Ride quality simulator for railway
CA 2414911 A1 · Owner: Morimoto, Eiichi · Inventors: Morimoto, Eiichi; Okabe, Hitoshi; Hashimoto, Atsushi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A ride quality simulator (1) for evaluating a ride quality of railway accurately, comprising a controller (60) for controlling a driver (50) to shake a plurality of arbitrary shafts simultaneously among six shafts for a passenger room (10) simulating the interior of a railway vehicle. The controller (60) sets an upper limit on the vibratory acceleration and the frequency region of a back/forth component of a vibration applied to the simulated passenger room (10) out of a up/down component a left/right , component and a back/forth component to thereby raise the upper limits on the vibratory accelerations and the frequency regions of the up/down component and the left/right component. …
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 June 25, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 25, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 25, 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.