Arrangement for sealing a reactive element within a fluid pressu

Details Arrangement for sealing a reactive element within a fluid pressu Arrangement for sealing a reactive element within a fluid pressu

1981-12-30

1983-08-02

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

Diaphragm

73728, 336 30, G01L 910

Patent

active

043959164

ABSTRACT:
An improvement in fluid pressure transducers having a housing with oppositely facing magnetic blocks (12,14) that form a sealed chamber (20) in which a magnetically permeable diaphragm (24) is disposed for magnetic coupling with electromagnetic coils (30) mounted within the blocks. The coil is mounted on an elongated plug (34) and covered by a non-magnetic, unitary metal cap (36) that is flexibly sealed between the chamber and the coil. The cap has a generally cup-like inner portion (48) for covering the coil and a flat rim portion (46) that is sealingly (58) secured between the mounting plug and shoulder means (50,60) within the block.

REFERENCES:
patent: 2641742 (1953-06-01), Wolfe et al.
patent: 2986715 (1961-05-01), Church et al.
patent: 3126518 (1964-03-01), Johannson
patent: 3147454 (1964-09-01), Epstein

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