Low pressure transducer

Details Low pressure transducer Low pressure transducer

1984-01-17

1985-10-08

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

Diaphragm

73727, 338 4, 338 42, G01L 904

Patent

active

045452555

ABSTRACT:
A transducer is provided for measuring very low pressures, on the order of 1.5 inches of water. A fluid-tight elastomeric barrier formed with convolutions to allow relatively large linear deflections is bonded to stiff sensing element of minimum mass, the deflection of which is sensed by strain gauges mounted on a neck connecting the sensing element to the transducer housing.

REFERENCES:
patent: 3180154 (1965-04-01), Li et al.
patent: 3427885 (1969-02-01), Konigsberg
patent: 3520191 (1970-07-01), Pien
patent: 3724274 (1973-04-01), Millar
patent: 3748623 (1973-07-01), Millar
patent: 3772628 (1973-11-01), Underwood et al.
patent: 3884078 (1975-05-01), Zeiringer
patent: 3918019 (1975-11-01), Nunn
patent: 4291293 (1981-09-01), Yamada et al.

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