FR2409508A1 - Dispositif pour detecter la presence de particules electroconductrices dans un fluide - Google Patents
Dispositif pour detecter la presence de particules electroconductrices dans un fluideInfo
- Publication number
- FR2409508A1 FR2409508A1 FR7832337A FR7832337A FR2409508A1 FR 2409508 A1 FR2409508 A1 FR 2409508A1 FR 7832337 A FR7832337 A FR 7832337A FR 7832337 A FR7832337 A FR 7832337A FR 2409508 A1 FR2409508 A1 FR 2409508A1
- Authority
- FR
- France
- Prior art keywords
- fluid
- particles
- electroconductor
- detecting
- interval
- 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.)
- Granted
Links
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
- G01N15/0656—Investigating concentration of particle suspensions using electric, e.g. electrostatic methods or magnetic methods
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; viscous liquids; paints; inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
- G01N33/2835—Oils, i.e. hydrocarbon liquids specific substances contained in the oil or fuel
- G01N33/2858—Oils, i.e. hydrocarbon liquids specific substances contained in the oil or fuel metal particles
Abstract
L'INVENTION CONCERNE UN DISPOSITIF POUR DETECTER LA PRESENCE DE PARTICULES ELECTROCONDUCTRICES DANS UN FLUIDE. DANS UN CONDUIT DE FLUIDE, UN INTERVALLE 19 EST MENAGE AU VOISINAGE D'UN FILTRE 11. LES PARTICULES METALLIQUES SONT ENTRAINEES PAR LE FLUIDE DANS L'INTERVALLE OU ELLES FORMENT UN PONT CONDUCTEUR QUI FERME UN CIRCUIT ELECTRIQUE 2, 18, 22, 23, 24 RELIE A UN DISPOSITIF AVERTISSEUR 23. APPLICATION NOTAMMENT AUX CIRCUITS HYDRAULIQUES.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB48016/77A GB1595955A (en) | 1977-11-18 | 1977-11-18 | Device for detecting electrically conductive particles in a non-conductive fluid |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2409508A1 true FR2409508A1 (fr) | 1979-06-15 |
FR2409508B1 FR2409508B1 (fr) | 1981-12-18 |
Family
ID=10447068
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7832337A Granted FR2409508A1 (fr) | 1977-11-18 | 1978-11-16 | Dispositif pour detecter la presence de particules electroconductrices dans un fluide |
Country Status (4)
Country | Link |
---|---|
US (1) | US4205904A (fr) |
FR (1) | FR2409508A1 (fr) |
GB (1) | GB1595955A (fr) |
IT (1) | IT1100557B (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0159094A2 (fr) * | 1984-04-17 | 1985-10-23 | Shell Internationale Researchmaatschappij B.V. | Appareil pour la détection de particules de débris métalliques |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57148016A (en) * | 1981-03-09 | 1982-09-13 | Nissan Motor Co Ltd | Exhaust gas cleaner |
US4467637A (en) * | 1982-12-28 | 1984-08-28 | The Boeing Company | Debris detection system and method |
US4657671A (en) * | 1984-03-19 | 1987-04-14 | Aeroquip Corporation | Liquid filter with chip detecting means |
US4686469A (en) * | 1985-08-12 | 1987-08-11 | Tribometrics, Inc. | Method and device for measuring magnetic particles in a fluid |
US4887475A (en) * | 1988-05-20 | 1989-12-19 | Gill & Duffus Products, Inc. | Apparatus and method for marking bulk loaded containers to indicate the presence of metallic contaminants |
US5406208A (en) * | 1992-05-21 | 1995-04-11 | Benz Companies, Inc. | Method and apparatus for eliminating chips in a chip detection circuit and for determining chip size |
US5604441A (en) * | 1995-03-14 | 1997-02-18 | Detroit Diesel Corporation | In-situ oil analyzer and methods of using same, particularly for continuous on-board analysis of diesel engine lubrication systems |
US6113482A (en) * | 1999-06-10 | 2000-09-05 | Marlen Research Corporation | Metal-detectable elastomeric material for piston seals and the like |
US6104300A (en) * | 1999-07-26 | 2000-08-15 | Kline, Jr.; William F. E. | Fill tube alarm system |
US6443010B1 (en) * | 1999-12-16 | 2002-09-03 | Lucent Technologies Inc. | Audible air flow detector for air filters |
WO2007124297A1 (fr) * | 2006-04-21 | 2007-11-01 | Contech Stormwater Solutions Inc. | Système de traitement des eaux de pluie avec détection automatique de l'accumulation de polluants |
US9448196B2 (en) * | 2014-07-01 | 2016-09-20 | Cranksaver LLC | Electronically conductive fluid detector |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2349992A (en) * | 1939-10-23 | 1944-05-30 | Schrader Walter | Device for indicating contaminations in oil circulation systems |
US3502970A (en) * | 1967-10-06 | 1970-03-24 | Patrick T Thayer | Apparatus having filter screen for detecting particles in a fluid stream |
US3553672A (en) * | 1968-06-03 | 1971-01-05 | John N Smith | Electrically-conductive particle detector |
US3676773A (en) * | 1969-02-03 | 1972-07-11 | Hans A Eckhardt | Apparatus for detecting electrically conductive particles using a gas permeable, but liquid impermeable surface |
FR2279096A1 (fr) * | 1975-03-05 | 1976-02-13 | Poclain Sa | Procede de detection d'impuretes dans un fluide et detecteur faisant application du procede |
US3949389A (en) * | 1974-02-28 | 1976-04-06 | Itt Industries, Inc. | Moisture detector |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3186549A (en) * | 1961-07-06 | 1965-06-01 | Dietrich W Botstiber | Liquid filtering device with indicating means |
-
1977
- 1977-11-18 GB GB48016/77A patent/GB1595955A/en not_active Expired
-
1978
- 1978-11-13 US US05/959,951 patent/US4205904A/en not_active Expired - Lifetime
- 1978-11-16 FR FR7832337A patent/FR2409508A1/fr active Granted
- 1978-11-17 IT IT29913/78A patent/IT1100557B/it active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2349992A (en) * | 1939-10-23 | 1944-05-30 | Schrader Walter | Device for indicating contaminations in oil circulation systems |
US3502970A (en) * | 1967-10-06 | 1970-03-24 | Patrick T Thayer | Apparatus having filter screen for detecting particles in a fluid stream |
US3553672A (en) * | 1968-06-03 | 1971-01-05 | John N Smith | Electrically-conductive particle detector |
US3676773A (en) * | 1969-02-03 | 1972-07-11 | Hans A Eckhardt | Apparatus for detecting electrically conductive particles using a gas permeable, but liquid impermeable surface |
US3949389A (en) * | 1974-02-28 | 1976-04-06 | Itt Industries, Inc. | Moisture detector |
FR2279096A1 (fr) * | 1975-03-05 | 1976-02-13 | Poclain Sa | Procede de detection d'impuretes dans un fluide et detecteur faisant application du procede |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0159094A2 (fr) * | 1984-04-17 | 1985-10-23 | Shell Internationale Researchmaatschappij B.V. | Appareil pour la détection de particules de débris métalliques |
EP0159094A3 (en) * | 1984-04-17 | 1987-03-18 | Shell Internationale Research Maatschappij B.V. | Apparatus for detecting metal debris particles |
Also Published As
Publication number | Publication date |
---|---|
US4205904A (en) | 1980-06-03 |
IT7829913A0 (it) | 1978-11-17 |
IT1100557B (it) | 1985-09-28 |
GB1595955A (en) | 1981-08-19 |
FR2409508B1 (fr) | 1981-12-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |