G - Physics – 01 – F
Patent
G - Physics
01
F
73/125, 354/22
G01F 1/34 (2006.01) A61B 5/087 (2006.01) G01F 1/32 (2006.01) G01F 1/36 (2006.01)
Patent
CA 1146776
ABSTRACT A turbulence flow meter for medical use comprising: a volume having at least two openings, one to be connected through a conduit to the patient's mouth, the other(s) to be connected to external air, a moving intercepting element inside said volume, controlled by a servosystem, the move- ments of the intercepting element causing variation of the area open to the flow. There are further provided a trans- ducer means of the pressure drop across said volume, a servo- system controlling said moving intercepting element, operating in accordance to the signal(s) coming from the transducer means, and causing a variable pressure drop across the volume, the variable pressure drop being held directly pro- portional to the flow under measurement, and a microprocessor for the detection and the evaluation of the measured flow, according to the signals coming from the transducer means and from the servosystem.
360147
Robic Robic & Associes/associates
Torresin Giuseppe
LandOfFree
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