Propeller actuation system
CA 1231132 A · Owner: General Electric Company · Inventors: Sargisson, Donald F.; Toraason, Clifford M. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A propeller engine system with components for generating electric power within a rotatable hub is disclosed. The components include a shaft extending into the hub so that the hub and shaft are differentially rotatable. Magnetic means are fixed to the shaft and windin means are fixed to the hub so that either rotation of the rotor shaft or hub induces an electric current in the winding means.
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 January 5, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 5, 2005.
- 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.