Thermal flow sensor

Details Thermal flow sensor Thermal flow sensor

1990-12-14

1992-11-17

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Thermal type

G01F 168

Patent

active

051633221

ABSTRACT:
A thermal flow sensor is constructed in such a manner that the longitudinal axis of a thermal resistance element is positioned so as to face wires of a rectification net at an angle ranging from 10.degree. to 80.degree.. The surface of the thermal resistance element onto which the openings between the wires of the rectification net would be projected remains substantially the same, regardless of changes in attachment positions of the thermal resistance and the rectification net. Even when the thermal resistance element is arranged close to the rectification net, unevenness in characteristics between the components can be reduced.

REFERENCES:
patent: 3687130 (1972-08-01), McCormack
patent: 4280360 (1981-07-01), Kobayashi et al.
patent: 4326412 (1982-04-01), Kobayashi et al.
Japanese Abstract 1-32120 Feb. 1989 and 1-66518 Mar. 1989.

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