CA1153114A - Method of sensing malfunctions of check valve mounted in pipeline and apparatus therefor - Google Patents

Method of sensing malfunctions of check valve mounted in pipeline and apparatus therefor

Info

Publication number: CA1153114A
Authority: CA; Canada
Prior art keywords: check valve; dynamic pressure; valve; normal operation; valve opening
Prior art date: 1979-11-26
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.): Expired

Application number

CA000365334A

Other languages

English (en)

French (fr)

Inventor

Tatsuo Imaizumi

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Hitachi Ltd

Original Assignee

Hitachi Ltd

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.)

1979-11-26

Filing date

1980-11-24

Publication date

1983-08-30

1980-11-24 Application filed by Hitachi Ltd filed Critical Hitachi Ltd

1983-08-30 Application granted granted Critical

1983-08-30 Publication of CA1153114A publication Critical patent/CA1153114A/en

Status Expired legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 20
230000007257 malfunction Effects 0.000 title claims description 25
238000011144 upstream manufacturing Methods 0.000 claims abstract description 5
239000012530 fluid Substances 0.000 claims description 21
230000002159 abnormal effect Effects 0.000 claims description 11
238000013461 design Methods 0.000 claims description 10
238000005070 sampling Methods 0.000 claims description 7
238000012544 monitoring process Methods 0.000 claims description 6
230000005856 abnormality Effects 0.000 abstract description 14
238000003745 diagnosis Methods 0.000 abstract description 9
230000006870 function Effects 0.000 description 4
238000012986 modification Methods 0.000 description 4
230000004048 modification Effects 0.000 description 4
238000010276 construction Methods 0.000 description 3
238000010586 diagram Methods 0.000 description 3
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
238000011010 flushing procedure Methods 0.000 description 2
238000012545 processing Methods 0.000 description 2
229920006395 saturated elastomer Polymers 0.000 description 2
230000009897 systematic effect Effects 0.000 description 2
FBOUIAKEJMZPQG-AWNIVKPZSA-N (1E)-1-(2,4-dichlorophenyl)-4,4-dimethyl-2-(1,2,4-triazol-1-yl)pent-1-en-3-ol Chemical compound C1=NC=NN1/C(C(O)C(C)(C)C)=C/C1=CC=C(Cl)C=C1Cl FBOUIAKEJMZPQG-AWNIVKPZSA-N 0.000 description 1
208000036366 Sensation of pressure Diseases 0.000 description 1
230000001133 acceleration Effects 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
238000012937 correction Methods 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
230000000881 depressing effect Effects 0.000 description 1
238000007599 discharging Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
239000002803 fossil fuel Substances 0.000 description 1
230000005484 gravity Effects 0.000 description 1
238000007689 inspection Methods 0.000 description 1
230000000737 periodic effect Effects 0.000 description 1
230000035939 shock Effects 0.000 description 1
238000012360 testing method Methods 0.000 description 1

Landscapes

Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Check Valves (AREA)

CA000365334A 1979-11-26 1980-11-24 Method of sensing malfunctions of check valve mounted in pipeline and apparatus therefor Expired CA1153114A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP15204479A JPS5676767A (en)	1979-11-26	1979-11-26	Detecting method for abnormality in swing-type nonreturn valve
JP152044/1979		1979-11-26

Publications (1)

Publication Number	Publication Date
CA1153114A true CA1153114A (en)	1983-08-30

Family

ID=15531823

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000365334A Expired CA1153114A (en)	1979-11-26	1980-11-24	Method of sensing malfunctions of check valve mounted in pipeline and apparatus therefor

Country Status (3)

Country	Link
JP (1)	JPS5676767A (2)
AU (1)	AU526510B2 (2)
CA (1)	CA1153114A (2)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4777979A (en) *	1987-11-16	1988-10-18	Westinghouse Electric Corp.	Position detector for clapper of non-return valve
US4805665A (en) *	1988-01-04	1989-02-21	League Billy E	Fluid flow check device
US5115672A (en) *	1991-02-11	1992-05-26	Westinghouse Electric Corp.	System and method for valve monitoring using pipe-mounted ultrasonic transducers
US5154080A (en) *	1986-10-29	1992-10-13	Westinghouse Electric Corp.	Integrated check valve testing system
CN119163805A (zh) *	2024-11-20	2024-12-20	中国空气动力研究与发展中心低速空气动力研究所	压力扫描阀状态监测方法、装置以及设备

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2008115891A (ja) *	2006-10-31	2008-05-22	Inax Corp	湯水混合弁
CN107782560A (zh) *	2017-11-20	2018-03-09	潍柴动力股份有限公司	一种旁通式增压器故障检测方法及装置
CN108680347B (zh) *	2018-05-14	2020-03-24	中广核研究院有限公司	一种杂质环境下阀门流量特性鉴定方法
CN110887658A (zh) *	2018-09-05	2020-03-17	东泰高科装备科技（北京）有限公司	一种气体安全回路控制方法
CN114607505B (zh) *	2022-03-01	2023-03-21	潍柴动力股份有限公司	一种发动机增压器故障检测方法、检测装置和检测设备

1979
- 1979-11-26 JP JP15204479A patent/JPS5676767A/ja active Granted
1980
- 1980-11-24 AU AU64628/80A patent/AU526510B2/en not_active Ceased
- 1980-11-24 CA CA000365334A patent/CA1153114A/en not_active Expired

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5154080A (en) *	1986-10-29	1992-10-13	Westinghouse Electric Corp.	Integrated check valve testing system
US4777979A (en) *	1987-11-16	1988-10-18	Westinghouse Electric Corp.	Position detector for clapper of non-return valve
US4805665A (en) *	1988-01-04	1989-02-21	League Billy E	Fluid flow check device
US5115672A (en) *	1991-02-11	1992-05-26	Westinghouse Electric Corp.	System and method for valve monitoring using pipe-mounted ultrasonic transducers
CN119163805A (zh) *	2024-11-20	2024-12-20	中国空气动力研究与发展中心低速空气动力研究所	压力扫描阀状态监测方法、装置以及设备

Also Published As

Publication number	Publication date
AU526510B2 (en)	1983-01-13
JPS5740942B2 (2)	1982-08-31
AU6462880A (en)	1981-07-02
JPS5676767A (en)	1981-06-24

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Legal Events

Date	Code	Title	Description
2000-08-30	MKEX	Expiry