Twin centrifugal compressor
CA 2373905 A1 · Owner: Conry, Ronald David · Inventors: Conry, Ronald David
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A compact and efficient compressor is provided based on, using magnetic bearing technology which can operate at high speed and, comprises a reliable control system. The compressor of the present invention makes use of two separate compressors mounted on a single common motor thus sharing a single drive. The balancing of the thrust at high RPM is improved, by using a pair of electromagnetic bearings.
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
- Filed February 28, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 28, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 28, 2024.
- 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.