Circularly magnetized non-contact torque and power sensor and method for measuring torque and power using same
CA 2213657 C · Owner: Garshelis, Ivan J. · Inventors: Garshelis, Ivan J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A torque/power sensor, (2) for providing an output signal indicative of the torque, applied to or the power transmitted by a rotating, torqued member (8) comprises a magnetoelastically active, element (4) for producing a magnetic field varying with, the applied torque and a field modulating means (25) for, modulating the magnetic field in a periodic manner which, is indicative of the speed of member rotation. A magnetic, field vector sensor (6) such, as a Hall effect sensor, senses, the amplitude of the modulated field for providing an output, signal which is linearly indicative of the torque applied, to the rotating member (8). Alternatively a magnetic field, vector sensor in the form of a …
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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 February 23, 1996 and granted December 11, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 23, 2016.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 23, 2018.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.