Electric drive motor axle with integrated reduction and differential gearset
CA 2440418 A1 · Owner: New Venture Gear, Inc. · Inventors: Francis, Philip J.; Bowen, Thomas C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A drive axle (32) adapted for use in hybrid vehicles and having an electric motor (58) and a gearbox (68) packaged within a common housing assembly (50). The gearbox (68) includes a differential assembly (72) driven by a planetarytype reduction unit (70). The reduction unit (70) includes a first planetary gearset having a first sun gear (74) driven by the motor (58) a first ring , gear (76), and a set of first planet gears (80) meshed with the first sun gear (74) and the first ring gear (76). A first planet carrier (78) is nonrotatably fixed to a stationary number and rotatably supports the first planet gears (80). A second planet gearset includes a second sun gear (90) fixed for …
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 March 14, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 14, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 14, 2024.
- 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.