WORKING MEDIUM DELIVERY PUMPING SYSTEM Russian patent published in 2008 - IPC F04B13/02 

FIELD: mechanical engineering.

SUBSTANCE: device is designed for use in technological equipment of pumping plants for accurate metered out delivery of two and more components of working medium under high and low pressure into actuating member. Proposed pumping system includes pressure and drain main lines furnished with control devices, working medium source and actuating member. It contains two meters, each being made of two hemispheres interconnected by flange joint with elastic nonpenetrable diaphragm clamped in between. Intake-outlet hole is made in one of hemispheres to communicate hemisphere by channels of pressure main line through working agent flow divider and through electromagnetic valve with working agent source, and by channels of drain main line through electromagnetic valve with working agent source. Intake hole is made in other hemisphere through which hemisphere communicates by channels of pressure main line through shutoff valve with one of two sources of working medium components, and drain hole through which hemisphere communicates by channels of drain main line through shutoff valve with actuating member.

EFFECT: simplified design without reduction of quality and quantity characteristics of mixture, improved reliability of system in operation, prevention of losses of expensive components at production of mixture.

2 dwg