Temperature compensatible pressure monitor and sensor constructi

Details Temperature compensatible pressure monitor and sensor constructi Temperature compensatible pressure monitor and sensor constructi

1990-01-09

1990-12-25

Orsino, Joseph A.

Communications: electrical

Condition responsive indicating system

Specific condition

73708, 73729, 200 83C, 200 83J, G08B 2100, H01H 3540, G01L 1904

Patent

active

049806750

ABSTRACT:
By providing pressure-responsive switch-actuation means constructed for being substantially unaffected by temperature changes, a pressure sensor is attained which is capable of monitoring pressure levels with precision, regardless of the ambient temperature to which the system is subjected. By employing temperature insensitive material to effectively compensate for temperature changes incurred by the remaining sensor components, the actuation control assembly of the sensor is capable of achieving precision monitoring of desired pressure levels regardless of changes in the ambient temperature to which the monitor assembly is exposed. In one preferred embodiment, the pressure sensor of the present invention incorporates a uniquely constructed, machined bellows which further enhances and provides precision pressure sensing capabilities.

REFERENCES:
patent: 3472077 (1969-10-01), Bucalo
patent: 3850039 (1974-11-01), Brakebill
patent: 4063057 (1977-12-01), Meisenheimer, Jr.
patent: 4198867 (1980-04-01), Olsen
patent: 4524624 (1985-06-01), DiNola et al.
patent: 4612811 (1986-09-01), Sarasohn
patent: 4630028 (1986-12-01), Kelly et al.
patent: 4654643 (1987-03-01), Meisenheimer, Jr.
patent: 4655087 (1987-04-01), Rozniecki
patent: 4697643 (1987-10-01), Sassier
patent: 4782703 (1988-11-01), Nishi

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