Thermal flow meter

Details Thermal flow meter Thermal flow meter

1996-06-11

1998-05-26

Biegel, Ronald L.

Measuring and testing

Volume or rate of flow

Thermal type

G01F 168

Patent

active

057568936

ABSTRACT:
A terminal in a thermal flow meter connected to a negative terminal of a power source voltage applied externally has a rectangular-shaped shielding plate extending from the terminal. The terminal is connected to ground as a reference potential of a control circuit constructed in a circuit portion via the shielding plate. The shielding plate covers substantially half of the bottom plate of a circuit case and ribbons are inserted keeping a predetermined space by the shielding plate and the bottom plate. Thus, the bottom plate and the shielding plate can pass external E/M noise or the like to the ground side with improved characteristics of E/M interference resistance and reduced manufacturing costs.

REFERENCES:
patent: 5571964 (1996-11-01), Sawada et al.

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