Balanced turbine rotor and method for making the same
CA 1294890 C · Owner: Barber, Ralph R. · Inventors: Barber, Ralph R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
13- W.E. 53,827, Abstract, A balanced turbine rotor has a cylindrical member with a pair of opposed end shafts and an enlarged central portion, the enlarged central portion having first and second faces, with a circular groove formed in at least one of the faces and expandable weight assemblies engageable in the groove. The weight assemblies have an arcuate body member and an expander screw, the arcuate body member formed into upper and lower deformable sections by a bore therethrough and slots from side walls thereof to the bore such that the expander screw forces the deformable sections apart to secure the weights at any desired location about the groove in the face of the enlarged …
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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 28, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 28, 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.