Rotary kinetic fluid motors or pumps – With bimetallic blade – vane – or adjustment means therefor
Patent
1982-09-30
1984-05-01
Powell, Jr., Everette A.
Rotary kinetic fluid motors or pumps
With bimetallic blade, vane, or adjustment means therefor
415 22, 415 39, 415158, F01D 1708
Patent
active
044458150
ABSTRACT:
Temperature regulation of an air cycle refrigeration system is achieved by selectively adjusting the turbine stator geometry in response to the temperature of turbine airflow at a desired location. Such adjustment in stator geometry includes the selective positioning of a portion of the stator adjacent the turbine blades thereby controlling the amount of cooling produced by the turbine or the selective opening and closing of bypass ports provided in the turbine stator to control the flow of air through the turbine. Both of these adjustments in stator geometry are effected by an actuator comprising at least two members of differing coefficients of thermal expansion such as a bimetallic element.
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Powell Jr. Everette A.
Swiatocha John
United Technologies Corporation
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