Device and method for testing vehicle shock absorbers
CA 2199500 C · Owner: Muller, Roland · Inventors: Muller, Roland
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In known devices for testing vehicle shock absorbers the tires, which have a , dampening effect are not taken into account, so that the measurement results may be falsified by up to about 30 %, depending on the tire pressure. In addition, when the wheels are mounted on the vehicle no shock absorber , characteristic curve may be measured only individual values. In the disclosed device, the actuating variable "tire" is eliminated by a regulation process that consists in normalising the resonance amplitude a considerably more , accurate measurement being thus obtained. In addition the spring constant of , the wheel suspension is determined before actually testing the shock absorbers, …
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 11, 1995 and granted February 19, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 11, 2015.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 11, 2017.
- 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.