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Expired Canadian patentCanada

Method and apparatus for controlling a turbo- generator set

CA 1184246 A · Owner: Siemens Aktiengesellschaft · Inventors: Schuh, Manfred; Plohn, Gerhard

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

In a power control for a turbo-generator the acceleration power, of the difference between the mechanical power supplied to the turbo-generator set and the power delivered by it is determined and if the supplied power, preponderates, a correction signal directed toward closing control valves is fed to the power control by means of a valve positioning controller. Thereby the power control need not be disconnected in the event of disturbances such as load shedding and network short circuit but can practically remain engaged, continuously.

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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 March 19, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 19, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 8, 1982
GrantedMarch 19, 1985
Term endedMarch 19, 2002
Patent numberCA 1184246 A
Classification (IPC)H02P9/04 +1 more

Timeline

Timeline From CIPO dates

1983198519871989199119931995199719992001Application filedMarch 8, 1982Patent grantedMarch 19, 1985Term endedMarch 19, 2002

Sources & verification

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