Method for manufacturing heat transfer element sheets for a rotary regenerative heat exchanger
CA 1237272 A · Owner: Air Preheater Company, Inc. (The) · Inventors: Schoonover, John M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Sheets (10a,10b) of heat transfer element (12) for stacking in an element basket (50) of a rotary regenerative heat exchanger are cut in such a manner that the spacing notches (24) formed in the element sheets (10a,10b) cannot nest when the element sheets are arranged in juxtaposition within an element basket (50).
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 31, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 31, 2005.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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.