Measuring and testing – Volume or rate of flow – Thermal type
Patent
1993-02-16
1994-09-20
Goldstein, Herbert
Measuring and testing
Volume or rate of flow
Thermal type
7320418, 7320422, G01F 168
Patent
active
053478614
ABSTRACT:
The portions on the sides far to each other of two sensor coils wound around the outer circumferential portion of the conduit, through which the fluid passes, at the suitable interval are thermally joined through a thermal conductor and the thermal conductor is heated by means of a heater, whereby the flow rate of fluid can be accurately measured without being influenced by the posture error resulting from the convection.
REFERENCES:
patent: 3187569 (1965-06-01), Los
patent: 4440021 (1984-04-01), Abouchar
patent: 4686856 (1987-08-01), Vavra et al.
Goldstein Herbert
Stec Inc.
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