System and method for locomotive adhesion control
CA 2613519 C · Owner: Daigle, Jeffrey Louis · Inventors: Daigle, Jeffrey Louis; Mcgarry, Jeremy Thomas; Houpt, Paul Kenneth
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A traction control system (156) for use in an electric traction motor propulsion system (22). The system includes at least two traction motors (38 40) each having an axle- wheel set (50 52) associated therewith, a speed , sensor (62) for sensing a speed parameter representative of speed of the wheel mounted on the axle-wheel set (50, 52) a torque sensor for sensing a torque , parameter representative of torque feedback exerted by the axle-wheel set an , estimator (96) coupled to the speed sensor (62) and the torque sensor and configured to estimate a tractive effort value or a creep value or a torsional vibration based upon the speed, the torque feedback or a combination thereof. , The …
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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 June 19, 2006 and granted June 4, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 19, 2026.
- 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.