Annular speed sensor
CA 2049893 C · Owner: Eaton Corporation · Inventors: Peterson, Glen D.; Caron, Laverne A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An in-axle annular rotational speed sensor assembly (52) for drive axles (10) is provided which mounts directly to the drive axle differential bearing adjusters (36) in a relatively available and protected space (50) within the axle housing. The assembly utilizes the ferromagnetic adjuster to define a portion of the magnetic flux path (108) and maintains a large axial separation between the adjuster and the air gap (102) between the arrays of rotor and stator teeth (82 100).
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
- Filed August 26, 1991 and granted December 30, 1997. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 26, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 26, 2013.
- 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.