Compressor unit with control system
CA 2470046 A1 · Owner: Jacobsson, Rolf Alexis · Inventors: Jacobsson, Rolf Alexis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A compressor unit intended for delivering a pressurised gaseous medium at a varying outlet flow volume to a consumer with varying load demands and comprises one or more rotors (K; 10, 11) forming one or more compressor stages and arranged to operate continuously at high speed thereby delivering a certain outlet flow volume, a drive motor (M; 19) a drive line assembly (N; , 17, 18) mechanically coupling the compressor rotor or rotors (K; 10 11) to , the drive motor (M; 19), and a waste flow circuit connected to the outlet end of the compressor stages and incorporating at least one power recovery turbine (TR; 22, 23) mechanically coupled to the drive line assembly (N; 17 18), and , one …
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 December 6, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 6, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 6, 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.