DE69516858D1 - Leckermittlung in einem hydraulischen System durch Änderungsrate des Füllstands - Google Patents
Leckermittlung in einem hydraulischen System durch Änderungsrate des FüllstandsInfo
- Publication number
- DE69516858D1 DE69516858D1 DE69516858T DE69516858T DE69516858D1 DE 69516858 D1 DE69516858 D1 DE 69516858D1 DE 69516858 T DE69516858 T DE 69516858T DE 69516858 T DE69516858 T DE 69516858T DE 69516858 D1 DE69516858 D1 DE 69516858D1
- Authority
- DE
- Germany
- Prior art keywords
- rate
- level
- change
- hydraulic system
- leak detection
- 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 - Fee Related
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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
- F15B20/005—Leakage; Spillage; Hose burst
-
- 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
- G01M3/32—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 containers, e.g. radiators
- G01M3/3236—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 containers, e.g. radiators by monitoring the interior space of the containers
- G01M3/3245—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 containers, e.g. radiators by monitoring the interior space of the containers using a level monitoring device
-
- 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
- G01M3/32—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 containers, e.g. radiators
- G01M3/3236—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 containers, e.g. radiators by monitoring the interior space of the containers
- G01M3/3254—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 containers, e.g. radiators by monitoring the interior space of the containers using a flow detector
-
- 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
- G01P13/02—Indicating direction only, e.g. by weather vane
- G01P13/04—Indicating positive or negative direction of a linear movement or clockwise or anti-clockwise direction of a rotational movement
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Examining Or Testing Airtightness (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/206,054 US5461903A (en) | 1994-03-03 | 1994-03-03 | Apparatus and method for detecting leak in hydraulic system |
PCT/US1995/002722 WO1995023958A1 (en) | 1994-03-03 | 1995-03-02 | Apparatus and method for detecting leak in hydraulic system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69516858D1 true DE69516858D1 (de) | 2000-06-15 |
DE69516858T2 DE69516858T2 (de) | 2000-12-07 |
Family
ID=22764785
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69516858T Expired - Fee Related DE69516858T2 (de) | 1994-03-03 | 1995-03-02 | Leckermittlung in einem hydraulischen System durch Änderungsrate des Füllstands |
Country Status (9)
Country | Link |
---|---|
US (1) | US5461903A (de) |
EP (1) | EP0748437B1 (de) |
JP (1) | JP3380558B2 (de) |
AU (1) | AU696727B2 (de) |
CA (1) | CA2184689A1 (de) |
DE (1) | DE69516858T2 (de) |
FI (1) | FI111661B (de) |
NO (1) | NO313475B1 (de) |
WO (1) | WO1995023958A1 (de) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR0120092B1 (ko) * | 1995-06-30 | 1997-10-30 | 전성원 | 수냉식 내연기관용 수온 조절기의 누수 시험장치 |
US5631632A (en) * | 1995-08-31 | 1997-05-20 | Aisin Seiki Kabushiki Kaisha | Pressure monitoring system |
US5753799A (en) * | 1996-10-25 | 1998-05-19 | Assen Exports, Inc. | Life cycle testing of swivel joints |
US6577959B1 (en) * | 2000-03-17 | 2003-06-10 | Power Plus Corporation | Fluid level measuring system for machines |
US6850849B1 (en) * | 2001-06-20 | 2005-02-01 | Curtis Roys | Fluid flow monitor and control system |
GB0421124D0 (en) * | 2004-09-22 | 2004-10-27 | Airbus Uk Ltd | Fuel leak estimator |
JP2006153635A (ja) | 2004-11-29 | 2006-06-15 | Mitsui Mining & Smelting Co Ltd | タンク内液体の漏れ検知装置 |
US7603242B2 (en) * | 2005-09-21 | 2009-10-13 | Airbus Uk Limited | Fuel leak estimator |
DE102007030992A1 (de) * | 2007-07-04 | 2009-01-08 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Tankfüllstandserfassung |
EP2201347A4 (de) * | 2007-10-18 | 2011-04-06 | Atlas Copco Rock Drills Ab | Verfahren und anordnung zur entdeckung von hydraulikölleckagen |
DK177031B1 (da) * | 2008-06-17 | 2011-02-14 | Godevelopment Aps | Et energilagringssystem |
ES2411385T3 (es) * | 2009-06-22 | 2013-07-05 | Siemens Aktiengesellschaft | Sistema de detección de fuga en una turbina eólica |
US8652233B2 (en) | 2011-03-31 | 2014-02-18 | The United States Of America, As Represented By The Administrator Of The U.S. Environmental Protection Agency | On-board hydraulic fluid degasification system for a hydraulic hybrid vehicle |
WO2013080322A1 (ja) * | 2011-11-30 | 2013-06-06 | 三菱重工業株式会社 | 再生エネルギー型発電装置およびその油漏れ検出方法 |
US8893795B2 (en) * | 2011-12-15 | 2014-11-25 | Robert N. Ayres | Automatic chemical treatment system with liquid level sensor in chemical tank for calibration and chemical dispensing rate control |
DK2802783T3 (da) * | 2012-01-13 | 2022-01-24 | Gulfstream Services Inc | Fremgangsmåde og anordning til deaktivering af en hydraulikanordning, der lækker hydraulikolie |
US20140305508A1 (en) * | 2013-04-16 | 2014-10-16 | Gulfstream Services, Inc. | Method and apparatus for deactivating a hydraulic device that is leaking hydraulic oil |
US9933328B2 (en) * | 2013-08-09 | 2018-04-03 | Eaton Intelligent Power Limited | Method for detecting a burst hose in a hydraulic system |
GB2521464A (en) * | 2013-12-20 | 2015-06-24 | Mincon Internat | Flow monitoring system |
JP6346251B2 (ja) * | 2016-11-25 | 2018-06-20 | ファナック株式会社 | 油漏れ検出装置 |
RU2715442C1 (ru) * | 2019-08-08 | 2020-02-28 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Волгоградский государственный технический университет" (ВолгГТУ) | Система защиты гидропривода |
CN110410384B (zh) * | 2019-09-01 | 2024-03-08 | 宋彦宏 | 一种液压管路的来油测量指示仪及检测方法 |
CN111473021A (zh) * | 2020-04-10 | 2020-07-31 | 四川益巨交通工程有限责任公司 | 流体渗漏检测方法及装置 |
EP4230987B1 (de) * | 2022-02-18 | 2024-01-03 | Sick Ag | Erkennung einer anomalie in einem system der fluidtechnik |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3748898A (en) * | 1971-11-04 | 1973-07-31 | Ams Choisy Le Roi | Method and apparatus related to the testing of hydraulic circuits |
US4131010A (en) * | 1977-11-09 | 1978-12-26 | E-Systems, Inc. | Hydraulic test set |
JPS5498292A (en) * | 1978-01-20 | 1979-08-03 | Nippon Steel Corp | Detecting method for quantity of abnormal external oil leakage of hydraulic units |
DE3038283C2 (de) * | 1980-10-10 | 1985-04-11 | Kracht Pumpen- Und Motorenfabrik Gmbh & Co Kg, 5980 Werdohl | Überwachungssystem für hydraulische Leitungen und/oder Antriebsgeräte |
GB2125555A (en) * | 1982-08-17 | 1984-03-07 | Coal Ind | Sensing hydraulic systems |
JPS61123787A (ja) * | 1984-11-16 | 1986-06-11 | Mitsubishi Heavy Ind Ltd | 油圧機器の異常監視装置 |
DE3512082A1 (de) * | 1985-04-02 | 1986-10-09 | G.N.G. S.n.c. di Gisonno N. e Graziano A., Beinasco, Turin/Torino | Vorrichtung zur detektion und anzeige von fluid-lecks aus einem tank, insbesondere lecks einer hydraulischen steuerfluessigkeit aus dem tank einer werkzeugmaschine |
US4930343A (en) * | 1989-03-27 | 1990-06-05 | Haden, Inc. | Apparatus for measuring and controlling fluid flow across a boundary |
-
1994
- 1994-03-03 US US08/206,054 patent/US5461903A/en not_active Expired - Fee Related
-
1995
- 1995-03-02 WO PCT/US1995/002722 patent/WO1995023958A1/en active IP Right Grant
- 1995-03-02 DE DE69516858T patent/DE69516858T2/de not_active Expired - Fee Related
- 1995-03-02 AU AU19791/95A patent/AU696727B2/en not_active Ceased
- 1995-03-02 EP EP95912731A patent/EP0748437B1/de not_active Expired - Lifetime
- 1995-03-02 CA CA002184689A patent/CA2184689A1/en not_active Abandoned
- 1995-03-02 JP JP52306495A patent/JP3380558B2/ja not_active Expired - Fee Related
-
1996
- 1996-09-02 FI FI963409A patent/FI111661B/fi not_active IP Right Cessation
- 1996-09-02 NO NO19963657A patent/NO313475B1/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FI111661B (fi) | 2003-08-29 |
FI963409A (fi) | 1996-09-02 |
AU696727B2 (en) | 1998-09-17 |
WO1995023958A1 (en) | 1995-09-08 |
JP3380558B2 (ja) | 2003-02-24 |
NO313475B1 (no) | 2002-10-07 |
FI963409A0 (fi) | 1996-09-02 |
NO963657L (no) | 1996-11-04 |
DE69516858T2 (de) | 2000-12-07 |
EP0748437A1 (de) | 1996-12-18 |
EP0748437B1 (de) | 2000-05-10 |
AU1979195A (en) | 1995-09-18 |
CA2184689A1 (en) | 1995-09-08 |
JPH09510291A (ja) | 1997-10-14 |
NO963657D0 (no) | 1996-09-02 |
US5461903A (en) | 1995-10-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8327 | Change in the person/name/address of the patent owner |
Owner name: PARKER-HANNIFIN CORP., CLEVELAND, OHIO, US |
|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |