Floating seal arrangement for centrifugal separators and like rotating apparatus
CA 1305735 C · Owner: Alfa-Laval Food & Dairy Group, Inc. · Inventors: Roman, Donald C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Rotating fluid-handling apparatus e.g. a centrifugal, separator has at least first and second elements which rotate relative to the other about a common axis. A seal assembly provides fluid-tight sealing between the elements which define, passages for fluid flow from one element to the other. The seal assembly has at least one annular seat carried by one of the elements coaxially with the axis, and an annular seal the, other of the elements defining a chamber for the seal in proximity to the seat. The chamber carries the seal within it coaxial with the axis, the seal being shiftable axially within the chamber between positions, in and out of sealing contact with the seat. Sealing contact …
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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 28, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 28, 2009.
- 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.