Thermal mass flow meter

Measuring and testing – Volume or rate of flow – Thermal type

Patent

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Details

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.

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