CONCENTRIC LOCATING

1. To supply a signal to the input of a circuit, transmission line, or antenna. 2. Process or act of supplying material to a processing unit for treatment. 3. The material supplied to a processing unit for treatment. 3. A device that moves stock or workpieces to, in, or from a die. 4. Forward motion imparted to the cutters or drills of cutting or drilling machinery.

The signal applied to the device that makes corrective changes in a controlled process or machine.

Any nonfloat device for measurement and control of liquid levels in storage tanks or process vessels; includes use of manometers, capacitances, electroprobes, nuclear radiation, and sonics.

A process in which an electronic device automatically performs the recalibration of a measuring range of a weighing instrument, for example an electronic balance.

Device for the controlled 227 fluid distributor fluid dram distribution of fluid feed to a process unit, such as a liquid-gas or liquid-solids contactor, reactor, mixer, burner, or heat exchanger; can be a simple perforated-pipe sparger, spray head, or such.

A heat transfer device that uses the heat rejected by a refrigeration process to provide heat. A combined cooling and heating unit.

1. A mechanism to activate process control equipment by use of pneumatic, hydraulic, or electronic signals; for example, a valve actuator for opening or closing a valve to control the rate of fluid flow. 2. An auxiliary external electrode used to apply a known electrostatic force to the diaphragm of a microphone for calibration purposes. Also known as electrostatic actuator. 3. A device that produces mechanical force by means of pressurized fluid.

The porous device which performs the actual process of filtration.

1. Application of voltage to an electrolytic capacitor, electrolytic rectifier, or semiconductor device to produce a desired permanent change in electrical characteristics as a part of the manufacturing process. 2. A process for shaping or molding sheets, rods, or other pieces of hot glass, ceramic ware, plastic, or metal by the application of pressure.

The act or process of driving a tubular device into soft rock material for obtaining dry samples.