Full range-high accuracy air flow sensing device

Details Full range-high accuracy air flow sensing device Full range-high accuracy air flow sensing device

1995-12-26

1997-09-09

Chilcot, Richard

Measuring and testing

Volume or rate of flow

Using differential pressure

7386153, 7386162, G01F 146

Patent

active

056659237

ABSTRACT:
An air flow sensing device comprised of rotatable spaced dampers, shafts to rotate the dampers, a counter-weight attached to a shaft biasing the dampers to a closed position with respect to air flow and pressure sensor means to determine the velocity of the air passing between and around the dampers when the dampers are in a closed position.

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patent: 4777932 (1988-10-01), Pennington
patent: 4993269 (1991-02-01), Guillaume et al.

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