Rim-type hydroelectric machine
CA 1095588 A · Owner: Escher Wyss Limited · Inventors: Miller, Helmut
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The disclosure concerns a hydroelectric machine including a tubetype hydraulic machine having a bladed wheel which rotates about a horizontal axis and is provided with fixed blades which are encircled by and connected, with, a rim to which the rotor of a surrounding electrical machine is attached. The wheel, rim and rotor form a single rotating unit which is supported in the radial direction without physical contact by at least two hydrostatic centering supporting devices and at least one hydrostatic damping device. At least one hydrostatic load-bearing device may be included for accepting without physical contact a constant portion of the weight of the rotating unit. In addition, the …
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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 February 10, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 10, 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.