Drive system for an all-wheel driven motor vehicle
CA 2423258 A1 · Owner: Steyr Powertrain Ag & Co Kg · Inventors: Gratzer, Franz
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a drive system for an all-wheel driven motor vehicle with a first and a second driven axle (3 9), comprising a differential-speed , sensitive coupling (6) for driving the second driven axle and an at least partially lockable differential (8) between the wheels of the second driven axle (9). The differential-speed sensitive coupling (6) comprises a pump (10) that generates a pressure when a differential speed occurs said pressure , inducing the transmission of a torque to the second driven axle (9). In order to allow for a timely accurate response of the differential lock that also takes the driving status into consideration a connecting line (18) leads from , …
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 September 27, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 27, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 27, 2023.
- 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.