Method and apparatus for producing tractive effort
CA 2545552 C · Owner: General Electric Company · Inventors: King, Robert Dean; Salasoo, Lembit
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus (100) for producing tractive effort the apparatus (100) , comprising: an energy source (110) adapted for generating a high DC voltage (120); a motor drive (130) adapted for generating a motor voltage (140) from the high DC voltage (120); and a motor (150) adapted for producing the tractive effort from the motor voltage (140) the energy source (110) , comprising: a heat engine (160) adapted for generating mechanical power (170) by burning a fuel; an alternator (180) adapted for generating an alternating voltage (190) from the mechanical power (170); a rectifier (200) adapted for rectifying the alternating voltage (190) and producing a low DC voltage (210); an energy …
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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 November 18, 2004 and granted July 9, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 18, 2024.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.