Drive system and method for operating a drive system for an electrically operated vehicle
CA 2604025 C · Owner: Proton Motor Fuel Cell Gmbh · Inventors: Wallner, Stefan
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 electrically driven vehicle comprising an electric drive unit (4), a first power source circuit (1) comprising a control unit (14), which outputs controllable power a second , power source circuit (2), which can be charged and discharged and which is connected in parallel to the drive unit (4) and an intermediate electric circuit (5), which is connected to the first and second power source circuit (1, 2) and to the drive unit (4). A first detection device (11) detects an intermediate voltage (UZK) and a second detection device (12) detects a characteristic value of the vehicle speed (v). The control unit (14) is configured in such a way …
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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 April 7, 2006 and granted January 29, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 7, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.