Immersion control device and associated alarm system

Details Immersion control device and associated alarm system Immersion control device and associated alarm system

1987-11-23

1989-05-23

Orsino, Joseph A.

Communications: electrical

Condition responsive indicating system

Specific condition

340667, 200 85A, 5455, G08B 2100

Patent

active

048334570

ABSTRACT:
An immersion control device. The device includes a fluid filled manifold and a fluid filled support device. Fluid pressure in the fluid filled support device equals fluid pressure in the fluid manifold notwithstanding respective fluid volumes. Immersion depth is controlled by increasing or decreasing fluid pressure. A fluid pressure regulator operates manually or automatically in response to a feedback of a fluid pressure change. Regulating members and spaced apart conductors or conductive stages can be used to provide feedback and activate an alarm, the fluid pressure regulator or both.

REFERENCES:
patent: Re28754 (1976-03-01), Cook et al.
patent: 3533095 (1970-10-01), Collins
patent: 3631438 (1971-12-01), Lewin
patent: 3860773 (1975-01-01), Fontaine
patent: 4020482 (1977-04-01), Feldl
patent: 4068334 (1978-01-01), Randall
patent: 4086458 (1978-04-01), Dickey
patent: 4172216 (1979-10-01), O'Shea
patent: 4638307 (1987-01-01), Swartout

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