A pressure sensor measures pressure, typically of gases or liquids. Pressure is an expression of the force required to stop a fluid from expanding.
A device which can convert mass to electrical signal.
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A mechanical seal is a device that helps join systems or mechanisms together by preventing leakage, containing pressure, or excluding contamination.
A machine element that constrains relative motion and reduces friction between moving parts to only the desired motion.
An impeller (also written as impellor or impellar) is a rotor used to increase (or decrease in case of turbines) the pressure and flow of a fluid.
A device used to connect two shafts together at their ends for the purpose of transmitting power.