USB530709I5 - - Google Patents

Info

Publication number
USB530709I5
USB530709I5 US53070974A USB530709I5 US B530709 I5 USB530709 I5 US B530709I5 US 53070974 A US53070974 A US 53070974A US B530709 I5 USB530709 I5 US B530709I5
Authority
US
United States
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
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
Priority to US05/530,709 priority Critical patent/US4012944A/en
Priority to JP50114360A priority patent/JPS5168885A/ja
Priority to AU85859/75A priority patent/AU503898B2/en
Priority to NO753556A priority patent/NO753556L/no
Priority to CA240,184A priority patent/CA1096009A/en
Priority to DE19752552440 priority patent/DE2552440A1/en
Priority to GB28496/78A priority patent/GB1535919A/en
Priority to GB48255/75A priority patent/GB1535918A/en
Priority to GB28804/78A priority patent/GB1535920A/en
Priority to BR7507851*A priority patent/BR7507851A/en
Priority to BE162384A priority patent/BE836198A/en
Priority to AT929275A priority patent/AT358885B/en
Priority to IT30041/75A priority patent/IT1049985B/en
Priority to SE7513788A priority patent/SE419265B/en
Priority to US05/638,342 priority patent/US4091658A/en
Priority to FR7537653A priority patent/FR2294389A1/en
Priority to NL7514364A priority patent/NL7514364A/en
Publication of USB530709I5 publication Critical patent/USB530709I5/en
Application granted granted Critical
Publication of US4012944A publication Critical patent/US4012944A/en
Priority to US05/878,566 priority patent/US4144743A/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Pipeline Systems (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Measuring Fluid Pressure (AREA)
US05/530,709 1974-12-09 1974-12-09 Electronic fluid pipeline leak detector and method Expired - Lifetime US4012944A (en)

Priority Applications (18)

Application Number Priority Date Filing Date Title
US05/530,709 US4012944A (en) 1974-12-09 1974-12-09 Electronic fluid pipeline leak detector and method
JP50114360A JPS5168885A (en) 1974-12-09 1975-09-23
AU85859/75A AU503898B2 (en) 1974-12-09 1975-10-20 Electronic fluid pipeline leak detector
NO753556A NO753556L (en) 1974-12-09 1975-10-22
CA240,184A CA1096009A (en) 1974-12-09 1975-11-21 Electronic fluid pipeline leak detector and method
DE19752552440 DE2552440A1 (en) 1974-12-09 1975-11-22 ELECTRONIC PIPELINE LEAK ALERT SYSTEM AND ELECTRONIC PIPELINE LEAK ALERT PROCEDURE
GB28496/78A GB1535919A (en) 1974-12-09 1975-11-24 System for and a method of detecting irregularities in a fluid-carrying pipeline
GB48255/75A GB1535918A (en) 1974-12-09 1975-11-24 System for and a method of detecting irregularities in a fluid-carrying pipeline
GB28804/78A GB1535920A (en) 1974-12-09 1975-11-24 System for and a method of detecting irregularities in a fluid-carrying pipeline
BR7507851*A BR7507851A (en) 1974-12-09 1975-11-26 SYSTEM AND PROCESS TO DETECT IRREGULARITIES IN A FLUID OR SIMILAR CONDUCTING PIPING AND PROCESS OF USING AN ELECTRONIC SIGNAL
BE162384A BE836198A (en) 1974-12-09 1975-12-02 ELECTRONIC LEAK DETECTOR IN A PIPE-LINE
AT929275A AT358885B (en) 1974-12-09 1975-12-05 CIRCUIT ARRANGEMENT FOR DETECTING IRREGULARITIES IN A PIPELINE TRANSPORTING A LIQUID
IT30041/75A IT1049985B (en) 1974-12-09 1975-12-05 DEVICE AND PLANT FOR THE DETECTION OF LOSSES IN CONTAINERS
SE7513788A SE419265B (en) 1974-12-09 1975-12-08 SET AND DEVICE FOR RECORDING LEAKAGE IN A PIPE PIPE FOR A GAS OR LIQUID MEDIUM
US05/638,342 US4091658A (en) 1974-12-09 1975-12-08 Electronic fluid pipeline leak detector and method
FR7537653A FR2294389A1 (en) 1974-12-09 1975-12-09 ELECTRONIC LEAK DETECTOR IN A PIPE-LINE
NL7514364A NL7514364A (en) 1974-12-09 1975-12-09 PROCEDURE AND ELECTRONIC DEVICE FOR DETECTING LEAKS IN PIPELINES FOR FLUIDA.
US05/878,566 US4144743A (en) 1974-12-09 1978-02-16 Electronic fluid pipeline leak detector and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/530,709 US4012944A (en) 1974-12-09 1974-12-09 Electronic fluid pipeline leak detector and method

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US05/638,342 Division US4091658A (en) 1974-12-09 1975-12-08 Electronic fluid pipeline leak detector and method

Publications (2)

Publication Number Publication Date
USB530709I5 true USB530709I5 (en) 1976-04-06
US4012944A US4012944A (en) 1977-03-22

Family

ID=24114665

Family Applications (1)

Application Number Title Priority Date Filing Date
US05/530,709 Expired - Lifetime US4012944A (en) 1974-12-09 1974-12-09 Electronic fluid pipeline leak detector and method

Country Status (14)

Country Link
US (1) US4012944A (en)
JP (1) JPS5168885A (en)
AT (1) AT358885B (en)
AU (1) AU503898B2 (en)
BE (1) BE836198A (en)
BR (1) BR7507851A (en)
CA (1) CA1096009A (en)
DE (1) DE2552440A1 (en)
FR (1) FR2294389A1 (en)
GB (3) GB1535919A (en)
IT (1) IT1049985B (en)
NL (1) NL7514364A (en)
NO (1) NO753556L (en)
SE (1) SE419265B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5515715A (en) * 1993-11-19 1996-05-14 Sowinski; Richard F. Method and means for filtering contaminants from a gas stream to aid detection
US5576493A (en) * 1993-11-19 1996-11-19 Sowinski; Richard F. Method and means for filtering contaminants from a gas stream to detect filter condition in situ

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4144743A (en) * 1974-12-09 1979-03-20 Shafer Valve Company Electronic fluid pipeline leak detector and method
US4198855A (en) * 1978-03-06 1980-04-22 The Japan Steel Works Ltd. Line break detector
JPS6027372B2 (en) * 1979-06-11 1985-06-28 工業技術院長 Pipeline leak location estimation device
US4280356A (en) * 1979-07-13 1981-07-28 Shell Oil Company Pipeline leak detection
DE3009549C2 (en) * 1979-07-18 1987-01-15 Walter 2000 Hamburg Nicolai Device for automatic display of quantity changes in liquid containers
DE3720345A1 (en) * 1987-06-19 1988-12-29 Sewerin Hermann Gmbh Process for the early detection of leakage points in a water-pipe network
GB8716032D0 (en) * 1987-07-08 1987-08-12 British Telecomm Duct testing
US4876530A (en) * 1987-10-13 1989-10-24 The Marley Company Method and apparatus for detecting leakage in fuel storage and delivery systems
US5089997A (en) * 1990-11-02 1992-02-18 Pasar, Inc. Ultrasonic energy detector with frequency and amplitude indications and background noise reduction
US5272646A (en) * 1991-04-11 1993-12-21 Farmer Edward J Method for locating leaks in a fluid pipeline and apparatus therefore
US5398542A (en) * 1992-10-16 1995-03-21 Nkk Corporation Method for determining direction of travel of a wave front and apparatus therefor
US5388445A (en) * 1992-10-16 1995-02-14 Nkk Corporation Method for determining arrival and amplitude of a wave front and apparatus therefor
US5317899A (en) * 1992-12-11 1994-06-07 Control Engineers, Inc. Method for detecting leaks in underground product lines
US5361622A (en) * 1993-09-09 1994-11-08 The Shafer Valve Company Device and method for detection of leaks in pressurized fluid vessels
JPH06340384A (en) * 1994-06-21 1994-12-13 Hitachi Building Syst Eng & Service Co Ltd Elevator car
US5526679A (en) * 1995-01-05 1996-06-18 Campo/Miller Automatically calibrated pressurized piping leak detector
US5637788A (en) * 1995-08-03 1997-06-10 Motorola Inc. Apparatus and method of detecting a leak in an evaporative emissions system
US5854422A (en) * 1996-07-10 1998-12-29 K-Line Industries, Inc. Ultrasonic detector
WO2000020832A1 (en) * 1998-10-07 2000-04-13 Paavo Halmekytö Consulting Oy Method for determination of leaks in tap water systems
US6880383B2 (en) * 2003-05-14 2005-04-19 General Motors Corporation Apparatus and method for fuel vapor leak detection
US7334456B2 (en) * 2004-05-11 2008-02-26 Franklin Fueling Systems, Inc. Method and apparatus for continuously monitoring interstitial regions in gasoline storage facilities and pipelines
US7051579B2 (en) * 2004-05-11 2006-05-30 Franklin Fueling Systems, Inc. Method and apparatus for continuously monitoring interstitial regions in gasoline storage facilities and pipelines
US7438060B2 (en) * 2006-11-17 2008-10-21 General Motors Corporation System for detecting purge valve malfunction
JP5171135B2 (en) * 2007-07-09 2013-03-27 東光東芝メーターシステムズ株式会社 Gas leak detection device and method
US9146184B1 (en) * 2008-11-06 2015-09-29 AnC Precision Machining Inc. Plastic tube sealing and test system
US9146172B2 (en) * 2011-01-03 2015-09-29 Sentinel Hydrosolutions, Llc Non-invasive thermal dispersion flow meter with chronometric monitor for fluid leak detection
RU2576548C2 (en) * 2014-07-31 2016-03-10 Вячеслав Адамович Заренков Method to monitor state of building or engineering facility structure and device for its realisation
GB2551378A (en) * 2016-06-16 2017-12-20 Bentley Motors Ltd Method of assessing damage to composite members

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3628563A (en) * 1968-12-10 1971-12-21 Tokyo Shibaura Electric Co Explosion detecting means for a fluid pipeline
DE1922986C3 (en) * 1969-05-06 1975-09-18 Erdoel-Raffinerie Mannheim Gmbh, 6800 Mannheim Procedure for monitoring leaks in liquid lines
US3612081A (en) * 1970-08-17 1971-10-12 Textron Inc Apparatus and method for monitoring a fluid pressure system
US3665945A (en) * 1971-02-03 1972-05-30 M & J Valve Co Valve control system and method
BE813100A (en) * 1974-03-29 1974-07-15 UNIDIRECTIONAL FINISHED VARIATIONS DETECTOR OF AN ELECTRIC SIGNAL.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5515715A (en) * 1993-11-19 1996-05-14 Sowinski; Richard F. Method and means for filtering contaminants from a gas stream to aid detection
US5576493A (en) * 1993-11-19 1996-11-19 Sowinski; Richard F. Method and means for filtering contaminants from a gas stream to detect filter condition in situ

Also Published As

Publication number Publication date
BE836198A (en) 1976-04-01
DE2552440A1 (en) 1976-06-10
AU8585975A (en) 1977-04-28
BR7507851A (en) 1976-08-24
SE7513788L (en) 1976-06-10
NL7514364A (en) 1976-06-11
SE419265B (en) 1981-07-20
GB1535918A (en) 1978-12-13
IT1049985B (en) 1981-02-10
CA1096009A (en) 1981-02-17
JPS5168885A (en) 1976-06-14
ATA929275A (en) 1980-02-15
FR2294389B1 (en) 1980-08-29
GB1535920A (en) 1978-12-13
AT358885B (en) 1980-10-10
FR2294389A1 (en) 1976-07-09
GB1535919A (en) 1978-12-13
NO753556L (en) 1976-06-10
US4012944A (en) 1977-03-22
AU503898B2 (en) 1979-09-27

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