| 摘要 |
The invention relates to a gear pump having a sealed casing (100, 200) including a pump body (126) and a cover (156), comprising: a cavity in fluid communication with a suction area (140) and a discharge area (152); an inner gear wheel (102) provided with a number Z-1 of outer teeth and housed in the aforementioned cavity such that it can rotate about a first axis of rotation (Ei); an outer gear wheel (104) provided with a number Z of inner teeth, housed in the cavity such that it can rotate about a second axis of rotation (Ee) parallel to the first axis of rotation (Ei), and meshed with the inner gear wheel (102); and first and second inner electromagnetic assemblies that actuate the rotation of the inner and outer gear wheels (102, 104) respectively, in which said first and second inner electro-magnetic assemblies can be controlled independently by control means. |
