Turbulator construction for a heat exchanger
CA 1285269 C · Owner: Hughes, Dennis R. · Inventors: Hughes, Dennis R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A turbulator construction for a heat exchanger. The turbulator is fabricated from a single sheet of flat metal which is bent in the form of a double helix. When disposed in a heat exchanger tube the, turbulator defines a pair of helical passages. The upstream end of the turbulator is flat and extends diametrically across the tube to divide the tube into a pair of inlet passages of substantially equal area. Each inlet passage communicates with one of the helical passages. In one form of the invention the turbulator, is formed from an elongated rectangular sheet of metal and in the bent condition, the peripheral edges of the helix are spaced from the tube to …
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 June 25, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 25, 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.