Armature rotors of electromagnetic brakes
CA 1281357 C · Owner: Labavia S.G.E. · Inventors: Estaque, Michel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
To improve the cooling of the rotor armature disc of an electromagnetic brake, connected to an external web by a ring of arms forming ventilation fins said, web bounding with the disc and the portions of fins which connect it to this disc, channels for ventilation air on one at least of the surfaces bounding said channels internally, striae or ondulations are provided constituted by ribs extending in directions inclined to the direction of flow of the air in the channels. The ratio between the spacing of the successive ribs and the height of these ribs is comprised between 5 and 15. Figure 1
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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 March 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 12, 2008.
- 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.