Fluid engaged and spring returned fan clutch
CA 1189463 A · Owner: Horton Industries, Inc. · Inventors: Schilling, Hugh K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fluid engaged and spring returned fan clutch for connection with a live rotative source of power including an annular mounting flange for connection with the source of power. The mounting flange terminates in a hub. Also included is an annular friction flange connected to the hub. A first outer shell section is rotatively mounted on the hub and connected to a second outer shell section with fan blades connected thereto. A circular face plate is connected to the second outer shell. A circular piston is axially and slideably mounted on and within the second outer shell section and axially of the face plate thereby forming a cylinder void between the piston and the face plater A circular …
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 June 25, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 25, 2002.
- 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.