Gaseous fuel burner with reduced velocity flame generating ports
CA 2198760 A1 · Owner: Eaton Corporation · Inventors: Krueger, Donald Martin; Oda, Kenneth Jo; Kwiatek, David Joseph
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A cast aluminum burner base has a tubular inlet communicating with a cavity formed in an enlarged diameter flange remote from the inlet. The cavity is closed by a cast aluminum cap registered against the base. The base and cap are each castellated along the parting line such that the castellations are interdigitated. Grooves having semi-circular cross sections and formed radially across the castellations and the spaces between and close on the parting line to form circular cross section primary primary-generating ports. The castellations on the cap are truncated and tapered to provide flame stabilizing passages adjacent alternate flame-generating ports. The grooves forming the primary flame …
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
- Filed February 27, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 27, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 27, 2019.
- 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.