Internal Gear Pumps: How Does It Work?
Internal gear pumps work on the same principle, but the two interlocking gears have different sizes, one interlocking gear rotates inside the other. The larger gear (rotor) is an internal gear, that is, its teeth protrude inside. Within this range, a smaller external gear is installed eccentrically (idler gear – only drives the rotor). It is designed to interlock with the rotor so that...
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