CONSUMER LIQUID SUPPLY DISPLACEMENT SYSTEM Russian patent published in 1998 - IPC

FIELD: mechanical engineering; liquid supply systems. SUBSTANCE: to provide continuous operation, each tank 1 is furnished with float device 2 engaging, through spring-loaded levers 4,5, with actuating members 9,11 of starting and cutoff valves 8,10. Two-position diaphragm valve 12 is installed on consumer liquid supply line. Spaces of valve 12 divided by diaphragm 13 are placed in communication with tanks and with consumer. Damping device 17 installed after diaphragm valve 12 is designed for smoothing out pressure fluctuations in liquid delivered to consumer at automatic changing over of tanks. EFFECT: provision of long operation by filling the tanks in service. 3 cl, 1 dwg