TWI755324B - 流體流路切換裝置 - Google Patents

流體流路切換裝置 Download PDF

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Publication number
TWI755324B
TWI755324B TW110117421A TW110117421A TWI755324B TW I755324 B TWI755324 B TW I755324B TW 110117421 A TW110117421 A TW 110117421A TW 110117421 A TW110117421 A TW 110117421A TW I755324 B TWI755324 B TW I755324B
Authority
TW
Taiwan
Prior art keywords
discharge
flow path
supply
flow rate
fluid
Prior art date
Application number
TW110117421A
Other languages
English (en)
Chinese (zh)
Other versions
TW202144746A (zh
Inventor
伊藤新治
林濃男
Original Assignee
日商喜開理股份有限公司
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 日商喜開理股份有限公司 filed Critical 日商喜開理股份有限公司
Publication of TW202144746A publication Critical patent/TW202144746A/zh
Application granted granted Critical
Publication of TWI755324B publication Critical patent/TWI755324B/zh

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    • 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
    • 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
    • G01M3/2807—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 pipes
    • 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
    • G01M3/2807—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 pipes
    • G01M3/2815—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 pipes using pressure measurements

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Details Of Valves (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
TW110117421A 2020-05-29 2021-05-14 流體流路切換裝置 TWI755324B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020-093948 2020-05-29
JP2020093948A JP7254745B2 (ja) 2020-05-29 2020-05-29 流体流路切換装置

Publications (2)

Publication Number Publication Date
TW202144746A TW202144746A (zh) 2021-12-01
TWI755324B true TWI755324B (zh) 2022-02-11

Family

ID=78728340

Family Applications (1)

Application Number Title Priority Date Filing Date
TW110117421A TWI755324B (zh) 2020-05-29 2021-05-14 流體流路切換裝置

Country Status (3)

Country Link
JP (1) JP7254745B2 (ja)
CN (1) CN113740005B (ja)
TW (1) TWI755324B (ja)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101220875A (zh) * 2008-01-28 2008-07-16 李家聪 流量信息阀
CN105402478A (zh) * 2014-09-09 2016-03-16 霍尼韦尔国际公司 具有电子阀检漏***的气阀
US20170370754A1 (en) * 2016-06-22 2017-12-28 Homebeaver Inc. Fluid flow measuring and control devices and method
CN107976223A (zh) * 2017-11-16 2018-05-01 哈尔滨工业大学 一种高精度泄漏量检测装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1095075C (zh) * 1998-11-30 2002-11-27 浙江大学 液压***泄漏故障诊断方法
JP3870814B2 (ja) 2002-03-29 2007-01-24 株式会社デンソー 圧縮エア監視システム
JP4088149B2 (ja) * 2002-12-27 2008-05-21 新日本製鐵株式会社 油圧装置の異常監視方法
DE502004007932D1 (de) 2004-11-19 2008-10-02 Festo Ag & Co Diagnosevorrichtung für wenigstens eine pneumatische ventil-aktuator-anordnung
JP5331986B2 (ja) 2009-01-06 2013-10-30 Ｓｍｃ株式会社 流体圧機器の駆動検出回路及び駆動検出方法
CN102636321B (zh) * 2012-04-12 2015-01-07 三一重型装备有限公司 液压支架的泄漏诊断***和诊断方法、液压支架
EP2904365B1 (en) * 2012-10-05 2020-04-22 Eaton Corporation Automatic oil spill detection system
KR101492250B1 (ko) * 2014-06-10 2015-02-13 디와이파워 주식회사 유압 실린더의 내부 누유량 측정 장치
CN105465101B (zh) * 2014-10-23 2018-12-11 徐州重型机械有限公司 一种液压油缸内泄漏检测设备及装置
JP6819893B2 (ja) 2016-04-27 2021-01-27 Smc株式会社 シリンダの動作状態監視装置
JP6815881B2 (ja) * 2017-02-01 2021-01-20 ナブテスコ株式会社 流体圧駆動装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101220875A (zh) * 2008-01-28 2008-07-16 李家聪 流量信息阀
CN105402478A (zh) * 2014-09-09 2016-03-16 霍尼韦尔国际公司 具有电子阀检漏***的气阀
US20170370754A1 (en) * 2016-06-22 2017-12-28 Homebeaver Inc. Fluid flow measuring and control devices and method
CN107976223A (zh) * 2017-11-16 2018-05-01 哈尔滨工业大学 一种高精度泄漏量检测装置

Also Published As

Publication number Publication date
JP2021188552A (ja) 2021-12-13
JP7254745B2 (ja) 2023-04-10
TW202144746A (zh) 2021-12-01
CN113740005A (zh) 2021-12-03
CN113740005B (zh) 2024-02-20

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