HOUSING OUTLET INSERT FOR CONTROL OF PUMP PERFORMANCE CHARACTERISTICS Russian patent published in 2020 - IPC F01C21/10 F04C15/06 F04F5/00 

FIELD: engines and pumps.

SUBSTANCE: group of inventions relates to outlet pump housing. Pump comprises discharge housing 12 with insert 14 with section with Venturi plug. Housing 12 is configured with outlet flow channel 12b to provide injected and discharged flow and with drilled hole 12d of insert 12, which extends from outer surface of housing 12 through wall 12c of outlet flow channel. Insert 14 has section 14a with Venturi plug intended for intake in opening 12d and located in channel 12d. Section 14a is configured with a narrowed outlet flow channel to provide partial obstruction in channel 12b and in injected and discharged flow. Section 14a comprises a locating pin configured to receive it in opening 14b, so as to configure narrowed channel of outlet flow with possibility of providing partial obstacle in channel 12b and in pumped and discharged flow.

EFFECT: group of inventions is aimed at providing an effective method of configuring the outlet passage with the implementation of the Venturi effect.

12 cl, 18 dwg