| 摘要 |
<p>An improved rotor cover design for a pitot pump is disclosed. The design features a plurality of vanes (14, 16, 18, 20) emanating from the eye of the rotor cover exiting from the eye at a preferred angle of not more than 15-20 degrees from a tangent drawn to the eye. The path (36, 38, 40, 42) taken by the vanes is gradually sloping so that the vanes have at least one change in direction as they extend outwardly from the eye of the rotor cover to the periphery. The preferred embodiment comprises 4 vanes (14, 16, 18, 20) extending from the eye to the periphery, with intermediate partially extending vanes (22, 24, 26, 28) extending from the rotor cover periphery toward the eye and terminating approximately midway between.</p> |
