Profiled blade of a fan and its application in motor-driven ventilating devices
CA 1291974 C · Owner: Aciers Et Outillage Peugeot · Inventors: Vera, Jean-Claude
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a profiled blade of a fan and its application in a motor-driven ventilating device. The blade has an axis which is the locus of the thrust centres of its cross-sections parallel to its foot which has a connecting point between an abyssal arc whose concavity faces toward the leading edge and a summit arc whose concavity faces toward the trailing edge of the blade. This blade can be used for the construction of a fan of a motor-driven ventilating device, especially for use in automobiles.
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
- Granted November 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 12, 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.