Thermal type flow detecting apparatus

Details Thermal type flow detecting apparatus Thermal type flow detecting apparatus

1990-06-27

1991-08-13

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Thermal type

G01F 168

Patent

active

050386093

ABSTRACT:
A thermal type flow detecting apparatus comprises a thermoelectric detecting element (5) having a base material (1) of a ceramics semiconductor and detecting electrodes (2, 3) respectively arranged in the vicinity of both longitudinal ends on one major surface of the base material, thereby constituting a thermoelectric element, and heating electrodes (4) formed to be opposed to each other with the base material interposed therebetween on both surfaces of the base material in a central portion between both the detecting electrodes.

REFERENCES:
patent: 4306453 (1981-12-01), Wolfshorndl
patent: 4373386 (1983-02-01), Schuddemat et al.
patent: 4561303 (1985-12-01), McCarthy
patent: 4576050 (1986-03-01), Lambert
patent: 4637253 (1987-01-01), Sekimura et al.
patent: 4817427 (1989-04-01), Kitano et al.

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