公开(公告)号：US5061156A

公开(公告)日：1991-10-29

申请号：US525593

申请日：1990-05-18

申请人： Eric R. Kuehne ,  Donald D. Hester

发明人： Eric R. Kuehne ,  Donald D. Hester

IPC分类号： F04B43/08 ,  F04B49/06

CPC分类号： F04B43/08 ,  F04B49/065

摘要： A microprocessor controlled bellows-type pump system for the precise and accurate pumping and dispensing of fluids. The pump comprises a longitudinally contracting bellows which is supported from warping under fluid pressure by a support bushing in contact with the inside folds of the bellows. A stepper motor drives the bellows position via a lead screw. A system of four valves: a dispense valve, shut-off valve, vent valve, and suck-back valve, control fluid routing within a manifold. One or two pressure transducers allow the microprocessor to control valve positions and stepper motor turning for well behaved dispensing operations.

摘要翻译： 微处理器控制的波纹管式泵系统，用于精确和精确的泵送和分配流体。 泵包括纵向收缩波纹管，该波纹管在流体压力下由与波纹管的内部折叠部接触的支撑衬套支撑。 步进电机通过导螺杆驱动波纹管位置。 四个阀门系统：分配阀，截止阀，排气阀和回吸阀，控制流体在歧管内的路线。 一个或两个压力传感器允许微处理器控制阀位置和步进电机转动，以实现良好的分配操作。