Turbine compartment ventilation control system and method...

Power plants – Combustion products used as motive fluid – Having mounting or supporting structure

Reexamination Certificate

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C060S039830, C060S803000

Reexamination Certificate

active

06983607

ABSTRACT:
A method to ventilate a rotary machine housed in a compartment having a ventilation air inlet and air exhaust, a variable speed ventilation fan and a temperature sensor, wherein the method includes: sensing a temperature level of the rotary machine; applying the sensed machine temperature level to a controller for the fan; drawing ventilation flow through the compartment and over the machine; determining whether the sensed machine temperature level is above a desired temperature level of the rotary machine, wherein the desired temperature level is determined by the controller, and the controller setting an operational condition of the fan to increase the ventilation flow through the compartment if the sensed machine temperature level is above the desired temperature level.

REFERENCES:
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patent: 5449961 (1995-09-01), Ludwig et al.
patent: 6339268 (2002-01-01), Kaminski et al.
patent: 6357221 (2002-03-01), Schroeder et al.
patent: 6392320 (2002-05-01), Glahn et al.
patent: 6435144 (2002-08-01), Dicke et al.
Declaration of Gerald Grove with two confidential attachments.

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