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Canadian application, no grantCanada

Magnetorheologic clutch

CA 2508568 A1 · Owner: Steinwender, Herbert · Inventors: Steinwender, Herbert

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The invention relates to a magnetorheologic clutch which consists of a stationary part (1), a rotatable primary part (2) comprising primary discs (3), a secondary part (8) encompassing the primary part (2) and comprising secondary discs (17). A chamber (28) containing a magnetorheologic fluid is formed between the primary part (2) and the secondary part (8) said , magnetorheologic fluid being exposed to the action of an adjustable magnetic field. The aim of said invention is to develop a possibly small magnetorheologic clutch which is capable to transmit a peak torque at a minimum power consumption and which is easily controlled. For this purpose at , list one exciting field coil …

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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 October 31, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 31, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 31, 2025.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 31, 2003
GrantedNo grant recorded
Term endedOctober 31, 2023
Patent numberCA 2508568 A1
Classification (IPC)F16D37/02

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedOct 31, 2003Term endedOct 31, 2023

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.