HYDRAULIC CHARGE PUMP
Definition
A <HYDRAULIC CHARGE PUMP> is an <ARTEFACT> and a <PUMP> that is a fixed/positive displacement pump (normally a gear type) that charges or feeds a hydrostatic pump loop. It is normally an integral part of the transmission but can be a standalone or piggyback pump off a through drive. It makes up for internal leakages from a transmission and motor, and it will also maintain a constant back pressure that is required from most (if not all) hydrostatic pump/motor manufacturers