RU97106433A - PUMP UNLOADING MACHINE - Google Patents

PUMP UNLOADING MACHINE

Info

Publication number
RU97106433A
RU97106433A RU97106433/06A RU97106433A RU97106433A RU 97106433 A RU97106433 A RU 97106433A RU 97106433/06 A RU97106433/06 A RU 97106433/06A RU 97106433 A RU97106433 A RU 97106433A RU 97106433 A RU97106433 A RU 97106433A
Authority
RU
Russia
Prior art keywords
unloading machine
pump unloading
valve
discharge valve
piston
Prior art date
Application number
RU97106433/06A
Other languages
Russian (ru)
Other versions
RU2131999C1 (en
Inventor
В.А. Тимохин
В.Ф. Солдовский
Original Assignee
ОАО "Брянский машиностроительный завод"
Filing date
Publication date
Application filed by ОАО "Брянский машиностроительный завод" filed Critical ОАО "Брянский машиностроительный завод"
Priority to RU97106433/06A priority Critical patent/RU2131999C1/en
Priority claimed from RU97106433/06A external-priority patent/RU2131999C1/en
Publication of RU97106433A publication Critical patent/RU97106433A/en
Application granted granted Critical
Publication of RU2131999C1 publication Critical patent/RU2131999C1/en

Links

Claims (1)

Автомат разгрузки насоса, преимущественно для гидропривода механизированных крепей, содержащий корпус с каналами подвода, отвода и слива рабочей жидкости, обратный клапан, сервоклапан, имеющий запорный элемент с направляющим хвостовиком, последовательно установленные поршень-толкатель, толкатели промежуточный и дополнительный, регулировочные пружины нижнего и верхнего пределов регулирования, клапан разгрузки с мягким уплотнением манжетного типа, выполненный в форме дифференциального поршня, отличающийся тем, что клапан разгрузки выполнен с возможностью соединить полости высокого и низкого давления, минуя уплотнительный узел через имеющиеся осевой и радиальные каналы.A pump unloading machine, mainly for hydraulic support of mechanized supports, comprising a housing with channels for supplying, discharging and draining the working fluid, a check valve, a servo valve having a locking element with a guiding shank, a piston-pusher in series, intermediate and additional pushers, and lower and upper springs the limits of regulation, the discharge valve with a soft seal of the cuff type, made in the form of a differential piston, characterized in that the discharge valve in Made with the ability to connect the cavity of high and low pressure, bypassing the sealing unit through the existing axial and radial channels.
RU97106433/06A 1997-04-18 1997-04-18 Automatic machine for discharging pump RU2131999C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU97106433/06A RU2131999C1 (en) 1997-04-18 1997-04-18 Automatic machine for discharging pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU97106433/06A RU2131999C1 (en) 1997-04-18 1997-04-18 Automatic machine for discharging pump

Publications (2)

Publication Number Publication Date
RU97106433A true RU97106433A (en) 1999-04-27
RU2131999C1 RU2131999C1 (en) 1999-06-20

Family

ID=20192201

Family Applications (1)

Application Number Title Priority Date Filing Date
RU97106433/06A RU2131999C1 (en) 1997-04-18 1997-04-18 Automatic machine for discharging pump

Country Status (1)

Country Link
RU (1) RU2131999C1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2470183C1 (en) * 2011-07-22 2012-12-20 ОТКРЫТОЕ АКЦИОНЕРНОЕ ОБЩЕСТВО "Центральный научно-исследовательский институт автоматики и гидравлики"(ОАО "ЦНИИАГ") Pump automatic unloader

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