Electrical machine with replaceable shaft
CA 1064999 A · Owner: Bbc Brown Boveri And Company Limited · Inventors: Morandi, Innocente
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An armature for an electrical machine having a replaceable armature shaft, and a method of manufacturing the armature. The armature has a stack of armature laminations vented axially by means of passages, the armature laminations being located between a first and a second compression ring. A commutator is secured to the first compression ring with, the axial passages in the first compression ring being threaded. The compression rings, together with the armature laminations and commutator, are frictionally mounted on the replaceable armature shaft. The method of producing the armature includes the steps of arranging a stack of the armature laminations between first and second compression …
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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 October 23, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 23, 1996.
- 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.