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Expired Canadian patentCanada

Method and apparatus for heating a fuel

CA 1305377 C · Owner: Eberspacher, J. · Inventors: Kroner, Martin

CIPO record

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

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Abstract From the Canadian patent

A HEATING FUEL #20.089 ABSTRACT OF THE DISCLOSURE, A device for transporting and preheating fuel which is susceptible to cold temperatures comprises a pump which has an electromagnetic coil which is supplied with current to move a plunger for pumping the fuel so as to transport it. The plunger is returned for example, by a return spring and the electromagnetic coil is set out so that a maximum portion of the coil heats a fuel as it is passed through a pumping space. In accordance with the method of the invention the coil has its own, current supply control which advantageously may be set to supply a heating current which is in excess of that required for moving the plunger. A return spring …

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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 July 21, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 21, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 7, 1988
GrantedJuly 21, 1992
Term endedJuly 21, 2009
Patent numberCA 1305377 C
Classification (IPC)F02M31/12 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedSep 7, 1988Patent grantedJuly 21, 1992Term endedJuly 21, 2009

Sources & verification

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