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Expired Canadian patentCanada

Fuel control apparatus for dual chamber stratified charge engine systems

CA 1069203 A · Owner: Bendix Corporation (The) · Inventors: Thuren, John B.; Phipps, Jack R.; Datwyler, Walter F. (Jr.)

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Abstract From the Canadian patent

Fuel control apparatus for dual chamber stratified charge engine systems utilizes a single point fuel control arrangement for the main (lean) air-fuel mixture in combination with a multi-point fuel injection arrangement for the igniting (rich) mixture. The single point and multi-point arrangements may be essentially independent in that they both sense and compute quantity of air flow respectively, and meter and inject fuel respectively. In an alternate form of the invention the air flow, sensing function of the single point arrangement is used to provide suitable air flow information to the multi-point arrangement and in another alternate form of the invention the fuel flow injection …

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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 1, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 1, 1997.
  • 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—
GrantedJanuary 1, 1980
Term endedJanuary 1, 1997
Patent numberCA 1069203 A
Classification (IPC)G05D7/06 +2 more

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