Method of speed reduction ratio control in continuously variable speed transmission
CA 1332966 C · Owner: Yamaguchi, Kouji · Inventors: Yamaguchi, Kouji; Sasajima, Koji; Ishikawa, Yoshikazu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of controlling speed reduction the following ratio of a continuously variable speed transmission using change rate di/dt of speed reduction ratio as control value. di/dt = -C1*N/V2*(dVo/dt)+C2*1/V*(dNo/dt) +C3*N/V2*(dVo/dt-dV/dt), or, di/dt = -C4*(N/V2)*dVo/dt*KCL+Cn*(1/V)*dNo/dt
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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 November 8, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 8, 2011.
- 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.