Hydrostatic pressure sensor

Details Hydrostatic pressure sensor Hydrostatic pressure sensor

1990-04-25

1992-02-18

Scott, J. R.

Electricity: circuit makers and breakers

Fluid pressure

Diaphragm

200 83A, H01H 3524

Patent

active

050896741

ABSTRACT:
A hydrostatic pressure sensor, one use for which is to initiate the automatic deployment of emergency marine safety equipment, when a specified depth below the water level is exceeded. The sensor uses a novel method of compensating for ambient air temperature and barometric pressure as a means of reducing the errors in depth sensing caused by changes in the above ambient conditions.

REFERENCES:
patent: 2360848 (1944-10-01), Bryant
patent: 2824315 (1958-02-01), McKenny
patent: 2839767 (1958-06-01), Sieverts
patent: 3075208 (1963-01-01), Mercer et al.
patent: 3711222 (1973-01-01), Hartley
patent: 4350854 (1982-09-01), Matsuda et al.
patent: 4857381 (1989-08-01), Suzuki
patent: 4890090 (1989-12-01), Ballyns
patent: 4900883 (1990-02-01), Brame et al.

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