Flywheel mounting of permanent magnet group
CA 1213757 A · Owner: Tecumseh Products Company · Inventors: Campen, Kenneth W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A scheme for mounting a permanent magnet group (41) on the flywheel (11) of a small internal combustion engine to provide the moving portion of an ignition system for such an engine is disclosed wherein the engine flywheel is formed of cast iron or similar ferromagnetic material and the magnet group is magnetically isolated from that flywheel so as to minimize short circuiting of the magnet group flux. A generally flat region (21) of the flywheel receives a spacer or plate (35) formed from aluminum or a similar substantially non-magnetic material such as zinc with that plate sandwiched between the flywheel and the magnet group by a pair of aluminum or similar non-magnetic material rivets …
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 November 12, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 12, 2003.
- 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.