Thermal mass flow sensor

Details Thermal mass flow sensor Thermal mass flow sensor

1997-01-17

1999-03-09

Patel, Harshad

Measuring and testing

Volume or rate of flow

Thermal type

7320422, G01F 168

Patent

active

058803653

ABSTRACT:
A thermal mass flow rate sensor is made of a resistance temperature detector wire wound around a mandrel. A metal sheath is formed about the mandrel and wire assembly to be in intimate contact with the mandrel and wire assembly. The materials of which the sensor is made are selected such that their co-efficients of thermal expansion are approximately the same.

REFERENCES:
patent: 5207765 (1993-05-01), Eiermann et al.

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