Eddy current retarders for vehicles
CA 1291515 C · Owner: Labavia - S.G.E. · Inventors: Durand, Michel; Charbonnier, Marc
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electric retarder for vehicle is provided comprising on the one hand an inductor stator comprising a ring of electric coils (3) supported by an annular framework (1), which framework includes a central socket (5),radial arms (6) extending this socket and a ring (8) carried by these arms and supporting the coils and, on the other hand, an armature rotor comprising two magnetic disks (20) both connected, through rings of bent arms (14), to a central collar (15), itself secured angularly to a section (17) of the shaft of the vehicle to be slowed down. The socket has a truncated cone shape the collar is connected to a central cylindrical pot (16) covering the narrow end of the socket and …
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 October 29, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 29, 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.