| 摘要 |
A gear pump comprises a first gear (26) to be connected to a source of drive (21), and having a first plurality of gear teeth (30). A second gear (28) has a second plurality of teeth (32) engaged with the first gear teeth. The first gear teeth contact the second gear's teeth on a contact face (42), causing the second gear to rotate. The first plurality of teeth is greater than the second plurality of teeth. |
