Measuring and testing – Fluid pressure gauge – Diaphragm
Reexamination Certificate
2008-02-27
2010-02-09
Allen, Andre J (Department: 2855)
Measuring and testing
Fluid pressure gauge
Diaphragm
Reexamination Certificate
active
07658112
ABSTRACT:
When the distribution of the pressure applied to a mat is measured, a plurality of detection units is established in the air mat and the sensor for measuring the pressure applied to the air mat is needed to be provided for each detection unit. The mat for pressure measurement2is arranged the first medium accommodation object21bon the right side and the second medium accommodation object22bon the left side. The first connecting pipeline21ais connected to the first medium accommodation object21band the second connecting pipeline22ais connected to the second medium accommodation object22b, respectively. Since the internal diameter K4of the second connecting22ais set smaller than the internal diameter K2of the first connecting pipeline21aand the pipeline length of the second connecting pipeline22ais set longer than that of the first connecting pipeline21ain the mat for pressure measurement2, the pressure loss coefficient of the second connecting pipeline22ahas a greater value than that of the first connecting pipeline21a.
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Ackerman Senterfitt
Allen Andre J
Neils, Esq. Paul F.
Tanita Corporation
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