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Expired Canadian patentCanada

Separator in a liquid ring compressor unit

CA 1329185 C · Owner: Auschrat, Siegfried · Inventors: Auschrat, Siegfried; Segebrecht, Udo

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A liquid-ring compressor unit having a horizontal shaft and a compressor housing in which a pressure chamber is disposed after the compressor stage and which communicates with a gas outlet conduit. The pressure chamber is divided up by a wall which projects upward at least up to the level of the pressure opening of the compressor stage, into a first zone and a second zone which are connected to one another above the wall while forming a route for the delivered medium the second zone of, which is connected to the gas outlet conduit. The necessity of a separate separator is avoided according to the invention by the pressure chamber being designed as a separator. For this purpose, the route …

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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 May 3, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 3, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 13, 1985
GrantedMay 3, 1994
Term endedMay 3, 2011
Patent numberCA 1329185 C
Classification (IPC)F04C19/00

Timeline

Timeline From CIPO dates

198619891992199519982001200420072010Application filedJune 13, 1985Patent grantedMay 3, 1994Term endedMay 3, 2011

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.