DEVICE TO TAKE SAMPLES OF LIQUID Russian patent published in 1997 - IPC

FIELD: ecological control of pollution of aqueous media and solving of problems of prediction of ecological pollutions. SUBSTANCE: device to take samples of liquid has case placed vertically, sampling space housed inside it and windows made in its side surface. Device includes sample-taking element, protective enclosure mounted coaxially to case, upper and lower pipe unions with through holes located in side walls and drive to move enclosure. The latter is manufactured in the form of supporting cylinders produced from water soluble material, pusher made fast to enclosure, water-tight spacers positioned between pusher and supporting cylinders and spring installed in upper part of enclosure which are mounted one above other opposite to pipe unions. Enclosure has slit hole combined with lower part to hole of upper pipe union. Holes in case are made opposite to sample-taking element. Upper part of enclosure can have additional holes displaced with reference to holes in case upwards to value equal to height of supporting cylinder. EFFECT: simplified design, improved functional reliability and efficiency. 1 dwg