DE69516858D1 - Leckermittlung in einem hydraulischen System durch Änderungsrate des Füllstands - Google Patents

Leckermittlung in einem hydraulischen System durch Änderungsrate des Füllstands

Info

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
Application number
DE69516858T
Other languages
English (en)
Other versions
DE69516858T2 (de
Inventor
C Harms
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Parker Hannifin Corp
Original Assignee
Fluid Power Industries Inc
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 by Fluid Power Industries Inc filed Critical Fluid Power Industries Inc
Application granted granted Critical
Publication of DE69516858D1 publication Critical patent/DE69516858D1/de
Publication of DE69516858T2 publication Critical patent/DE69516858T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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)
DE69516858T 1994-03-03 1995-03-02 Leckermittlung in einem hydraulischen System durch Änderungsrate des Füllstands Expired - Fee Related DE69516858T2 (de)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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