Control system
United States Patent 3017869
US Patent References:
Boiler-feed-water-regulating apparatus
- - 1674456

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Servo mechanism
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Fluid relay mechanism
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Heater control
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Inventors:
Paul, Profos
Publication Date:
01/23/1962
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Assignee:
SULZER AG
Primary Class:
122/479.700
Other Classes:
122/451.100, 236/26A
International Classes:
F01K13/02; F22B35/10; F22G5/00; F01K13/00; F22B35/00
US Patent References:
2804851Control system for a supercritical pressure boiler