CENTRIFUGAL GEAR-TYPE PUMP Russian patent published in 2015 - IPC F04C2/08 F04C11/00 F04D13/12 

FIELD: engines and pumps.

SUBSTANCE: centrifugal gear-type pump includes gears 2 located in bores of housing 1 and being engaged, in the hubs of which there are channels 3 for liquid supply to inter-teeth cavities 5 ending with intake holes 6 interacting with spreaders 7 of suction and delivery cavities, which are fixed in housing 1. Before intake holes 6 of supply channels there installed with a possibility of axial movement is throttling needle 8 so that its outside diameter is located inside spreaders 7.

EFFECT: simpler design and improved operating reliability of the pump.

2 cl, 2 dwg