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Canadian application, no grantCanada

Compressor supercharger with evaporative cooler

CA 2071664 A1 · Owner: Union Carbide Industrial Gases Technology Corp. · Inventors: Warren, James Richard

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

Apparatus and method for increasing the capacity of a gas compressor. The apparatus comprises a supercharger for compressing a gas flow and an evaporative cooler for cooling and ducting the supercharged gas flow to the gas compressor. The cooler comprises a section of pipe connecting the supercharger and the compressor. Mounted on the wall of the pipe are nozzles oriented upstream to atomize water into droplets of mean diameter ranging from about 4 to about 12 microns. The pipe is sized to provide a residence time of from about 0.1 to about 0.5 seconds for the droplets in the gas flow. D-16730

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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

  • Filed June 19, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 19, 2012.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 19, 2014.
  • 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 19, 1992
GrantedNo grant recorded
Term endedJune 19, 2012
Patent numberCA 2071664 A1
Classification (IPC)F02D23/00 +2 more

Timeline

Timeline From CIPO dates

1993199519971999200120032005200720092011Application filedJune 19, 1992Term endedJune 19, 2012

Sources & verification

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