Means for measuring large area mass flow

Details Means for measuring large area mass flow Means for measuring large area mass flow

1982-12-23

1985-01-22

Rowland, James L.

Measuring and testing

Volume or rate of flow

Thermal type

338 7, 338 9, 338 22R, G01F 168

Patent

active

044944063

ABSTRACT:
Improved structure for measuring the air flow in large conduits, such as those used to supply air conditioning and heating ducts, by sampling substantially all of the cross sectional area of the conduit in a given transverse plane to obtain an average electrical signal which is compared with a reference signal to obtain a measured voltage corresponding to average flow.

REFERENCES:
patent: 1218205 (1917-03-01), Packard
patent: 1240797 (1917-09-01), Tatum
patent: 3472080 (1969-10-01), Webb
patent: 4213335 (1980-07-01), Peter et al.
patent: 4279147 (1981-07-01), Djorup

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