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Valve position sensing circuit
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Patent number 5,109,675
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Issue date May 5, 1992
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Westinghouse Electric Corp.
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Edward Y. C. Hwang
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G05 - CONTROLLING REGULATING
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Steam turbine valve management system
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Patent number 4,811,565
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Issue date Mar 14, 1989
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Westinghouse Electric Corp.
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Edward Y. Hwang
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Turbine valve control system
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Patent number 4,554,788
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Issue date Nov 26, 1985
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Westinghouse Electric Corp.
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Eddie Y. Hwang
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Steam turbine generator control system
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Patent number 4,368,520
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Issue date Jan 11, 1983
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Westinghouse Electric Corp.
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Eddie Y. Hwang
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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