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US4083473A Liquid blending control system 失效
液体混合控制系统

Liquid blending control system
摘要:
A liquid blending system for providing three grades: (a) a first base grade; (b) a second base grade; and (c) a fixed blend proportion of the two. A blend control lever coupled to a valve is selectively driven by a differential receiving inputs from fluid meters in the base grade lines. Opposed solenoids pull the lever to one extreme or the other for the two base grades.
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