Measuring and testing – Volume or rate of flow – Using differential pressure
Patent
1988-11-29
1990-06-12
Goldstein, Herbert
Measuring and testing
Volume or rate of flow
Using differential pressure
128725, G01F 142, A61B 508
Patent
active
049322699
ABSTRACT:
A flow device is provided for sensing air flow and includes a body having at the opposite ends thereof coaxial bores. Counterbores extend inwardly from the coaxial bores and are interconnected by a restricted bore having lateral bores extending from opposite ends thereof to provide a pneumatic pressure drop. The bottom portions of the respective counterbores are relieved to provide a pair of troughs for water collection outside of the normal air flow area so that water can accumulate for an extended period of time before interferring with pressure drop readings.
REFERENCES:
patent: 2760371 (1956-08-01), Borden
patent: 3626755 (1971-12-01), Rudolph
patent: 3949739 (1976-09-01), Rodder
Brisson Alfred G.
Cammarata, III Frank
Grychowski Jerry R.
Urman Robert
Goldstein Herbert
Monaghan Medical Corporation
Wolters Robert M.
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