SU1687985A1

SU1687985A1 - Valve

Info

Publication number: SU1687985A1
Application number: SU894739244A
Authority: SU
Inventors: Виталий Иванович Кушнир; Аркадий Борисович Каплун; Семен Иосифович Грацерштейн
Original assignee: Особое Конструкторское Бюро Радиомашиностроения "Титан"
Priority date: 1989-09-21
Filing date: 1989-09-21
Publication date: 1991-10-30

Abstract

Изобретение относитс к арматуростро- ению и может быть использована в гидро-и пневмосистемах дл агрессивных и особо чистых сред. Цель изобретени - повышение надежности работы за счет разделени протекающей и управл ющей сред. При создании давлени в камере 14 управлени приводна диафрагма 6 через кольцо 5 и рабочую диафрагму 7 воздействует на пор- шень4. При определенном давлении в камере 14 поршень 4 с шайбой 8 отходит от фланца 2, открыва выходные отверсти клапана, и жидкость поступает в систему. При сбросе давлени в камере 14 поршень 4 под действием давлени в выходной камере 13 перемещаетс в исходное положение и проток среды прекращаетс . 2 з.п.ф-лы, 3 ил.The invention relates to a valve and can be used in hydraulic and pneumatic systems for aggressive and highly pure environments. The purpose of the invention is to increase the reliability of operation due to the separation of flowing and control media. When pressure is created in the control chamber 14, the driving diaphragm 6 through the ring 5 and the working diaphragm 7 acts on the piston 4. At a certain pressure in the chamber 14, the piston 4 with the washer 8 departs from the flange 2, opening the outlets of the valve, and the liquid enters the system. When the pressure in chamber 14 is relieved, the piston 4 is moved to its initial position by the action of pressure in the outlet chamber 13 and the flow of the medium is stopped. 2 hp ff, 3 ill.

Description

Фиг.22

Claims

Claim

1. A valve comprising a housing separating the input and output chambers, a piston connected to the working diaphragm, a actuating diaphragm fixed in the housing, restricting the control chamber, which requires that, in order to increase reliability, it equipped with mounted on the outer surface. the working diaphragm with a ring in contact with the drive diaphragm, through the axial channels are made in the piston, and its ends are made of different sizes, and the end face of a smaller area is located in the output chamber.

2. The valve according to claim 1, with the fact that the piston is made in the form of a truncated cone.

3. The valve according to claim 2, characterized in that the inner surface of the ring and the outer surface of the piston are made of the same shape.

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Figure 2

Fig.Z