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8381586 Unitary drive system for water meter  
A metering apparatus for measuring the flow of water or other fluid through a conduit. The meter comprises a measuring chamber, in which is disposed a nutating ball and disc. A unitary biaxial...
5065903 Fluid delivery system for controlling fluid flow  
A delivery system for controlling the flow of fluid is disclosed. The comprises a control valve comprising an electric control motor and a valve, and a hydraulic piston type motor including a...
3773423 AUTOMATIC ANALYZER  
An automatic analyzer which combines a measured volume of a liquid sample with measured volumes of reagents in proper order, mixes and times the reacting liquids, and senses resulting liquid color...
3725931 AUTOMATIC INTEGRATOR CONTROL FOR RADIOMETRIC GUIDANCE  
A microwave radiometric sensor is provided with a voltage variable integrr controlled by a voltage from a difference amplifier that compares the integrator output signal with a reference voltage....
3068695 Flow measuring device  
Matches 1 - 5 out of 5