摘要 |
<p>A rate of flow regulator for use in a gravity fed fluid delivery system, the regulator comprising first and second fluid chambers. The first chamber has a fluid inlet, a fluid outlet, and means for maintaining the fluid level in the chamber. The second chamber is disposed to receive fluid from that first chamber outlet and has its own fluid outlet. Vent means are also provided for establishing communication between each of the chambers and the exterior of the regulator.</p> |