DE68917480D1 - Gerät zum erfassen von metallteilchen, die in einem fluid mitgeführt werden. - Google Patents
Gerät zum erfassen von metallteilchen, die in einem fluid mitgeführt werden.Info
- Publication number
- DE68917480D1 DE68917480D1 DE68917480T DE68917480T DE68917480D1 DE 68917480 D1 DE68917480 D1 DE 68917480D1 DE 68917480 T DE68917480 T DE 68917480T DE 68917480 T DE68917480 T DE 68917480T DE 68917480 D1 DE68917480 D1 DE 68917480D1
- Authority
- DE
- Germany
- Prior art keywords
- fluid
- carried
- metal particles
- detecting metal
- detecting
- 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
- 239000012530 fluid Substances 0.000 title 1
- 239000002923 metal particle Substances 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
- G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
- G01V3/101—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Geophysics (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Dispersion Chemistry (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/290,531 US4926120A (en) | 1988-12-27 | 1988-12-27 | In-line metallic debris particle detection system |
PCT/US1989/005869 WO1990007705A1 (en) | 1988-12-27 | 1989-12-22 | Arrangement for detecting metallic particles carried by a fluid |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68917480D1 true DE68917480D1 (de) | 1994-09-15 |
DE68917480T2 DE68917480T2 (de) | 1994-12-15 |
Family
ID=23116427
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68917480T Expired - Fee Related DE68917480T2 (de) | 1988-12-27 | 1989-12-22 | Gerät zum erfassen von metallteilchen, die in einem fluid mitgeführt werden. |
Country Status (10)
Country | Link |
---|---|
US (1) | US4926120A (de) |
EP (1) | EP0451209B1 (de) |
JP (1) | JP2865857B2 (de) |
KR (1) | KR0150205B1 (de) |
AR (1) | AR243279A1 (de) |
AU (2) | AU635516B2 (de) |
DE (1) | DE68917480T2 (de) |
IL (1) | IL92887A (de) |
TR (1) | TR25614A (de) |
WO (1) | WO1990007705A1 (de) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5041856A (en) * | 1988-12-27 | 1991-08-20 | United Technologies Corporation | In-line metallic debris particle detection probe and resonant evaluation system utilizing the same |
US4926120A (en) * | 1988-12-27 | 1990-05-15 | United Technologies Corporation | In-line metallic debris particle detection system |
US5235269A (en) * | 1990-03-19 | 1993-08-10 | Yokogawa Electric Corporation | Waveform measuring device |
US5760298A (en) * | 1990-11-28 | 1998-06-02 | Stewart Hughes Ltd. | System and method for monitoring debris in a fluid |
US5315243A (en) * | 1992-04-06 | 1994-05-24 | Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence | Detection and discrimination between ferromagnetic and non-ferromagnetic conductive particles in a fluid |
US5444367A (en) * | 1992-04-06 | 1995-08-22 | Minister Of National Defence | Method and apparatus for detecting particles in a fluid having coils isolated from external vibrations |
US5696331A (en) * | 1992-06-26 | 1997-12-09 | Kabushiki Kaisha Komatsu Seisakusho | Apparatus for detecting metal powder amount in hydraulic circuit |
US5680201A (en) * | 1992-10-15 | 1997-10-21 | Carrier Corporation | Apparatus for including tank circuit with shielded, single turn coil, detecting passage of end of workpiece |
US5357197A (en) * | 1992-11-10 | 1994-10-18 | Smiths Industries | Inductive debris monitor with multi-turn detector |
US5485083A (en) * | 1993-10-28 | 1996-01-16 | Smiths Industries | Transformer coupled in-line metallic debris sensor |
GB9417763D0 (en) * | 1994-08-31 | 1994-10-19 | Univ Edinburgh | Debris monitoring transducer |
US5565768A (en) * | 1994-11-10 | 1996-10-15 | Smiths, Industries Aerospace & Defense Systems, Inc. | Apparatus for detecting metallic debris in dielectric fluid having an indirectly heated thermistor for balancing a bridge network |
US5742234A (en) * | 1995-02-28 | 1998-04-21 | Vickers, Inc. | Particle detection and destruction in fluid systems |
US5608316A (en) * | 1995-08-21 | 1997-03-04 | Caterpillar Inc. | Apparatus for detecting particles in a fluid and a method for operating same |
US5608315A (en) * | 1995-08-21 | 1997-03-04 | Caterpillar Inc. | Apparatus for detecting particles in a fluid and a method for operating same |
US7572427B2 (en) † | 2001-07-03 | 2009-08-11 | Facultes Universitaires Notre-Dame De La Paix | Catalyst supports and carbon nanotubes produced thereon |
US6867603B2 (en) * | 2002-12-04 | 2005-03-15 | Delphi Technologies, Inc. | Method for measuring high frequency resistance in diesel engine lubrication oil |
GB0317675D0 (en) * | 2003-07-29 | 2003-09-03 | Rolls Royce Plc | Engine monitoring arrangement |
WO2005060653A2 (en) * | 2003-12-18 | 2005-07-07 | E.I. Dupont De Nemours And Company | Inductive probe having a looped sensing element or a terminated transmission line sensing element and methods and system for using the same |
US7794663B2 (en) * | 2004-02-19 | 2010-09-14 | Axcelis Technologies, Inc. | Method and system for detection of solid materials in a plasma using an electromagnetic circuit |
US7034549B2 (en) * | 2004-03-31 | 2006-04-25 | The United States Of America As Represented By The Secretary Of The Navy | Device to detect and measure the concentration and characterization of airborne conductive or dielectric particles |
WO2006031563A2 (en) * | 2004-09-10 | 2006-03-23 | E.I. Dupont De Nemours And Company | Method for detecting an interface between first and second strata of materials |
WO2006031564A2 (en) * | 2004-09-10 | 2006-03-23 | E.I. Dupont De Nemours And Company | Sensing apparatus for detecting an interface between first and second strata of materials |
US8018237B2 (en) | 2006-09-26 | 2011-09-13 | Ntn Corporation | Broken piece detecting sensor |
DE102007039435A1 (de) * | 2006-12-15 | 2008-06-19 | Prüftechnik Dieter Busch AG | Vorrichtung und Verfahren zum Erfassen von Partikeln in einer strömenden Flüssigkeit |
DE102007039434A1 (de) | 2007-08-21 | 2009-02-26 | Prüftechnik Dieter Busch AG | Verfahren und Vorrichtung zum Erfassen von Partikeln in einer strömenden Flüssigkeit |
US8256277B2 (en) * | 2009-06-11 | 2012-09-04 | United Technologies Corporation | Gas turbine engine debris monitoring arrangement |
DE102012013255A1 (de) * | 2012-07-03 | 2014-05-08 | Hydac Filter Systems Gmbh | Verfahren zum Detektieren von Partikeln in einem Fluidstrom |
US10295499B2 (en) | 2017-02-16 | 2019-05-21 | Spectro Scientific, Inc. | Ferrous metals measuring magnetometer system and method |
CN108008453A (zh) * | 2017-11-23 | 2018-05-08 | 中国航发沈阳黎明航空发动机有限责任公司 | 一种燃气轮机滑油系统金属屑末在线监测系统 |
CN109813761B (zh) * | 2019-03-12 | 2022-02-08 | 大连海事大学 | 一种电感磁塞式油液在线监测装置 |
US11982665B2 (en) | 2020-11-20 | 2024-05-14 | Dodge Industrial, Inc. | Oil quality sensor |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2772393A (en) * | 1952-12-23 | 1956-11-27 | California Research Corp | Water-in-oil detector |
GB1316793A (en) * | 1969-06-03 | 1973-05-16 | Euratom | Apparatusfor the detection of bubbles in a liquid metal and for the determination of metal particles in tubes |
GB1348881A (en) * | 1970-02-27 | 1974-03-27 | Smiths Industries Ltd | Particle detection apparatus |
SU741216A1 (ru) * | 1975-02-28 | 1980-06-15 | Предприятие П/Я В-2015 | Металлоискатель |
SU761964A1 (ru) * | 1978-03-13 | 1980-09-07 | Khabarovsk Polt Inst | УСТРОЙСТВО ДЛЯ ОПРВДЁЛЁНТС^""* '· КОНЦЕНТРАЦИИ ФЕРРОМАГНИТНЫХ ЧАСТИЦ ' ’ В НЁЭЛЦКТРОПРОВОДЯЩИХ СРЕДАХ |
US4176545A (en) * | 1978-06-16 | 1979-12-04 | Oddo Luigi G | Electronic engine wear detector |
GB2101330B (en) * | 1981-06-22 | 1985-02-27 | Smiths Industries Plc | Detecting particles in flowing fluids |
US4435680A (en) * | 1981-10-09 | 1984-03-06 | Medical College Of Wisconsin | Microwave resonator structure |
US4446429A (en) * | 1981-10-09 | 1984-05-01 | Medical College Of Wisconsin | Microwave resonator |
US4504788A (en) * | 1982-09-03 | 1985-03-12 | The Medical College Of Wisconsin, Inc. | Enclosed loop-gap resonator |
US4553094A (en) * | 1983-06-20 | 1985-11-12 | K. J. Law Engineers, Inc. | Method and apparatus for measuring conductivity using eddy currents with temperature compensation feature |
US4623835A (en) * | 1984-03-14 | 1986-11-18 | Medical College Of Wisconsin, Inc. | Web thickness sensor using loop-gap resonator |
US4570137A (en) * | 1984-09-04 | 1986-02-11 | Motorola, Inc. | Lumped-mode resonator |
US4654598A (en) * | 1985-03-08 | 1987-03-31 | The Regents Of The University Of California | Dielectric methods and apparatus for in situ prediction of porosity and specific surface area (i.e., soil type) and for detection of hydrocarbons, hazardous waste materials, and the degree of melting of ice and to predict in situ stress-strain behavior |
US4721913A (en) * | 1985-05-08 | 1988-01-26 | Mcw Research Foundation, Inc. | NMR local coil network |
US4724389A (en) * | 1985-05-08 | 1988-02-09 | Medical College Of Wisconsin, Inc. | Loop-gap resonator for localized NMR imaging |
US4839602A (en) * | 1986-11-04 | 1989-06-13 | Philip Morris Incorporated | Means for detecting metal in a stream of particulate matter |
US4926120A (en) * | 1988-12-27 | 1990-05-15 | United Technologies Corporation | In-line metallic debris particle detection system |
-
1988
- 1988-12-27 US US07/290,531 patent/US4926120A/en not_active Expired - Lifetime
-
1989
- 1989-12-22 EP EP90901963A patent/EP0451209B1/de not_active Expired - Lifetime
- 1989-12-22 WO PCT/US1989/005869 patent/WO1990007705A1/en active IP Right Grant
- 1989-12-22 AU AU48487/90A patent/AU635516B2/en not_active Ceased
- 1989-12-22 DE DE68917480T patent/DE68917480T2/de not_active Expired - Fee Related
- 1989-12-22 KR KR1019900701894A patent/KR0150205B1/ko not_active IP Right Cessation
- 1989-12-22 JP JP2502116A patent/JP2865857B2/ja not_active Expired - Fee Related
- 1989-12-26 IL IL9288789A patent/IL92887A/en not_active IP Right Cessation
- 1989-12-27 TR TR89/1045A patent/TR25614A/xx unknown
- 1989-12-27 AR AR89315817A patent/AR243279A1/es active
-
1993
- 1993-02-10 AU AU32963/93A patent/AU656840B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
IL92887A0 (en) | 1990-09-17 |
JPH04502513A (ja) | 1992-05-07 |
DE68917480T2 (de) | 1994-12-15 |
EP0451209B1 (de) | 1994-08-10 |
WO1990007705A1 (en) | 1990-07-12 |
IL92887A (en) | 1994-10-07 |
JP2865857B2 (ja) | 1999-03-08 |
AU4848790A (en) | 1990-08-01 |
KR920701809A (ko) | 1992-08-12 |
EP0451209A1 (de) | 1991-10-16 |
AU635516B2 (en) | 1993-03-25 |
AR243279A1 (es) | 1993-07-30 |
AU656840B2 (en) | 1995-02-16 |
KR0150205B1 (ko) | 1998-12-01 |
AU3296393A (en) | 1993-04-08 |
TR25614A (tr) | 1993-04-30 |
US4926120A (en) | 1990-05-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |