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Valve disc assembly with bypass holes for fluid flow control devices

A control device, fluid flow technology, applied in fluid pressure control, non-electric variable control, valve device, etc., can solve problems affecting the expected operation of the device, etc.

Active Publication Date: 2017-12-12
FISHER REGYULEJTORS SHANKHAJ KO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This ultimately results in an angled arrangement of the sealing surface of the disc member 14 relative to the valve port 20, which affects the intended operation of the device.

Method used

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  • Valve disc assembly with bypass holes for fluid flow control devices
  • Valve disc assembly with bypass holes for fluid flow control devices
  • Valve disc assembly with bypass holes for fluid flow control devices

Examples

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Embodiment Construction

[0013] The present disclosure relates to a disc assembly and a fluid flow control device incorporating the disc assembly, wherein the disc assembly is designed and configured to minimize and / or eliminate pressure build-up in the disc holder behind the disc member . An aspect of the disc assembly described below achieves this effect by providing the disc holder with a fluid passage (eg, a relief hole) in communication with the rear of the disc member. So configured, any pressure build up behind the valve disc can be released from the fluid passage without dislodging the valve disc member from its intended position relative to the valve disc holder.

[0014] Referring now to the accompanying drawings, image 3 A gas regulator 100 constructed in accordance with one example of the present disclosure is described. Gas regulator 100 generally includes an actuator 102 and a regulator valve 104 . Regulator valve 104 includes an inlet 106 for receiving gas from, for example, a gas d...

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PUM

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Abstract

A disc assembly for a fluid flow control device includes an annular disc member, a disc holder, a relief hole, at least one bypass passage, and an annular groove formed on the disc holder. A safety hole is formed on the first side of the disc holder along the central axis of the assembly. An annular groove is formed on the disc holder first side, and the annular groove is disposed coaxially with the relief hole to receive at least a portion of the annular disc member. At least one bypass passage is formed in the disc holder and provides fluid communication between the relief hole and the annular groove so that, in use, plus fluid between the disc member and the disc holder collects in the annular groove. Pressurized fluid can be released from the safety hole through the bypass channel.

Description

technical field [0001] The present disclosure relates to a valve disc assembly for a fluid flow control device, and more particularly, to a valve disc assembly for a control element of a fluid regulator. Background technique [0002] The pressure supplied by a typical gas distribution system will vary depending on the demand on the system, climate, supply source and / or other factors. However, most end-user equipment with gas appliances, such as stoves, ovens, etc., require gas to be delivered at a predetermined pressure and at or below the maximum capacity of the gas regulator. Therefore, gas regulators are used in these distribution systems to ensure that the delivered gas meets the requirements of the end-user equipment. Conventional gas regulators generally include closed-loop control actuators to sense and control the pressure of the delivered gas. [0003] Different operating parameters, such as temperature and pressure, can affect the overall service life of many reg...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K1/00F16K1/36F16K31/126
CPCF16K1/36F16K31/165G05D16/0688
Inventor 韩云霞孙艳涛张勤
Owner FISHER REGYULEJTORS SHANKHAJ KO LTD
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