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US06923055B2 Positive displacement flow meter method and apparatus 失效
正排量流量计的方法和装置

Positive displacement flow meter method and apparatus
摘要:
A flow meter comprising a rotor assembly that is comprised of two rotors having axis of rotation offset from collinear where the two rotors define operating chambers that changing volume with respects to rotation and allow fluid to pass from an inlet port to an outlet port when the number of rotation is indicated the volumetric flow therethrough.
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