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Expired Canadian patentCanada

Stratified charge rotary engine with variable spray angle fuel nozzle

CA 1054943 A · Owner: Curtiss-Wright Corporation · Inventors: Lamping, Harold D.; Myers, David M.; Jones, Charles

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A rotary combustion engine having a fuel nozzle for discharging fuel into each working chamber just prior to combustion and in which means are provided for increasing the width of the spray angle of the fuel discharged by aid nozzle as the quantity of fuel discharged by the nozzle into each working chamber increased.

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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 May 22, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 22, 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.
Filed—
GrantedMay 22, 1979
Term endedMay 22, 1996
Patent numberCA 1054943 A
Classification (IPC)F02B55/08 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedMay 22, 1979Term endedMay 22, 1996

Sources & verification

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