Centrifugal separator
CA 1111809 A · Owner: Knelson, Benjamin V. · Inventors: Knelson, Benjamin V.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The centrifugal separator of this invention has an open top metal cylinder that spins about a vertical axis. It has a hollow rotating shaft an upper, floor and a lower floor, an outer wall and an inner wall. Fluid is pumped through the hollow shaft into a space between the floors thence into a, space between the walls and out through multiple jet holes in the inner wall. This inner wall also has a series of horizontal rings on its inner surface. The jet holes are circumferentially spaced between the rings. As materials are fed into the cylinder through a central feed pipe they are separated into denser materials and lighter weight materials through the turbulence created by the fluid jets. …
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 November 3, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 3, 1998.
- 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.