Fan clutch
CA 1301092 C · Owner: Allied-Signal, Inc. · Inventors: Fenzel, David Thomas; Hall, John Lawrence; Shamine, Dennis Ronald
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A clutch drive for a vehicle engine cooling fan includes a pulley portion which is driven by the vehicle engine, a fan plate which rotatably mounts the engine cooling fan, and a pressure plate which engages the fan plate to drive the latter when the clutch is engaged. Torque transmission from the pulley to the pressure plate is through a series of circumferentially spaced coiled springs which also yieldable urge the pressure plate into driving engagement with the fan plate. A spring stabilizer defines a circumferentially extending cavity which receives several coils of the spring to stabilize the latter and to prevent displacement of the coils circumferentially with respect to each other …
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 May 19, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 19, 2009.
- 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.