Railway truck and lim propulsion assembly
CA 1078936 A · Owner: Canadair Limited · Inventors: Sobolewski, George
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A railway truck in particular of the type having wheel axles steered radially to a curve and characterized by a linear induction motor or LIM which is effectively kept at a precise gap height and in alignment above a reaction rail to assure effective propulsion by the LIM irrespective of the relative movements between the elements of the truck frame. This railway truck and LIM propulsion assembly comprises a pair of wheel axles rotatively carried by a pair of yokes respectively the latter being pivoted one to the other about a vertical intermediate common steering axis, a LIM unit longitudinally spanning the intermediate common steering axis and having opposite ends pivotally suspended to …
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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 June 3, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 3, 1997.
- 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.