FIELD: mechanical engineering; pumps.
SUBSTANCE: invention relates to devices for handling fluid media, including contaminated ones. Proposed pump has through channel 2 and space 3 over channel communicating through slot 4, connecting rod 5 with working plate 6 suspended from crank of drive shaft provided with direction guide in form of tie-rod 9. Tie-rod 9 is installed for turning in through channel 2 by one end on walls 12 of channel 2, and by other end of working plate 6. Tie-rod 9 can be made of elastic material, and working plate 6 is furnished with spring 13 to provide tension in tie-rod 9.
EFFECT: improved reliability, enlarged sphere of application of pump.
3 cl, 4 dwg
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