Rapidly opening peak-clipping valve for a hydropneumatic suspension for a heavy vehicle
CA 1290357 C · Owner: Marquant, Patrick · Inventors: Perrochat, Jean-Michel; Joseph, Philippe; Marquant, Patrick
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A rapidly opening peak clipping valve for a hydropneumatic suspension of a heavy vehicle comprises a hollow body provided with a first inlet or outlet opening and a second outlet or inlet opening for a hydraulic fluid and the following elements: a hollow slide slidably mounted inside a hollow sleeve slidably mounted in the body and coaxial with the slide; an elastic element bearing against the body and biasing the slide into abutment against an annular end of the sleeve and the sleeve into abutment against an annular seat of the body; and the annular bearing section of the slide on the sleeve is less than the annular bearing section of the sleeve on its seat the sleeve being, moreover …
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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
- Granted October 8, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 8, 2008.
- 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.