Method and apparatus for preheating fuel in vehicles powered by internal combustion engines
CA 2304276 A1 · Owner: Beekman, William Jan · Inventors: Ergezinger, Hermann E.; Beekman, William Jan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus for preheating fuel in vehicles powered by internal combustion engines supplied with fuel from a fuel tank. A heat exchanger is provided for indirect heating of fuel. The heat exchanger has a fuel circulation conduit with a fuel inlet and a fuel outlet. The fuel inlet is connected to a first fuel flow line originating from the fuel tank. The fuel outlet is connected to a second fuel flow line extending to the internal combustion engine. A temperature sensor is positioned in the second fuel flow line. A control unit is coupled to the temperature sensor for controlling the temperature of the heat exchanger to maintain fuel within a predetermined temperature range as …
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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
- Filed March 31, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 31, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 31, 2022.
- 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.