Portable gas pressure monitor with independently adjustable high and low set points

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United States of America Patent

PATENT NO 5542287
SERIAL NO

08323633

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A portable gas pressure monitor includes a pressure sensor which may be coupled to a pipeline tap downstream of a work area, and first and second comparator circuits receiving the signal from the pressure sensor and comparing the pressure signal with a low pressure set point and a high pressure set point. The two set points define a safe range for the pressure of the gas being monitored. If the sensed gas pressure falls below the low set point one audible signal is generated, and if the sensed pressure exceeds the high set point, a distinctly different audible signal is generated, thus immediately and unequivocally alerting operating personnel of the nature of any alarm. The pressure is also displayed for the operator.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
NORTHERN ILLINOIS GAS COMPANYPOST OFFICE BOX 190 AURORA IL 60507-0190

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Powers, Robert D Shorewood, IL 2 96

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