| 摘要 |
<p>SPEED GOVERNOR FOR IRRIGATION SYSTEM In a system including, for example, an irrigation line supported by towers and rotatable about a central pivot, one tower thereof, for example, the outermost tower, includes a governor system for providing that increased water flow is provided to the water motor driving that tower as that tower is driven up a grade, and decreased water flow is provided to the water motor driving that tower as that tower is driven down a grade, as compared to the water flow to such water motor as the tower is driven over generally level ground.</p> |
