KR20240135844A - 컨트롤 밸브의 시트 누설 검지 방법 - Google Patents

컨트롤 밸브의 시트 누설 검지 방법 Download PDF

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Publication number
KR20240135844A
KR20240135844A KR1020247027982A KR20247027982A KR20240135844A KR 20240135844 A KR20240135844 A KR 20240135844A KR 1020247027982 A KR1020247027982 A KR 1020247027982A KR 20247027982 A KR20247027982 A KR 20247027982A KR 20240135844 A KR20240135844 A KR 20240135844A
Authority
KR
South Korea
Prior art keywords
pressure
downstream
upstream
time
flow rate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
KR1020247027982A
Other languages
English (en)
Korean (ko)
Inventor
카츠유키 스기타
카오루 히라타
신야 오가와
마사요시 카와시마
코우지 니시노
Original Assignee
가부시키가이샤 후지킨
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 가부시키가이샤 후지킨 filed Critical 가부시키가이샤 후지킨
Publication of KR20240135844A publication Critical patent/KR20240135844A/ko
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
    • G01M3/2876—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • G01M13/003—Machine valves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow
    • G05D7/06—Control of flow characterised by the use of electric means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Measuring Volume Flow (AREA)
KR1020247027982A 2022-06-29 2023-06-05 컨트롤 밸브의 시트 누설 검지 방법 Pending KR20240135844A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022104288 2022-06-29
JPJP-P-2022-104288 2022-06-29
PCT/JP2023/020791 WO2024004535A1 (ja) 2022-06-29 2023-06-05 コントロール弁のシートリーク検知方法

Publications (1)

Publication Number Publication Date
KR20240135844A true KR20240135844A (ko) 2024-09-12

Family

ID=89382734

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020247027982A Pending KR20240135844A (ko) 2022-06-29 2023-06-05 컨트롤 밸브의 시트 누설 검지 방법

Country Status (4)

Country Link
JP (1) JPWO2024004535A1 (https=)
KR (1) KR20240135844A (https=)
TW (1) TWI886498B (https=)
WO (1) WO2024004535A1 (https=)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018070464A1 (ja) 2016-10-14 2018-04-19 株式会社フジキン 流体制御装置
JP2020087164A (ja) 2018-11-29 2020-06-04 株式会社フジキン コントロール弁のシートリーク検知方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5605487A (en) * 1994-05-13 1997-02-25 Memc Electric Materials, Inc. Semiconductor wafer polishing appartus and method
JP3105433B2 (ja) * 1995-10-17 2000-10-30 松下電器産業株式会社 配管漏洩検知装置
JP5007278B2 (ja) * 2008-06-19 2012-08-22 本田技研工業株式会社 ガス漏れ診断装置及びガス漏れ診断方法
KR102121260B1 (ko) * 2015-12-25 2020-06-10 가부시키가이샤 후지킨 유량 제어 장치 및 유량 제어 장치를 사용하는 이상 검지 방법

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018070464A1 (ja) 2016-10-14 2018-04-19 株式会社フジキン 流体制御装置
JP2020087164A (ja) 2018-11-29 2020-06-04 株式会社フジキン コントロール弁のシートリーク検知方法

Also Published As

Publication number Publication date
TWI886498B (zh) 2025-06-11
TW202414139A (zh) 2024-04-01
JPWO2024004535A1 (https=) 2024-01-04
WO2024004535A1 (ja) 2024-01-04

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Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20240821

Patent event code: PA01051R01D

Comment text: International Patent Application

PA0201 Request for examination
PG1501 Laying open of application