Pressure transducer

Details Pressure transducer Pressure transducer

1980-01-31

1982-04-20

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

Diaphragm

73115, 73720, 73756, G01L 904

Patent

active

043252605

ABSTRACT:
A pressure transducer for automobiles comprises a closed housing, a member for detecting the pressure in the suction pipe of an engine and converting the pressure detected into electric signals, an amplification circuit disposed in the closed housing, and an air passage. The air passage communicates with the atmosphere, but prevents water from penetrating therethrough into the closed housing. The air passage comprises an air hole formed in a member defining the closed housing about terminals provided for leading the electric signals out of the closed housing.

REFERENCES:
patent: 1785861 (1930-12-01), Flogaus
patent: 1921162 (1933-08-01), Kennedy
patent: 3520191 (1970-07-01), Pien
patent: 4217783 (1980-08-01), Ito et al.

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