RU2008110778A

RU2008110778A - SCREW CENTRIFUGAL PUMP

Info

Publication number: RU2008110778A
Application number: RU2008110778/06A
Authority: RU
Inventors: Николай Борисович Болотин (RU); Николай Борисович Болотин; Дмитрий Валентинович Моисеев (RU); Дмитрий Валентинович Моисеев
Original assignee: Николай Борисович Болотин (RU); Николай Борисович Болотин; Дмитрий Валентинович Моисеев (RU); Дмитрий Валентинович Моисеев
Priority date: 2008-03-20
Filing date: 2008-03-20
Publication date: 2009-09-27

Abstract

1. Шнекоцентробежный насос, содержащий корпус и установленные на валу шнек и крыльчатку, отличающийся тем, что перед шнеком установлен дополнительный шнек, который выполнен с втулкой и бандажом, между шнеками на бандажах выполнена фрикционная муфта, дополнительный шнек установлен с возможностью осевого перемещения и подпружинен в торец со стороны входа насоса пружиной автомата управления нагрузкой шнека, установленной на валу. ! 2. Шнекоцентробежный насос по п.1, отличающийся тем, что пружина установлена внутри стакана и упирается с одной стороны в его внутренний торец, а с другой - через крышку и контактное кольцо в торец втулки дополнительного шнека со стороны входа насоса.1. A screw centrifugal pump comprising a housing and an auger and an impeller mounted on a shaft, characterized in that an additional auger is installed in front of the auger, which is made with a sleeve and a band, a friction clutch is made between the augers on the bandages, the additional auger is mounted with the possibility of axial movement and is spring loaded in end from the inlet side of the pump by the spring of the screw load control machine mounted on the shaft. ! 2. The screw centrifugal pump according to claim 1, characterized in that the spring is installed inside the cup and abuts on one side of its inner end, and on the other hand, through the cover and contact ring into the end face of the additional screw sleeve from the pump inlet side.

Claims

1. A screw centrifugal pump comprising a housing and an auger and an impeller mounted on a shaft, characterized in that an additional auger is installed in front of the auger, which is made with a sleeve and a band, a friction clutch is made between the augers on the bandages, the additional auger is mounted with the possibility of axial movement and is spring loaded in end from the inlet side of the pump by the spring of the screw load control machine mounted on the shaft.

2. The screw centrifugal pump according to claim 1, characterized in that the spring is installed inside the cup and abuts on one side of its inner end, and on the other hand, through the cover and contact ring into the end face of the additional screw sleeve from the pump inlet side.