Glow plug alternator control
CA 1284195 C · Owner: Verheyen, Michael Robert · Inventors: Verheyen, Michael Robert; Jeffries, James R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Glow Plug Alternator Control The present invention pertains to a control system for igniting devices used in an internal combustion engine. In order to ignite alcohol fuel in a diesel engine, the fuel must be heated before or during compression. Glow plugs conveniently provide heat, but have a short life in such continuous applications. Glow plugs must be accurately controlled to prevent overheating, which leads to open-circuiting. Individual constant voltage controls attempt to provide this function, but are only moderately successful. They are costly and complex and provide only moderate protection from overheating. Since glow plug resistance correlates to glow plug temperature, …
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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 14, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 14, 2008.
- 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.