Liquid cyclone or centrifugal cleaner
CA 1286636 C · Owner: Chupka, David E. · Inventors: Chupka, David E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A cleaner for treating a liquid suspension of mixed relatively heavy and light particles to separate such particles from each other comprises parallel top and bottom plates (20, 21), an outer wall (22) and an, interior spiral wall (24) cooperating with the outer wall (22) to define a spiral passage (25) having a plurality of turns and leading to an outlet port (16) for heavy particles in the bottom plate (21). An inlet port (11) delivers the suspension to the outer end of the spiral passage (25), and there is a second outlet port (15) through one of the top and bottom plates for that portion of the suspension which includes the relatively light particles. Different arrangements of outlet …
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 July 23, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 23, 2008.
- 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.