Gas burner convection oven
CA 1114262 A · Owner: Raytheon Company · Inventors: Day, William J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A convection oven in which vapor is circulated through the oven by a pair of counter rotating blowers positioned in the rear of the oven which draw vapor from the oven along with combustion products from a multi-section ribbon burner which has a secondary air passage between the sections and which is positioned below the oven rear wall vapor outlet region and blow the combined vapor and combustion products into the oven adjacent the top surface. The blowers generate slight negative pressure in the combustion plenum by blowing a small portion of the output of the blowers out an output vent to control the amounts of primary and secondary air supplied to the burner system.
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 December 15, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 15, 1998.
- 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.