Method for securing the lubrication of bearings in a hermetic high-speed machine
CA 2069491 A1 · Owner: Lindgren, Olli · Inventors: Lindgren, Olli; Larjola, Jaakko; Kytomaki, Timo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The object of the invention is a method for arranging the fluid lubrication of bearings (6) of a rotor (2) of a closed or hermetic high-speed machine (1), especially a small-size power plant based on the Organic Rankine Cycle (ORC) process i.e. an, energy converter, comprising a turbine (3) a generator (4), and, possibly a main feed pump (5) installed on a joint root (2) wherein organic circulating medium of the process is used for lubrication. According to the invention in a stoppage situation, of the primary circulation in the main line (10) of the energy coverter, the fluid lubrication of the bearings (6) of the rotor (2) is secured by pressurized circulation medium accumulated in 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
- Filed September 25, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 25, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 25, 2013.
- 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.