Measuring and testing – Volume or rate of flow – By measuring electrical or magnetic properties
Patent
1983-06-02
1985-02-19
Goldstein, Herbert
Measuring and testing
Volume or rate of flow
By measuring electrical or magnetic properties
174 78, 361215, G01F 158
Patent
active
044997540
ABSTRACT:
An electromagnetic flowmeter for electrically measuring a flow rate of a fluid flowing through a measuring pipe has an insulating lining which lines the measuring pipe. A conductive powder is mixed in parts of the insulating lining. The measuring pipe is short-circuited with the fluid through the conductive powder, thereby providing a reference potential of detected current corresponding to the flow rate of the fluid.
REFERENCES:
patent: 3057951 (1962-10-01), Blakely
patent: 3981190 (1976-09-01), Vidmantas
patent: 4419899 (1983-12-01), Wada
Akano Shinichi
Goto Tsutomu
Ishikawa Sakae
Kuroda Masato
Matsumoto Ryoichiro
Goldstein Herbert
Yamatake-Honeywell Co. Ltd.
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