| 摘要 |
A vane pump (10) comprising a housing with at least one rotating hub (12, 14) having two vanes (28, 30, 40, 42). Each vane (28, 30, 40, 42) reciprocates in slots (24, 26, 36, 38) in the hub (12, 14) and within the housing between a positive displacement portion of rotation and a non-positive displacement portion of rotation. |
