Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1988-04-29
1989-01-31
Orsino, Joseph A.
Communications: electrical
Condition responsive indicating system
Specific condition
73307, 73319, 200 84C, G08B 2100
Patent
active
048019267
ABSTRACT:
The device is of the type comprising a magnet carried by a float and a magnetically actuable electric contact carried by a support element which also performs the function of guarding the float. The most important characteristic of the device is that of providing positioning means which maintain the float constantly centered with respect to the support element during excursions of this latter caused by the hydrostatic thrust exerted by the liquid.
REFERENCES:
patent: 3857004 (1974-12-01), Kavthekar
patent: 4020481 (1977-04-01), Nakagawa
patent: 4258238 (1981-03-01), Dombrowski et al.
patent: 4694128 (1987-09-01), Lupoli et al.
Jackson Jill D.
Meller Michael E.
Orsino Joseph A.
Veglia Borletti S.r.L.
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