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Expired Canadian patentCanada

Retrofit of simple cycle gas turbines for compressed air energy storage application

CA 1287497 C · Owner: Gibbs & Hill, Inc. · Inventors: Nakhamkin, Michael

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

A system is disclosed for retrofitting a plurality of gas turbines for use in compression and expansion stages of a power plant. A first gas turbine is modified to perform as a motor driven air compressor compressing air and storing such compressed air in an air storage device. A second gas turbine is modified to perform as a generator driving expander in which air previously compressed is expanded in a turbine thus generating power.

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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 August 13, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 13, 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.
FiledMay 13, 1988
GrantedAugust 13, 1991
Term endedAugust 13, 2008
Patent numberCA 1287497 C
Classification (IPC)F02C6/16

Timeline

Timeline From CIPO dates

1989199119931995199719992001200320052007Application filedMay 13, 1988Patent grantedAug 13, 1991Term endedAug 13, 2008

Sources & verification

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