LIQUID RING PUMP AND LIQUID RING PUMP DRIVING METHOD Russian patent published in 2015 - IPC F04C7/00 F04C19/00 F04C27/00 

FIELD: engines and pumps.

SUBSTANCE: group of inventions relates to the liquid ring pump (1) for generation of vacuum and for pumping out of domestic sewage flow from the vacuum sewer system. The liquid ring pump contains towards the flow of household sewage the pump inlet (11), the suction chamber (13), the pump housing 14 containing the rotor (15) located on the driving shaft (16) having the mechanical seal (20), the outlet chamber (17) and the pump outlet (19). The mechanical seal (20) is located inside the outlet chamber (17). The outlet chamber (17) contains the integral protruding part (18) providing increase of the outlet chamber (17) for holding of the flow of household sewage in the outlet chamber (17) before its discharge from the pump outlet (19) for improvement of greasing of the mechanical seal (20).

EFFECT: invention is aimed at creation of the liquid ring pump with long service life.

12 cl, 6 dwg