Measuring and testing – Instrument proving or calibrating – Volume of flow – speed of flow – volume rate of flow – or mass...
Patent
1980-10-01
1983-02-08
Howell, Kyle L.
Measuring and testing
Instrument proving or calibrating
Volume of flow, speed of flow, volume rate of flow, or mass...
G01L 2700
Patent
active
043721486
ABSTRACT:
A device for generating a variable frequency, variable pressure in a blood pressure measuring system to test the system for resonance or damping. The device includes within a container an opening for connection to a source of constant pressure, an exit opening where variable pressure is received and an intermediate exhaust opening. Means are provided to partially close the exhaust opening at a variable frequency.
Burke Daniel P.
Howell Kyle L.
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