JPS5072683A - - Google Patents
Info
- Publication number
- JPS5072683A JPS5072683A JP8591674A JP8591674A JPS5072683A JP S5072683 A JPS5072683 A JP S5072683A JP 8591674 A JP8591674 A JP 8591674A JP 8591674 A JP8591674 A JP 8591674A JP S5072683 A JPS5072683 A JP S5072683A
- 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
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
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
- G01M3/18—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
- Pipeline Systems (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732337983 DE2337983C2 (de) | 1973-07-26 | 1973-07-26 | Ortungs- und Überwachungsschaltung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5072683A true JPS5072683A (OSRAM) | 1975-06-16 |
Family
ID=5888050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8591674A Pending JPS5072683A (OSRAM) | 1973-07-26 | 1974-07-26 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5072683A (OSRAM) |
| AT (1) | AT351842B (OSRAM) |
| CH (1) | CH572187A5 (OSRAM) |
| DE (1) | DE2337983C2 (OSRAM) |
| FR (1) | FR2257856B1 (OSRAM) |
| GB (1) | GB1481850A (OSRAM) |
| SE (1) | SE397585B (OSRAM) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5382909A (en) | 1983-06-30 | 1995-01-17 | Raychem Corporation | Method for detecting and obtaining information about changes in variables |
| US5015958A (en) | 1983-06-30 | 1991-05-14 | Raychem Corporation | Elongate sensors comprising conductive polymers, and methods and apparatus using such sensors |
| ATE77155T1 (de) | 1983-06-30 | 1992-06-15 | Raychem Corp | Methode zur erkennung und beschaffung von information ueber die veraenderungen von variablen. |
| SE456376B (sv) * | 1983-12-08 | 1988-09-26 | Helmersson Rune | Larmanordning vid isolerat rorsystem |
| JPS613300A (ja) * | 1984-04-11 | 1986-01-09 | レイケム・コ−ポレイシヨン | 可変状態の変化に関する情報の検出・獲得用装置 |
| JPS60263872A (ja) * | 1984-06-07 | 1985-12-27 | レイケム・コ−ポレイシヨン | 出来事に関する情報の検知・位置検出用装置および方法 |
| WO1986007483A1 (en) | 1985-06-12 | 1986-12-18 | Raychem Corporation | Hydrocarbon sensor |
| SE447682B (sv) * | 1985-07-26 | 1986-12-01 | Safe Bridge Ab | Larmsystem med minst en signalledning for indikering av skada pa och/eller forsok till manipulation av ledningen |
| AT388430B (de) * | 1987-05-06 | 1989-06-26 | Scheuermann Herbert Dipl Ing | Vorrichtung zur feststellung und ortung von leckstellen in einer ein feuchtes medium fuehrenden rohrleitung |
| DE3721205A1 (de) * | 1987-06-26 | 1989-01-05 | Pfaudler Werke Ag | Verfahren zur feststellung eines schadens einer korrosionsschutzschicht und messeinrichtung zur durchfuehrung dieses verfahrens |
| DE3822123C1 (OSRAM) * | 1988-06-30 | 1990-03-15 | Bernd 2325 Grebin De Brandes | |
| US4926129A (en) * | 1988-10-12 | 1990-05-15 | Raychem Corporation | Sensor assembly for detecting multiple events and distinguishing between them |
| DE59004755D1 (de) * | 1989-09-05 | 1994-04-07 | Brandes Bernd | Verfahren und Vorrichtung zur Ortung des wahren Ortes einer Leckstelle in einer ein feuchtes Medium führenden Rohrleitung. |
| DE19604821C1 (de) * | 1996-02-10 | 1997-10-02 | Michael Hesky Gmbh | Vorrichtung zur Leckerfassung bei Rohrleitungen |
| DE102011113039A1 (de) * | 2011-09-09 | 2013-03-14 | Kurt Bruse | Vorrichtung zum Erkennen von Leckagen an Leitungen von Undichtheiten in Wassersperren einer im Boden befindlichen Gebäudewand, sowie Schaltung zum Betreiben der Vorrichtung |
| CN106123109B (zh) * | 2016-08-05 | 2022-02-15 | 倪晨钧 | 一种管道监测系统 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE579184C (de) * | 1931-04-08 | 1933-06-22 | Berthold Jenewein Dr Ing | Feuchtigkeitsanzeigevorrichtung fuer Isolierungen |
| DE637703C (de) * | 1934-03-07 | 1936-11-02 | Ludwig Maurer Dipl Ing | Einrichtung zur elektrischen Fernanzeige der metrischen Entfernung undichter Stellen in Rohrleitungen |
| DE1814857A1 (de) * | 1968-09-05 | 1970-04-30 | Siemens Ag | Anordnung zur Signalisierung von Leckstellen in einer Rohrleitung zum Fluessigkeitstransport |
-
1973
- 1973-07-26 DE DE19732337983 patent/DE2337983C2/de not_active Expired
-
1974
- 1974-07-20 CH CH998174A patent/CH572187A5/xx not_active IP Right Cessation
- 1974-07-24 SE SE7409603A patent/SE397585B/xx not_active IP Right Cessation
- 1974-07-25 GB GB3287574A patent/GB1481850A/en not_active Expired
- 1974-07-25 AT AT612874A patent/AT351842B/de not_active IP Right Cessation
- 1974-07-26 JP JP8591674A patent/JPS5072683A/ja active Pending
- 1974-07-26 FR FR7426135A patent/FR2257856B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH572187A5 (OSRAM) | 1976-01-30 |
| ATA612874A (de) | 1979-01-15 |
| FR2257856A1 (OSRAM) | 1975-08-08 |
| GB1481850A (en) | 1977-08-03 |
| SE7409603L (OSRAM) | 1975-01-27 |
| DE2337983C2 (de) | 1984-03-22 |
| SE397585B (sv) | 1977-11-07 |
| DE2337983A1 (de) | 1975-02-06 |
| AT351842B (de) | 1979-08-10 |
| FR2257856B1 (OSRAM) | 1979-08-03 |