Electric tilt switch with a liquid contact closer

Details Electric tilt switch with a liquid contact closer Electric tilt switch with a liquid contact closer

1985-07-12

1987-03-10

Scott, J. R.

Electricity: circuit makers and breakers

Special application

Change of inclination or of rate of motion responsive

200 6152, 200215, 200220, 200223, H01H 2920, H01H 3514

Patent

active

046492402

ABSTRACT:
An electrical tilt switch comprises a closed housing having an annular geometry and made of insulating material. In the closed housing thee is positioned a first annular electrode and at least a second annular electrode spaced from the first annular electrode. A pool of conducting liquid is disposed within the housing so as to immerse one electrode without immersing the other when the switch is in a horizontal position. Upon tilting the switch to a preselected angle, the pool of conducting liquid immerses two of the electrodes and therefore closes the switch.

REFERENCES:
patent: 1925274 (1933-09-01), Norviel
patent: 1937137 (1933-11-01), Barclay
patent: 1948687 (1934-02-01), Swinne
patent: 2716169 (1955-08-01), Hanson
patent: 3818437 (1974-06-01), Di Marco
patent: 3973095 (1976-08-01), Greene
patent: 4138600 (1979-02-01), Ozols
patent: 4333094 (1982-06-01), Osborne

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