being provided with at least, one lug (19 20) extending into the upper recess (18) and forming an upper constriction of it for retaining of the heat exchange plate (2, 2D) in position on the guiding bar (6 6B). According to the …
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 October 15, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 15, 2008.
- 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.