Rotor for an electrical machine
CA 1101034 A · Owner: Sundstrand Corporation · Inventors: Linscott, Phillip S. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An interchangeable tube is disposed and retained within a hollow rotor shaft of an electrical machine to form an axially extending cavity between the tube and the hollow rotor shaft. Oil flows into the tube from an oil supply, through holes in the tube and into the cavity, and is, sprayed from holes in the hollow shaft for cooling and lubricating the electrical machine. The configurations of the hollow rotor shaft and the interchangeable tube facilitate removal of the tube from the hollow rotor shaft without complete disassembly of the electrical machine. Thus tubes, having different hole diameters and hole configurations can be interchanged to accommodate different oil flow requirements …
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 12, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 12, 1998.
- 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.