Through-flow hydrocyclone and three-way cleaner
CA 2332036 A1 · Owner: Beloit Technologies, Inc. · Inventors: Grimes, David B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The conventional infeed head (22) and inverted cone (44) of a Uniflow cleaner are connected by a generally cylindrical channel dam segment (38) which has an annular inwardly extending channel dam (42). The narrow end of the inverted cone (44) is connected to a separation body (50) through which a vortex finder (60) extends into the inverted cone (44). The light reject particles (32) are removed from the input flow (26) through the vortex finder (60). Accepts (28) and heavy rejects (30) flow into an inverted hydrocyclone chamber (72) within the separation body (50) defined between an outer cylindrical ring (62) and an inner cylindrical ring (64) and the vortex finder (60). An annular …
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 10, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 10, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 10, 2021.
- 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.