Twin winding three-phase alternator with zero slot coupling
CA 1260524 A · Owner: General Motors Corporation · Inventors: Becker, Robert W.; Madsen, John E.; Keck, Timothy A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A winding arrangement for a twin winding set three-phase alternator having P rotor poles and 3nP stator slots, where P is an even integer and n is an integer greater than or equal to two, each set of three-phase windings comprising a group of P/2 interconnected winding components per phase. The stator coils each span an odd number of stator slots and are connected such that circumferentially adjacent coils are connected in different of the sets of threephase windings, and such that each winding component comprises one or more coils from each of two different pole pitches. As a result, a given stator slot contains winding elements belonging to only one of the sets …
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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 September 26, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 26, 2006.
- 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.