Measuring and testing – Gas content of a liquid or a solid – By pressure of the gas
Patent
1994-02-09
1995-10-24
Williams, Hezron E.
Measuring and testing
Gas content of a liquid or a solid
By pressure of the gas
73 191, 73 497, 73149, G01F 1700, G01N 700
Patent
active
054600308
ABSTRACT:
A method for detecting trapped air in an engine cooling system includes the steps of delivering a volume of test air pressure under pressure to the radiator of the cooling system, measuring the volume of test air delivered, measuring the pressure of test air delivered, and calculating the volume of trapped air in the cooling system using Boyle's law and the measured volume and pressure of test air. A device for carrying out the method comprises a pump for delivering test air to the radiator, a motor for driving the pump, a pressure gauge or pressure switch for sensing the pressure of test air delivered, and means for determining the volume of test air delivered.
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Bloxsom Thomas J.
Boden Anthony H.
Brock Michael J.
Ford Motor Company
Kelley David B.
May Roger L.
Williams Hezron E.
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