Rotary kinetic fluid motors or pumps – With control means responsive to non-cyclic condition... – Temperature or fluid force responsive member
Patent
1998-12-22
2000-11-14
Verdier, Christopher
Rotary kinetic fluid motors or pumps
With control means responsive to non-cyclic condition...
Temperature or fluid force responsive member
415 48, 415116, 415117, 415175, 415176, 415178, 416 39, 416 96R, 416 96A, 416198A, 416201R, F01D 508, F01D 1708
Patent
active
061460907
ABSTRACT:
In a turbine rotor, a thermal mismatch between various component parts of the rotor occurs particularly during transient operations such as shutdown and startup. A thermal medium flows past and heats or cools one part of the turbine which may have a deleterious thermal mismatch with another part. By passively controlling the flow of cooling medium past the one part in response to relative movement of thermally responsive parts of the turbine, the flow of thermal medium along the flow path can be regulated to increase or reduce the flow, thereby to regulate the temperature of the one part to maintain the thermal mismatch within predetermined limits.
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General Electric Co.
Verdier Christopher
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