Groove pattern for high thermal capacity wet clutch
CA 1289090 C · Owner: Borg-Warner Automotive, Inc. · Inventors: Payvar, Parviz
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A groove pattern for the friction facings (22) of a wet clutch (21) to equalize the face temperature of the friction facings and thus increase the thermal capacity of the clutch where there is continuous slippage. The groove pattern includes one or more circumferential grooves (23,24) dividing the friction area into two or more annular bands (25,26,27) with radial grooves (28,31,32) in each band which increase in number from the inner band (25) to the outer band (27).
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 September 17, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 17, 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.