Inertial pump
CA 2216217 A1 · Owner: Grigorescu, Virgil · Inventors: Grigorescu, Virgil
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention is a new approach to convert the energy of rotation into work done effective through the transfer of liquid or gas ,which are compressed or decompressed. The system is based on a geometric property of the cardioid which is applied to a mobile vertical, surface which is sliding linear through the shaft's opening. The both sides of a mobile vertical surface are constrained to move around the cardioid's cavity. The mobile vertical surface and the shaft's opening are named sliding mechanism.The principal shaft is coupled with an electric motor. There are many advantages of this pump compared to other existent or proposed devices which utilize the energy of rotation as the source …
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 November 18, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 18, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 18, 2019.
- 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.