DE69620901D1 - Verfahren und vorrichtung zur anzeige von flüssigkeitsleckagen - Google Patents
Verfahren und vorrichtung zur anzeige von flüssigkeitsleckagenInfo
- Publication number
- DE69620901D1 DE69620901D1 DE69620901T DE69620901T DE69620901D1 DE 69620901 D1 DE69620901 D1 DE 69620901D1 DE 69620901 T DE69620901 T DE 69620901T DE 69620901 T DE69620901 T DE 69620901T DE 69620901 D1 DE69620901 D1 DE 69620901D1
- Authority
- DE
- Germany
- Prior art keywords
- conduit
- section
- microwaves
- signals
- pervious
- Prior art date
- 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 - Lifetime
Links
- 239000007788 liquid Substances 0.000 title abstract 2
- 238000001514 detection method Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/006—Fluid-circulation arrangements optical fluid control arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P13/00—Indicating or recording presence, absence, or direction, of movement
- G01P13/008—Indicating or recording presence, absence, or direction, of movement by using a window mounted in the fluid carrying tube
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
- G01F23/2845—Electromagnetic waves for discrete levels
-
- 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
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
- G01M3/10—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for containers, e.g. radiators
- G01M3/106—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for containers, e.g. radiators for radiators
-
- 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
- G01M3/24—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P13/00—Indicating or recording presence, absence, or direction, of movement
- G01P13/0006—Indicating or recording presence, absence, or direction, of movement of fluids or of granulous or powder-like substances
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Examining Or Testing Airtightness (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9501401A SE505122C2 (sv) | 1995-10-16 | 1995-10-16 | Anordning vid köldmediesystem med alarmerande funktion för köldmedieläckage |
SE9601831A SE507585C2 (en) | 1995-10-16 | 1996-05-14 | Liquid leak detection apparatus, for cooling medium in conduit - uses microwaves to detect bubbles, droplets or liquid level in conduit or container |
PCT/SE1996/001308 WO1997014943A1 (en) | 1995-10-16 | 1996-10-16 | Method and device for liquid leakage indication |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69620901D1 true DE69620901D1 (de) | 2002-05-29 |
Family
ID=26662275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69620901T Expired - Lifetime DE69620901D1 (de) | 1995-10-16 | 1996-10-16 | Verfahren und vorrichtung zur anzeige von flüssigkeitsleckagen |
Country Status (7)
Country | Link |
---|---|
US (1) | US5974863A (de) |
EP (1) | EP0856150B1 (de) |
AT (1) | ATE216772T1 (de) |
AU (1) | AU7352696A (de) |
DE (1) | DE69620901D1 (de) |
SE (1) | SE507585C2 (de) |
WO (1) | WO1997014943A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11230648A (ja) * | 1998-02-13 | 1999-08-27 | Matsushita Electric Ind Co Ltd | 可燃性冷媒を用いた冷凍機器の冷媒漏洩警報装置 |
GB0013003D0 (en) * | 2000-05-30 | 2000-07-19 | Technology Limited Ab | Gas charge monitor |
SE518005C2 (sv) | 2001-03-26 | 2002-08-13 | Tigerholm Innovation Ab | Anordning och förfarande för indikering av gas/luft i ett vätskesystem |
ES2199079B2 (es) * | 2002-07-24 | 2005-05-16 | Asm-Dimatec Ingenieria, S.A. | Detector de burbujas por microondas. |
SE529598C2 (sv) | 2006-02-01 | 2007-10-02 | Svenning Ericsson | Flödeskontroll av köldmedia |
US7905099B2 (en) * | 2008-05-21 | 2011-03-15 | Justak John F | Predictive maintenance method and apparatus for HVACR systems |
US8261593B1 (en) * | 2009-10-02 | 2012-09-11 | Leon Sanders | Leak detector for heat exchanger |
ITBA20110034A1 (it) * | 2011-06-23 | 2012-12-24 | Monitech S R L Monitoring Techno Logies | Apparato e metodo per il rivelamento e la localizzazione di perdite e guasti in condotte interrate |
DE102019118909A1 (de) * | 2019-07-12 | 2021-01-14 | Vaillant Gmbh | Verfahren und Vorrichtung zur Feststellung und Bewertung von Blasen in einer Flüssigkeit in einem Kreislauf, insbesondere bei einem Wärmepumpensystem |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2248497B1 (de) * | 1973-10-18 | 1976-05-07 | Commissariat Energie Atomique | |
US4107993A (en) * | 1975-12-29 | 1978-08-22 | Monsanto Company | Method and apparatus for level measurement using microwaves |
GB1572187A (en) * | 1976-04-09 | 1980-07-23 | Elektroflo Syst | Liquid flow measurement |
US4138879A (en) * | 1977-08-22 | 1979-02-13 | Tif Instruments, Inc. | Sightless bubble detector |
US4235095A (en) * | 1978-09-01 | 1980-11-25 | Tif Instruments, Inc. | Device for detecting inhomogeneities such as gas bubbles |
US4279167A (en) * | 1979-10-01 | 1981-07-21 | Ramsey Engineering Company | Liquid coupling for doppler sonic flowmeter |
US4333353A (en) * | 1980-07-28 | 1982-06-08 | Joseph Baumoel | Two-transducer Doppler flowmeter with swept oscillator |
US4418565A (en) * | 1980-12-03 | 1983-12-06 | Baxter Travenol Laboratories, Inc. | Ultrasonic bubble detector |
US4419883A (en) * | 1982-03-01 | 1983-12-13 | Gelston Ii N E | Leak detector |
DE3412704A1 (de) * | 1983-04-06 | 1984-10-11 | Nippondenso Co., Ltd., Kariya, Aichi | Vorrichtung zum messen des alkoholgehaltes in kraftstoffgemischen |
US4607520A (en) * | 1984-01-09 | 1986-08-26 | Introtek Corporation | Method and apparatus for detecting discontinuities in a fluid stream |
US4644755A (en) * | 1984-09-14 | 1987-02-24 | Esswood Corporation | Emergency refrigerant containment and alarm system apparatus and method |
EP0198670A3 (de) * | 1985-04-11 | 1989-08-23 | Nippon Steel Corporation | Messung der Grösse von fallenden Partikeln |
US4833918A (en) * | 1986-09-24 | 1989-05-30 | Cannonbear, Inc. | Sensor and method for ullage level and flow detection |
FR2658617B1 (fr) * | 1990-02-22 | 1992-10-02 | Delahaye Jean Yves | Dispositif et procede d'identification et de quantification des hydrometeores par effet doppler. |
JPH0490867U (de) * | 1990-12-17 | 1992-08-07 | ||
US5205153A (en) * | 1992-01-23 | 1993-04-27 | Cobe Laboratories, Inc. | Method and apparatus for detection of air bubbles in tubing |
JPH06347564A (ja) * | 1993-06-11 | 1994-12-22 | Fuji Electric Co Ltd | 降雪検知器 |
-
1996
- 1996-05-14 SE SE9601831A patent/SE507585C2/sv not_active IP Right Cessation
- 1996-10-16 AU AU73526/96A patent/AU7352696A/en not_active Abandoned
- 1996-10-16 EP EP96935709A patent/EP0856150B1/de not_active Expired - Lifetime
- 1996-10-16 AT AT96935709T patent/ATE216772T1/de not_active IP Right Cessation
- 1996-10-16 DE DE69620901T patent/DE69620901D1/de not_active Expired - Lifetime
- 1996-10-16 WO PCT/SE1996/001308 patent/WO1997014943A1/en active IP Right Grant
- 1996-10-16 US US09/051,626 patent/US5974863A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
AU7352696A (en) | 1997-05-07 |
SE507585C2 (en) | 1998-06-22 |
EP0856150B1 (de) | 2002-04-24 |
WO1997014943A1 (en) | 1997-04-24 |
US5974863A (en) | 1999-11-02 |
EP0856150A1 (de) | 1998-08-05 |
SE9601831L (sv) | 1997-04-17 |
SE9601831D0 (sv) | 1996-05-14 |
ATE216772T1 (de) | 2002-05-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |