GEAR PUMP

摘要

A gear pump comprising a motor section (10) having a cylindrical motor stator (14) and a motor rotor (18) disposed within the motor stator (14), a pair of gears (62, 64) meshing with each other and rotating with the driving of the motor section (10), and a pump casing (22) storing the pair of gears (62, 64), wherein a handle liquid is introduced into a motor rotor chamber (40) storing the motor rotor (18) to pass between the motor stator (14) and the motor rotor (18) to be discharged out of the machine.