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Expired Canadian patentCanada

Process for premixing-type combustion of liquid fuel

CA 1312816 C · Owner: Styner, Daniel · Inventors: Sattelmayer, Thomas; Styner, Daniel; Keller, Jakob

CIPO record

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Abstract From the Canadian patent

In premixing-type combustion of liquid fuel in a burner without a premixing section a conical, column (5) of liquid fuel is formed in the interior (14) of the burner, which column widens in the direction of flow and is surrounded by a rotating stream (15) of combustion air which flows tangentially into the burner. Ignition of the mixture takes place at the burner outlet a backflow zone (6) forming in the region of the burner outlet. The burner itself consists of at least two hollow part-cone bodies (1, 2) which are superposed on one another and have a cone angle increasing in the direction of flow. The part-cone bodies (1 2) are, mutually offset, so that tangential air inlet slots (19 20) …

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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 January 19, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 19, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 13, 1988
GrantedJanuary 19, 1993
Term endedJanuary 19, 2010
Patent numberCA 1312816 C
Classification (IPC)F23C5/00 +2 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedDec 13, 1988Patent grantedJan 19, 1993Term endedJan 19, 2010

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.