Measuring and testing – Fluid pressure gauge – Diaphragm
Patent
1995-04-17
1996-12-24
Chilcot, Richard
Measuring and testing
Fluid pressure gauge
Diaphragm
73720, 73756, 338 4, 338 42, G01L 904, G01L 122
Patent
active
055875351
ABSTRACT:
A pressure sensor comprises a pressure-sensitive coupler body 2 having one end provided with a diaphragm 8 and strain gage 9 stacked together, an intermediate body 3 containing a printed board 21 and encircling the strain gate 9, and a signal-detective coupler body 4 opposed to the pressure-sensitive coupler body 2 via the intermediate body 3 to define a closed chamber in the intermediate body 3. The printed board 21 and the strain gage 9 are electrically connected by terminal elements 13 extended from the strain gage 9 into slidable contact with conductive elements 25 attached to an edge of the printed board 21. Vibrations or impulses produced in the diaphragm 8 are therefore absorbed by a relative displacement between the terminal elements 13 and the conductive elements 25 to protect the printed board 21 against such vibrations or impulses.
REFERENCES:
patent: 4449112 (1984-05-01), Gould
patent: 4767897 (1988-08-01), Betterton et al.
patent: 4993267 (1991-02-01), Allard et al.
patent: 5014557 (1991-05-01), Lawless
patent: 5134888 (1992-08-01), Zylka et al.
patent: 5331857 (1994-07-01), Levine
Koguchi Masayuki
Sasaki Keiji
Amrozowicz Paul D.
Chilcot Richard
Fujikoki Mfg. Co. Ltd.
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