Air flow system for a microwave oven
CA 1252828 A · Owner: Amana Refrigeration, Inc. · Inventors: Hershberger, Bernard J.; Blackburn, Louis W.; Ironfield, Richard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A microwave oven having a forced air flow system wherein the blower output is coupled directly to the power transformer of the high voltage power supply. The power transformer is positioned in an enclosure that houses the magnetron and may also encase other electrical components such as the high voltage capacitor, the high voltage rectifier an oven light, and a fuse board. The blower is positioned outside the enclosure in a compartment housing the microwave oven controls Air is drawn into the control compartment by the blower and then forced through a chute in the enclosure directly at the power transformer. By static pressure differential air, exhausts the enclosure through a plurality of …
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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 April 18, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 18, 2006.
- 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.