Self-priming centrifugal pump for dangerous, particularly radio-active liquids
CA 1325552 C · Owner: Societe Generale Pour Les Techniques Nouvelles -S.G.N.- · Inventors: Dollfus, Jacques
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a vertical selfpriming centrifugal pump, placed beneath a protective slab, constituted by a fixed bowl welded to suction and delivery pipes and by a mobile equipment adapted to be extracted via the top, characterized in that the hydraulic part is constituted by a wheel with radial vanes driven by a drive motor, said wheel rotating between a lower plate provided with a suction hole and an upper partition having an oval groove hollowed out therein on the wheel side said groove, terminating in a hole allowing evacuation of the liquid.
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
- Granted December 28, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 28, 2010.
- 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.