26 Fluid Flowmeters; Ring Balance Meters; Chart Type Recorders for Recording Fluid Flow, Pressure, Temperature, Furnace Draft, Liquid Levels, and Percentage of CO2; Panel Assemblies of Meters and Recorders; Integrators; Charts for Use on Recorders; Power Operated Regulators Responsive to a Control Force to Effect a Control Function; Master Controllers Responsive to a Condition to Produce a Control Force; Combustion Control Devices to Control the Proportions of Fuel and Air Supplied to a Combustion Chamber; Desuperheater Controls to Proportion the Quantities of Superheated Steam and Water to Produce the Desired Steam Temperature; Boiler Feedwater Controls to Regulate the Level of Water in the Boiler; Fluid Flow Controls to Maintain a Measured Flow in a Conduit; Fluid Ratio Controls to Proportion a Plurality of Flows to the Desired Ratio; and Steam-Accumulator Controls to Regulate the Flow of Live Steam to an Accumulator
Trademark: 71446812
