Electric motor with plastic encapsulated stator
CA 1057805 A · Owner: Superior Electric Company (The) · Inventors: Kaufman, George A. (Jr.)
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, An electric motor comprising a stator and a rotor the, stator is formed with an encapsulating hardened plastic material formed with a through aperture in which the rotor is positioned and which has supports unitary with the plastic material that accurately concentrically supports the rotor with respect to the stator, one of the supports being a metal insert positioned at one end of the stator and having an exposed portion for aiding in heat transfer from the stator and another support is positioned at the other end of the stator with the plastic material constituting the sole structure for securing the supports to the stack.
Read the whole patent
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 July 3, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 3, 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.