Burner
CA 1269890 C · Owner: Ishikawajima-Harima Jukogyo Kabushiki Kaisha · Inventors: Shimoda, Hiromi; Saito, Hajime
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fuel supplied through a fuel feed bore of a burner plug and a spray medium supplied through spray medium feed holes thereof are mixed initially in primary mixing chambers in a burner plate and further mixed in a secondary mixing chamber in a burner tip and the fuel mixture thus obtained is sprayed through spray holes of the burner tip. Each of the primary mixing chambers is inclined at a predetermined angle relative to the axis of the burner plate so that the fuel mixture is caused to swirl in a secondary mixing chamber; or the burner plate and the burner tip are so interconnected to each other that the extension of the axis of each primary mixing chamber in the burner plate intersects …
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 5, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 5, 2007.
- 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.