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Control valve apparatus

A technology for controlling valves and valve chambers, which is applied to valve devices, devices for absorbing fluid energy of valves, valve lifts, etc., and can solve problems such as disc vibration and control valve device action influence

Active Publication Date: 2020-06-02
MT H CONTROL VALVE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] When the pressures flowing into the valve port are different from each other as mentioned above, the pressure difference may cause disc chattering, and disc chattering may adversely affect the operation of the control valve device

Method used

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Embodiment Construction

[0033] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. Those with ordinary knowledge in the technical field of the present invention should know that the accompanying drawings are only used to reveal the content of the present invention more easily and clearly, and the scope of the present invention is not limited by the scope of the accompanying drawings.

[0034] The terms used in the present application are only used to describe specific embodiments, and are not intended to limit the present invention. Expressions in the singular include the plural unless they are clearly distinguishable in the context of the sentence.

[0035] Terms such as "comprising" or "having" in this application only designate the existence of features, numbers, steps, actions, constituent elements, parts or their combinations described in the specification, and shall not be considered as excluding one or more other features in adv...

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Abstract

A control valve apparatus according to the present invention comprises: a driving shaft; a valve housing which includes a first valve chamber filled with a first fluid and a second valve chamber filled with a second fluid; a first port part which is provided at a first side of the valve housing and through which a first fluid is introduced; a second port part which is provided at a second side ofthe valve housing and through which a second fluid is introduced; a third port part which is provided at a third side of the valve housing and through which the first fluid, the second fluid, or a mixed fluid of the first fluid and the second fluid is discharged; a valve which allows the first fluid to flow from the first valve chamber to the third port part according to a movement of the drivingshaft in one direction, and the second fluid to flow from the second valve chamber to the third port part according to a movement of the driving shaft in the other direction; and a damping part whichis connected to the driving shaft to offset at least a part of a difference between pressure of the first fluid of the first valve chamber and pressure of the second fluid of the second valve chamber.

Description

technical field [0001] The invention discloses a control valve device. Background technique [0002] The control valve device is used to control the flow of fluid, and the fluid can flow in and out through a plurality of valve ports. [0003] As mentioned above, the general control valve device allows fluid to flow in through a plurality of valve ports, so the pressure of the fluid flowing in from each valve port may be different from each other. [0004] When the pressures flowing in from the valve ports are different from each other as described above, the pressure difference may cause a disc chattering phenomenon, and the disc chattering phenomenon adversely affects the operation of the control valve device. [0005] Therefore, research has been conducted on a control valve device capable of alleviating the disc flutter phenomenon. Contents of the invention [0006] The technical problem to be solved in the present invention [0007] The control valve device of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K47/00F16K1/34F16K27/02
CPCF16K47/00F16K1/34F16K27/02
Inventor 姜殷锡李秋东李泳三
Owner MT H CONTROL VALVE
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