ITRM920108A1 - Dispositivo sensore elettrico per rivelare la presenza di particelle ferrose in un fluido che utilizza un oscillatore risonante serie ed un microprocessore. - Google Patents

Dispositivo sensore elettrico per rivelare la presenza di particelle ferrose in un fluido che utilizza un oscillatore risonante serie ed un microprocessore.

Info

Publication number
ITRM920108A1
ITRM920108A1 IT000108A ITRM920108A ITRM920108A1 IT RM920108 A1 ITRM920108 A1 IT RM920108A1 IT 000108 A IT000108 A IT 000108A IT RM920108 A ITRM920108 A IT RM920108A IT RM920108 A1 ITRM920108 A1 IT RM920108A1
Authority
IT
Italy
Prior art keywords
microprocessor
detect
fluid
sensor device
series resonant
Prior art date
Application number
IT000108A
Other languages
English (en)
Inventor
Paul H Nielsen
Original Assignee
Vickers Inc Societa Del Delaware
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 Vickers Inc Societa Del Delaware filed Critical Vickers Inc Societa Del Delaware
Publication of ITRM920108A0 publication Critical patent/ITRM920108A0/it
Publication of ITRM920108A1 publication Critical patent/ITRM920108A1/it
Application granted granted Critical
Publication of IT1258348B publication Critical patent/IT1258348B/it

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16NLUBRICATING
    • F16N29/00Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00Magnetic separation
    • B03C1/02Magnetic separation acting directly on the substance being separated
    • B03C1/28Magnetic plugs and dipsticks
    • B03C1/282Magnetic plugs and dipsticks with associated accumulation indicator, e.g. Hall sensor
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/06Investigating concentration of particle suspensions
    • G01N15/0656Investigating concentration of particle suspensions using electric, e.g. electrostatic methods or magnetic methods
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/26Oils; Viscous liquids; Paints; Inks
    • G01N33/28Oils, i.e. hydrocarbon liquids
    • G01N33/2835Specific substances contained in the oils or fuels
    • G01N33/2858Metal particles
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08Electric 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
    • G01V3/10Electric 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
    • G01V3/101Electric 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Remote Sensing (AREA)
  • Pathology (AREA)
  • General Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Electromagnetism (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Dispersion Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
ITRM920108A 1991-02-22 1992-02-19 Dispositivo sensore elettrico per rivelare la presenza di particelle ferrose in un fluido che utilizza un oscillatore risonante serie ed unmicroprocessore. IT1258348B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US65911091A 1991-02-22 1991-02-22

Publications (3)

Publication Number Publication Date
ITRM920108A0 ITRM920108A0 (it) 1992-02-19
ITRM920108A1 true ITRM920108A1 (it) 1993-08-19
IT1258348B IT1258348B (it) 1996-02-26

Family

ID=24644075

Family Applications (1)

Application Number Title Priority Date Filing Date
ITRM920108A IT1258348B (it) 1991-02-22 1992-02-19 Dispositivo sensore elettrico per rivelare la presenza di particelle ferrose in un fluido che utilizza un oscillatore risonante serie ed unmicroprocessore.

Country Status (6)

Country Link
US (1) US5334932A (it)
JP (1) JP2501992B2 (it)
DE (1) DE4205344A1 (it)
FR (1) FR2673290A1 (it)
GB (1) GB2253061B (it)
IT (1) IT1258348B (it)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5675249A (en) * 1994-03-10 1997-10-07 Simmonds Precision Products, Inc. Portable optical fluid debris detector including cover and calibrating magnet
US5742234A (en) * 1995-02-28 1998-04-21 Vickers, Inc. Particle detection and destruction in fluid systems
DE19524353A1 (de) * 1995-07-04 1997-01-09 Joerg Prof Dr Ing Hoffmann Verfahren und Anordnung zur Bestimmung von magnetisierbaren Partikeln in Öl und Hydraulikflüssigkeiten
US5608315A (en) * 1995-08-21 1997-03-04 Caterpillar Inc. Apparatus for detecting particles in a fluid and a method for operating same
US5608316A (en) * 1995-08-21 1997-03-04 Caterpillar Inc. Apparatus for detecting particles in a fluid and a method for operating same
US5767670A (en) * 1996-08-29 1998-06-16 Texas Instruments Incorporated Method and apparatus for providing improved temperature compensated output for variable differential transformer system
JP3742998B2 (ja) * 1997-03-26 2006-02-08 住友電気工業株式会社 磁性体濃度の検出方法及び装置
US6004817A (en) * 1997-04-04 1999-12-21 3M Innovative Properties Company Method for measuring stress levels in polymeric compositions
DE19823836C2 (de) * 1998-05-28 2000-05-04 Fresenius Medical Care De Gmbh Vorrichtung und Verfahren zum berührungsfreien Messen der Leitfähigkeit einer in einem Strömungskanal befindlichen Flüssigkeit
EP0994337A3 (en) * 1998-10-09 2001-08-16 General Electric Company Electric chip detector
US6529007B2 (en) * 1999-08-04 2003-03-04 Ellen Ott Temperature compensation for ground piercing metal detector
US6445177B1 (en) * 1999-11-17 2002-09-03 Vibro-Meter S.A. Chip-detector assembly having improved probe-retention features
US7029581B2 (en) * 2003-03-26 2006-04-18 Eaton Corporation Lubricant particle collector having a connector with a ball locking mechanism
US7383120B2 (en) * 2003-08-01 2008-06-03 General Motors Corporation Methods and apparatus for adjusting frequency and/or PWM-based sensors
US8287724B2 (en) * 2007-07-05 2012-10-16 Baxter International Inc. Dialysis fluid measurement systems using conductive contacts
US20090007642A1 (en) * 2007-07-05 2009-01-08 Baxter International Inc. Dialysis fluid measurement method and apparatus using conductive contacts
US8151626B2 (en) * 2007-11-05 2012-04-10 Honeywell International Inc. System and method for sensing high temperature particulate matter
US9176206B2 (en) * 2008-03-07 2015-11-03 California Institute Of Technology Effective-inductance-change based magnetic particle sensing
WO2010015025A1 (en) * 2008-08-04 2010-02-11 University Of South Australia A sensor using a bifilar coil
US9599591B2 (en) 2009-03-06 2017-03-21 California Institute Of Technology Low cost, portable sensor for molecular assays
US8502527B2 (en) * 2010-10-08 2013-08-06 GM Global Technology Operations LLC Transmission debris sensor
USD722896S1 (en) * 2012-09-13 2015-02-24 Tesona Gmbh & Co. Kg Electronic temperature sensor
DE102013111682A1 (de) * 2013-10-23 2015-04-23 Wittenstein Ag Abriebsensor
DE102014219968A1 (de) * 2014-10-01 2016-04-07 Robert Bosch Gmbh Verfahren zur Fremdobjekterkennung für eine Induktionsladevorrichtung und Induktionsladevorrichtung
CN105606696A (zh) * 2015-12-17 2016-05-25 北京至感传感器技术研究院有限公司 油液品质参数检测方法、传感器及在线检测装置
CN105699265A (zh) * 2016-03-29 2016-06-22 北京至感传感器技术研究院有限公司 一种液体油中铁磁磨粒的检测方法和装置
DE102016221289A1 (de) 2016-08-18 2018-02-22 Robert Bosch Gmbh Sensor zum Erfassen eisenmetallischer Verunreinigungen eines Fluids
GB2573824B (en) * 2017-10-02 2022-03-09 Adey Holdings 2008 Ltd Measuring magnetic debris buildup in a magnetic filter
KR102142932B1 (ko) * 2019-04-25 2020-08-10 주식회사 솔지 윤활유 내의 철성마모입자 농도 진단센서
WO2021104892A1 (fr) * 2019-11-29 2021-06-03 Safran Aero Boosters Sa Systeme de detection de debris
US12060148B2 (en) 2022-08-16 2024-08-13 Honeywell International Inc. Ground resonance detection and warning system and method
GB2640901A (en) * 2024-05-09 2025-11-12 Eclipse Magnetics Ltd Magnetic Filtration Sensor Device
CN118641434A (zh) * 2024-06-14 2024-09-13 江苏汇智高端工程机械创新中心有限公司 一种金属磨粒传感器的温度补偿方法、装置、介质及设备

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1510103A (en) * 1974-03-19 1978-05-10 Agfa Gevaert Metallic particle detection apparatus
JPS568563A (en) * 1979-07-02 1981-01-28 Toshiba Corp Measuring device for reactance change
JPS568562A (en) * 1979-07-02 1981-01-28 Toshiba Corp Measuring device for reactance change
JPS568567A (en) * 1979-07-03 1981-01-28 Toshiba Corp Automatic wiring checking device
ATE13593T1 (de) * 1980-10-07 1985-06-15 Micro Epsilon Messtechnik Verfahren zur kompensation von temperaturbedingten messfehlern bei wechselstrom- messschaltungen, insbesondere abstandsmessgeraeten sowie vorrichtung zur durchfuehrung des verfahrens.
US4731578A (en) * 1985-05-02 1988-03-15 Aeroquip Corporation Electrical sensing system for measuring ferrous particles within a fluid
US4878019A (en) * 1985-05-02 1989-10-31 Aeroquip Corporation Electrical sensing system for measuring ferrous particles within a fluid with temperature compensation circuit
US4831362A (en) * 1986-05-16 1989-05-16 Aeroquip Corporation Failure detection system for a metallic debris detection system
DE3706659A1 (de) * 1987-03-02 1988-09-15 Heidelberger Druckmasch Ag Einrichtung zum erfassen der wicklungstemperatur eines insbesondere buerstenlosen gleichstrommotors
JPS6439502A (en) * 1987-08-05 1989-02-09 Man Design Co Length measuring instrument
US4859940A (en) * 1987-09-09 1989-08-22 Westinghouse Electric Corp. Apparatus for detecting onset of slag entrainment in a molten metal stream

Also Published As

Publication number Publication date
FR2673290B1 (it) 1995-02-10
FR2673290A1 (fr) 1992-08-28
US5334932A (en) 1994-08-02
DE4205344A1 (de) 1992-10-29
GB2253061A (en) 1992-08-26
GB2253061B (en) 1995-03-22
GB9203708D0 (en) 1992-04-08
IT1258348B (it) 1996-02-26
JPH075137A (ja) 1995-01-10
JP2501992B2 (ja) 1996-05-29
ITRM920108A0 (it) 1992-02-19

Similar Documents

Publication Publication Date Title
ITRM920108A0 (it) Dispositivo sensore elettrico per rivelare la presenza di particelle ferrose in un fluido che utilizza un oscillatore risonante serie ed unmicroprocessore.
MY110539A (en) Capacitive proximity monitoring device for corrosive atmosphere environment
EP0729574A4 (en) DETECTION OF FLUIDS WITH M.I.S. SENSORS
DE69824377D1 (de) Aufspüren von Substanz auf der Oberfläche eines kapazitiven Sensors
DE69431087D1 (de) Flüssigkeitslehre und Fernabfragesensor
AR244434A1 (es) Sensor utilizable para determinar la presencia de contaminantes en el cuerpo de un envase plastico reutilizable para bebidas o alimentos y envase que lo incluye.
DE69204179D1 (de) Gehäuse mit elektronischer Schaltung und daran befestigtem Positionssensor.
IT1129099B (it) Sensore per la rivelazione di particelle in un flusso di fluido
IT8867237A0 (it) Metodo per il rilevamento del livello di un liquido in un serbatoio e sensore realizzante tale metodo
IT1235223B (it) Procedimento per l'inseguimento di oggetti di bersaglio, con un sensore sequenziale e con un dispositivo di rilevamento, passivo od attivo, localmente separato
EP0504637A3 (en) Device to detect the surface of a fluid
KR940010710U (ko) 근접센서를 사용한 유량감지장치
ITBG940031A0 (it) Sensore di densita' per fluidi in contenitori ermetici ed a volume costante
ITPI920003A0 (it) Dispositivo a barra di sensori per il rilevamento della forma e della prossimita' in genere di oggetti
IT8521676A0 (it) Dispositivo elettronico costituente un sensore per la rilevazione e la selezione di metalli non ferrosi.
IT218030Z2 (it) Sensore di flusso atto a rivelare il moto di un fluido in un circuito chiuso
ITTO920236A0 (it) Sensore di spostamento di tipo capacitivo
ITBG940016V0 (it) Sensore di densita' per fluidi in contenitori ermetici ed a volume costante
MX9101340A (es) Sistema de evaluar a baja presion fluidos lavadores y espaciadores en pozos petroleros
IT9020921U1 (it) Sistema atto a rilevare il peso ed il volume di oggetti opachi a forma di parallelepipedo
KR940012720U (ko) 센서를 이용한 오일 탱크내의 불순물 감지장치
IT8622637A0 (it) Inceneritore a pulitura facilitata in particolare per impieghi domestici e/o industriali.
IT1288626B1 (it) Sensore di prossimita' elettronico con uscita prevedibile in caso di guasto
IT8521227V0 (it) Corpo angolare di collegamento particolarmente per profilati in materia plastica.
GB9002055D0 (en) Detection of particles in fluids

Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19980225