Rotating electrical machine comprising high-voltage stator winding and elongated support devices supporting the winding and method for manufacturing such machine
CA 2255745 A1 · Owner: Backlund, Alberti · Inventors: Gertmar, Lars; Hernnas, Bo; Holmstrom, Goran
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a rotating electric machine having a stator with windings drawn through slots (5) in the stator. According to the invention the windings consist of high-voltage cable (6) and elongated support elements (13) arranged in the slots (5) along and in contact with the cable parts (6) in order to support the cable and prevent vibration. In order to manufacture such a machine the invention relates to a method in which elongate support elements are inserted in the slots during manufacture said support elements being , axially orientated.
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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 May 27, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 27, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 27, 2019.
- 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.