Method of waterproofing electric motor
CA 1285357 C · Owner: Mcavena, Richard · Inventors: Mcavena, Richard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method involving modifications to a conventional electrical motor for the purpose of increasing its resistance to being damaged by the use of water or other liquids in its environment. The motor is disassembled and all exposed areas of, the stator windings are coated with an epoxy which forms a pliable coating when cured. The slots between the lamination bars of the stator also receive an epoxy coating. A layer of epoxy is formed within the junction box against the motor casing and the epoxy layer has a portion extending into the lead wire opening of the casing and completely surrounds the lead wires passing outwardly through the opening. The normal bearings for the shaft are replaced …
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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 July 2, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 2, 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.
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.