| 摘要 |
<p>A mounting for one or more piezoelectric bender, particularly for use in a fluid flow control device, the bender (38) is associated with an impacting member (40) which is capable of deforming a membrane (32) to control flow past a valve seat (44) upon change in the electrical condition. The bender (38) and impacting member (40) are isolated from the fluid by the membrane (32). The mounting permits the force exercised on the impacting member (40) by the free end (76) of the bender (38) to be adjusted and maintains the electrical isolation of the benders (38) one from the others. The mounting as installed provides a stationary or an adjusting fulcrum point (106) and a clamping member (82) cooperating with the fulcrum (106) for fixing the adjustment; maintains the free end (76) of the bender (38) centered over the impacting member (40); enables initial deflection adjustment; and further provides for electrical connection of the benders (38) with a fixed receptacle. Compensation can be afforded for any differences in thickness between the assembled benders (38) and the receptacle.</p> |
