JPS5225515B1 - - Google Patents

Info

Publication number
JPS5225515B1
JPS5225515B1 JP46062248A JP6224871A JPS5225515B1 JP S5225515 B1 JPS5225515 B1 JP S5225515B1 JP 46062248 A JP46062248 A JP 46062248A JP 6224871 A JP6224871 A JP 6224871A JP S5225515 B1 JPS5225515 B1 JP S5225515B1
Authority
JP
Japan
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
JP46062248A
Other versions
JPS474914A (ja
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 filed Critical
Publication of JPS474914A publication Critical patent/JPS474914A/ja
Publication of JPS5225515B1 publication Critical patent/JPS5225515B1/ja
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
    • G01M3/2807—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
    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L2101/00—Uses or applications of pigs or moles
    • F16L2101/30—Inspecting, measuring or testing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/0318—Processes
    • Y10T137/0324—With control of flow by a condition or characteristic of a fluid
    • Y10T137/0379—By fluid pressure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7723—Safety cut-off requiring reset
    • Y10T137/7726—Responsive to change in rate of flow
    • Y10T137/7727—Excessive flow cut-off
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7784—Responsive to change in rate of fluid flow
    • Y10T137/7785—Valve closes in response to excessive flow

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Control Of Fluid Pressure (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Pipeline Systems (AREA)
JP46062248A 1970-08-17 1971-08-16 Pending JPS5225515B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US64273A US3612081A (en) 1970-08-17 1970-08-17 Apparatus and method for monitoring a fluid pressure system

Publications (2)

Publication Number Publication Date
JPS474914A JPS474914A (ja) 1972-03-11
JPS5225515B1 true JPS5225515B1 (ja) 1977-07-08

Family

ID=22054772

Family Applications (1)

Application Number Title Priority Date Filing Date
JP46062248A Pending JPS5225515B1 (ja) 1970-08-17 1971-08-16

Country Status (12)

Country Link
US (1) US3612081A (ja)
JP (1) JPS5225515B1 (ja)
AT (1) AT319674B (ja)
AU (1) AU3240771A (ja)
BE (1) BE771305A (ja)
CA (1) CA942156A (ja)
DE (1) DE2141000B2 (ja)
FR (1) FR2104397A5 (ja)
GB (1) GB1308722A (ja)
IT (1) IT945926B (ja)
LU (1) LU63738A1 (ja)
NL (1) NL149587B (ja)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4074692A (en) * 1971-10-15 1978-02-21 Shafer Homer J Pipeline break shutoff control
US3794069A (en) * 1972-11-20 1974-02-26 Res Eng Co Line break control
US3884077A (en) * 1973-06-01 1975-05-20 Southwestern Manufacturing Co Rate of pressure change sensing system
US3902523A (en) * 1974-07-12 1975-09-02 Robert T Gaut Safety valve for fluid conduits
US3952759A (en) * 1974-08-14 1976-04-27 M & J Valve Company Liquid line break control system and method
US4012944A (en) * 1974-12-09 1977-03-22 Shafer Valve Company Electronic fluid pipeline leak detector and method
US4051715A (en) * 1976-08-30 1977-10-04 Ledeen Flow Control Systems Linebreak detection system
US4109512A (en) * 1976-08-30 1978-08-29 Ledeen Flow Control Systems Linebreak detection system
DE3208342A1 (de) * 1982-03-09 1983-09-15 Alfred Teves Gmbh, 6000 Frankfurt Motor zum verstellen von ventilelementen oder klappen an hochdruck-gasleitungen
US5823235A (en) * 1997-04-03 1998-10-20 A-B Products, Inc. Emergency shut-off mechanism for propane delivery systems and the like
NO329453B1 (no) * 2007-03-16 2010-10-25 Fmc Kongsberg Subsea As Trykkontrollanordning og fremgangsmate
CN111442565B (zh) * 2018-03-03 2021-11-05 合肥哈罗沃信息科技有限责任公司 漏点检测装置的防滑方法及具有该方法的漏点检测方法
CN114593371B (zh) * 2022-03-03 2024-06-25 滨州市环海管道燃气输配有限公司 一种油气运输管道泄漏实时监测装置及监测方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2103962A (en) * 1936-05-08 1937-12-28 Sullivan Machinery Co Safety device
US2160766A (en) * 1937-04-22 1939-05-30 Mavin A Thomason Automatic pressure controlled gate valve
US2871876A (en) * 1956-03-08 1959-02-03 Westinghouse Air Brake Co Rate sensitive broken pipe protection valve apparatus
US3481362A (en) * 1967-06-14 1969-12-02 Otis Eng Corp Pressure control device

Also Published As

Publication number Publication date
CA942156A (en) 1974-02-19
JPS474914A (ja) 1972-03-11
DE2141000A1 (de) 1972-03-09
BE771305A (fr) 1971-12-16
FR2104397A5 (ja) 1972-04-14
GB1308722A (en) 1973-03-07
AT319674B (de) 1975-01-10
AU3240771A (en) 1973-02-22
IT945926B (it) 1973-05-10
US3612081A (en) 1971-10-12
NL7111166A (ja) 1972-02-21
NL149587B (nl) 1976-05-17
DE2141000B2 (de) 1974-08-29
LU63738A1 (ja) 1972-01-04

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