Compact gas flow meter using electronic microsensors

Details Compact gas flow meter using electronic microsensors Compact gas flow meter using electronic microsensors

1991-07-09

1993-06-22

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Thermal type

73198, 7320426, G01F 168

Patent

active

052208303

ABSTRACT:
A compact dual microanemometer-based flow meter for a gaseous fluid includes a dynamic microanemometer flow sensor located in a measuring nozzle of reduced diameter directly exposed to the main fluid flow stream and a static microanemometer sensor located so as to be in communication with the main flow stream but not in direct contact with the main flow stream. Particulate matter is excluded by a particulate trapping system located upstream of the flow sensors and has a plurality of sequentially encountered particulate traps including dead-end trap and settling traps and a honeycomb laminarizing device is positioned in the stream between the particulate trapping system and the microanemometers.

REFERENCES:
patent: 1130596 (1915-03-01), Herbing
patent: 2859617 (1958-11-01), Adams
patent: 3251225 (1966-05-01), Luft
patent: 3433069 (1969-03-01), Trageser
patent: 5014552 (1991-05-01), Kamiunten et al.
patent: 5029465 (1991-07-01), Tanimura et al.
patent: 5081866 (1992-01-01), Ochiai et al.

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