42Fig.2.2 Torque convFig 2.2 Torque converter2.3 Charging pumpFig 2.3 shows the structure of charging pump.The charging pump consists of drive gear, driven gear, case and cover. They arefixed on the head of torque converter housing. The drive gear is driven by pump wheel,driven gear and drive gear, the charging pump feeds oil in the under part oftransmission to each part of it.Fig.2.3 Charging pump