Measuring and testing – Instrument proving or calibrating – Volume of flow – speed of flow – volume rate of flow – or mass...
Patent
1996-04-09
1998-07-28
Dombroske, George M.
Measuring and testing
Instrument proving or calibrating
Volume of flow, speed of flow, volume rate of flow, or mass...
F24F 700
Patent
active
057865256
ABSTRACT:
A flow measurement device and a VAV device are adapted to be directly coupled. The flow measurement device is adapted to automatically make and record flow measurements and to communicate the measurements to a VAV controller. The VAV controller is adapted to receive the flow measurements and self calibrate in response thereto. The VAV device is further adapted to report results of the calibration process to a system central and/or supervisory controller.
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patent: 4449664 (1984-05-01), Mithuhira et al.
patent: 4606229 (1986-08-01), Spence
patent: 4838483 (1989-06-01), Nurczyk et al.
patent: 5167366 (1992-12-01), Desmarais et al.
patent: 5267897 (1993-12-01), Drees
patent: 5479812 (1996-01-01), Juntunen et al.
Freund Mark G.
Schram Ronald
Dombroske George M.
Johnson Service Company
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