| 摘要 |
A fluid flow control system comprises a receiving chamber (22, Fig. 6) and first and second supply chambers (11, 12, Fig. 3) each having an outlet, the flow of fluid from the supply chambers 11, 12 to the receiving chamber 22 controlled by a rotatable valve member 15 having a first series 16 of spaced openings that can be moved into registry with the outlet of the first supply chamber 11 and a second series 17 of spaced openings that can be moved into registry with the outlet of the second supply chamber 12. The system may be used in a perfume dispenser. |
