FIELD: engines and pumps.
SUBSTANCE: pump comprises a drive mechanism 1 interacting with pipe 2, one end of which is in the form of a cantilever, a funnel-shaped nozzle 3, which widens towards the open end, is mounted on the other end. A pressure valve is arranged in nozzle 3. Pipeline 2 is equipped with a threaded bushing 7 fixed thereon and pipe 8, the upper end of which there is a thread 9. The lower part of the pipe 8 is mechanically interacting with pressure valve.
EFFECT: providing drainage of pumped medium.
12 cl, 2 dwg
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