TH6859A - Direct-acting pressure regulators that compensate for pressure drop - Google Patents

Abstract

A control device that performs a self-compensating pressure drop consisting of a shroud shroud, a spring and a lower body, and a diaphragm that is inserted between them. The lower body has inlet and outlet channels arranged in one direction. The camshafts and the base of the pressure reducing gas release unit are installed. The same piece to move with the diaphragm. And this part has a first surface cam surface for direct contact with the movable plate holder, the plate holder moves in a straight line within the vent pipe, the support that supports the cam surface valve, allowing the tongue holder to move. With a rate that is not directly proportional to the displacement of the diaphragm The opening tube has an extension that acts to accelerate the diaphragm. A pressure-reducing gas release mechanism is incorporated into the upper part of the diaphragm.The pushback spring acts between a similar second cam surface on the opposite side of the stem and the plate holder to make the cone surface. That one is always in contact with the plate holder

Claims (9)

1. Pressure control valve that can compensate for pressure drop. With inlet and outlet Which consists of Parts that are diaphragm Part that provides control force on one side of the diaphragm assembly The tongue parts that are connected to the inlet and also include the openings that support the tongue and the movable flute plate that moves in And comes out of contact with the tongue support The part that is the rod that is connected to the diaphragm part And there is a cam surface for adjusting the position of such tongue plate parts Compared to the valve support, the non-path rate in response to the movement of the diaphragm components. The opening pipe supports the support for the tongue. And also includes the conductive parts Such a movable type tongue plate piece It includes a tongue plate holder with the cam's surface in contact with the cam surface. And such a tongue plate and conductive parts work with such a plate holder. To limit the movement of the disk holder to a linear movement along the axis of the said opening pipe. Pressure-reducing gas release parts that have direct flow contact with the openings. Accelerating parts consisting of protrusions of the said openings in connection with the said outlet. For applying pressure to the other side of the diaphragm and back pressure part. To make the cam surface always come into contact with the surface of the cam tracker 2. Tool according to claim 1, where the part of the said shaft includes the end of the shaft defining the cam surface. On one side of the stem And set a similar cam surface on the opposite end of the shaft And where the pushback part consists of The return spring connected between the disk holder and the similar cam surface. To make the cam surface always come into contact with the surface of the cam tracker 3. Tools according to claim 2, where the said conductive part consists of grooves opposite each other on either side of a pair of diameters in the said opening pipe and where the flange holder includes protrusions Out like many wings that work with such grooves 4. The pressure-compensating gas control valve consists of a spring-wrapped body. And the lower body The diaphragm is separated between the body of the spring wrap. And the lower body as above An adjustable spring element in the body encapsulates the spring to provide pressure on one side of the diaphragm. The connecting rod is attached to the diaphragm and has a non-linear cam surface protruding into the lower body. Inlet and outlet in the lower body Which are arranged in the same axis A tongue support that is installed in the inlet. Plate holder including parts for support Tongue plate placed on such tongue plate holder. The openings working with such support parts on the flange holder to support the flanges move in a straight line to move the flanges in and out of contact with the flanges. say Such flange clamps have a cross-sectional area that is significantly smaller than the cross-sectional area of such openings. To allow the gas to flow over it and the cam surface connection part on the rod directly into the flange holder. 5. The instrument according to claim 4, where the opening has an extension for accelerating, positioned adjacent to the said exit. To control the pressure on the other side of the diaphragm 6. The equipment according to claim 5 also includes a pressure-reducing gas release element in the spring shroud that is connected to the diaphragm. 7. Gas control valve that can compensate for pressure drop. Which consists of Body wrap, spring and lower body The diaphragm is separated between the hull of the spring and the lower hull. An adjustable spring element in the body encapsulates the spring to provide pressure on one side of the diaphragm. The connecting rod is attached to the diaphragm and has a curved end protruding in the lower hull. Inlet and outlet in the lower body Which are arranged in the same axis The tongue support is installed in the inlet pipe, the opening that is the support of the tongue support. The ducts have an extension for accelerating. Located next to the said exit channel To regulate the pressure on the other side of the diaphragm. Parts for mounting the tongue plate To move in a straight line And comes out of contact with the tongue support The piece for connecting the aforementioned curved ends of the rod Directly attached to the mounting parts of the said flange. A component that serves to release gas, reducing the pressure in the cylinder wrapped in the spring And the aforementioned movable flap parts, including a flapper holder with extended wings. And the said opening will include a pair of opposing inner grooves that work with the wings. 8. Instrument according to claim 7, where the parabolic ends consist of a cam surface. And where the cam mount includes the cam tracker surface in contact with the cam surface. It also includes a similar cam surface on the opposite side of the stem and the return spring connected between the flange holder and the similar cam surface. 9. The instrument according to claim 8, where the cam surface will cause the movement of the holder at a non-linear rate in response to the diaphragm part 1. 0. The equipment according to claim 9 also includes a pressure-reducing gas release element in the spring-shrouded enclosure connected to the diaphragm. And where the stem includes the base of the pressure-reducing gas release part. With a wide area connected to the diaphragm