Fluid speed or direction measuring apparatus

Details Fluid speed or direction measuring apparatus Fluid speed or direction measuring apparatus

1987-04-16

1989-08-15

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Thermal type

73189, G01F 168

Patent

active

048563307

ABSTRACT:
A fluid speed or direction measuring apparatus utilizes a sensor where an output changes regularly with respect to a temperature change at the resistance-temperature characteristic of a piece of single crystal germanium, thereby converting the temperature change in the single crystal germanium in contact with the fluid into a resistance change, so that the resistance change is converted into voltage, a current or electric power.

REFERENCES:
patent: 3298229 (1967-01-01), Klein
patent: 3310502 (1967-03-01), Komatsubara et al.
patent: 3343114 (1967-09-01), Rice
patent: 3592055 (1971-07-01), Dorman
patent: 3604261 (1971-09-01), Olin
patent: 4300391 (1981-11-01), Eiermann
patent: 4319483 (1982-03-01), Durham et al.
patent: 4393697 (1983-07-01), Sato et al.

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