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Canadian application, no grantCanada

Permanent magnet rotor alternator

CA 2315593 A1 · Owner: Lindsley, Nathaniel · Inventors: Lindsley, Nathaniel

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A permanent magnet rotor alternator is disclosed having a onepiece, rotor hub\flywheel\starting gear. Three high remanence ceramic permanent magnets provide a rotor having a contiguous ring of twelve alternating, poles which allows for higher alternator efficiency. The magnets are ceramic and, are adhesively bound to the rotor hub which is driven by an extended , crankshaft. The rotor rotates within a wound stator assembly of which the laminated stator core is a part of the alternator's frame assembly and thus, serves as a , shield, should a rotor magnet come loose.

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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 August 8, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 8, 2020.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 8, 2022.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 8, 2000
GrantedNo grant recorded
Term endedAugust 8, 2020
Patent numberCA 2315593 A1
Classification (IPC)H02K21/22 +2 more

Timeline

Timeline From CIPO dates

2001200320052007200920112013201520172019Application filedAug 8, 2000Term endedAug 8, 2020

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.