Coal heater temperature control
CA 1055872 A · Owner: Coaltek Corporation · Inventors: Auvil, Harvey S.; Davis, Rufus F. (Jr.)
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention is a method for maintaining heating equipment for coal in standby condition at a desired level of temperature in the heating equipment, during routine interruption of the coal feed. The method includes: monitoring the temperature in the heating equipment; providing an artificial heat load to the heating equipment; causing the artificial heat load to absorb substantially all of the heat, normally absorbed by the coal feed, from a heat source to cause the heat source to operate in its normal range of operation during routine interruption of the coal feed; maintaining the heat output from the heat source at a heat output level during interruption of coal feed which is within its …
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, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 5, 1996.
- 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.