Measuring and testing – Volume or rate of flow – Thermal type
Patent
1997-02-11
1998-07-14
Biegel, Ronald L.
Measuring and testing
Volume or rate of flow
Thermal type
7320421, 7320423, 7320411, 738665, G01F 168
Patent
active
057807370
ABSTRACT:
An insertion mass flow sensor having coaxial, spaced reference and active sensors mounted within an opening adjacent the distal end of the elongated flow element. The distal end of the flow element is adapted to be positioned at the center of the conduit through which fluid is flowing. In the preferred embodiment, a turbulence inducing element is mounted across the opening to condition the fluid that encounters the active sensor.
REFERENCES:
patent: 2652721 (1953-09-01), McMillan et al.
patent: 3366942 (1968-01-01), Deane
patent: 3927567 (1975-12-01), Novak et al.
patent: 4561302 (1985-12-01), Sumal et al.
patent: 4899584 (1990-02-01), McQueen
patent: 5226729 (1993-07-01), Alford
Oberholtz Glenn S.
Stumpges Fritz J.
Wible Eric J.
Biegel Ronald L.
Fluid Components Intl
Noori Max H.
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