AT380334T - Device for detecting physical variables of lubricating oil of a combustion engine - Google Patents

Device for detecting physical variables of lubricating oil of a combustion engine

Info

Publication number
AT380334T
AT380334T AT04006925T AT04006925T AT380334T AT 380334 T AT380334 T AT 380334T AT 04006925 T AT04006925 T AT 04006925T AT 04006925 T AT04006925 T AT 04006925T AT 380334 T AT380334 T AT 380334T
Authority
AT
Austria
Prior art keywords
combustion engine
lubricating oil
physical variables
detecting physical
variables
Prior art date
Application number
AT04006925T
Other languages
German (de)
Inventor
Costanzo Gadini
Mauro Zorzetto
Alessandro Boverio
Original Assignee
Eltek Spa
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
Priority to ITTO20030219 priority Critical patent/ITTO20030219A1/en
Application filed by Eltek Spa filed Critical Eltek Spa
Publication of AT380334T publication Critical patent/AT380334T/en

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level, or level of fluent solid material, e.g. indicating in terms of volume, indicating by means of an alarm
    • G01F23/22Indicating or measuring liquid level, or level of fluent solid material, e.g. indicating in terms of volume, indicating by means of an alarm by measurement of physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/26Indicating or measuring liquid level, or level of fluent solid material, e.g. indicating in terms of volume, indicating by means of an alarm by measurement of physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N11/00Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
    • G01N11/10Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material
    • G01N11/16Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material by measuring damping effect upon oscillatory body
    • 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
    • G01N33/2888Lubricating oil characteristics, e.g. deterioration
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N11/00Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
    • G01N2011/0006Calibrating, controlling or cleaning viscometers
    • G01N2011/0013Temperature compensation
AT04006925T 2003-03-25 2004-03-23 Device for detecting physical variables of lubricating oil of a combustion engine AT380334T (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ITTO20030219 ITTO20030219A1 (en) 2003-03-25 2003-03-25 Device for detecting physical variables of a fluid,

Publications (1)

Publication Number Publication Date
AT380334T true AT380334T (en) 2007-12-15

Family

ID=32800761

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04006925T AT380334T (en) 2003-03-25 2004-03-23 Device for detecting physical variables of lubricating oil of a combustion engine

Country Status (4)

Country Link
EP (1) EP1462775B1 (en)
AT (1) AT380334T (en)
DE (1) DE602004010446T2 (en)
IT (1) ITTO20030219A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005005971A1 (en) * 2003-07-11 2005-01-20 Mitsui Mining & Smelting Co., Ltd. Device and method of detecting flow rate/liquid kind, and device and method of detecting liquid kind
ITTO20040903A1 (en) * 2004-12-24 2005-03-24 Eltek Spa A device for detecting characteristics of a fluid in motor vehicles
DE102005039480B4 (en) * 2005-08-18 2011-04-07 Continental Automotive Gmbh Method and apparatus for measuring a condition of engine oil
US7475665B2 (en) 2006-01-17 2009-01-13 Wacker Neuson Corporation Capacitance-based fluid level sensor
US9044178B2 (en) 2007-08-30 2015-06-02 Pepex Biomedical, Llc Electrochemical sensor and method for manufacturing
US8702932B2 (en) 2007-08-30 2014-04-22 Pepex Biomedical, Inc. Electrochemical sensor and method for manufacturing
WO2010056876A2 (en) * 2008-11-14 2010-05-20 Pepex Biomedical, Llc Manufacturing electrochemical sensor module
US8951377B2 (en) 2008-11-14 2015-02-10 Pepex Biomedical, Inc. Manufacturing electrochemical sensor module
US9445755B2 (en) 2008-11-14 2016-09-20 Pepex Biomedical, Llc Electrochemical sensor module
WO2012162151A2 (en) 2011-05-20 2012-11-29 Pepex Biomedical, Inc. Manufacturing electrochemical sensor modules
DE102013207446A1 (en) 2013-04-24 2014-10-30 Skf Lubrication Systems Germany Ag Level measurement arrangement
JP6613831B2 (en) * 2015-11-10 2019-12-04 株式会社デンソー connector
ITUA20164410A1 (en) * 2016-06-15 2017-12-15 Eltek Spa Sensor for detecting the level of a medium
ITUA20164407A1 (en) * 2016-06-15 2017-12-15 Eltek Spa Sensor for detecting the level of a medium
JP2019052897A (en) * 2017-09-13 2019-04-04 パナソニックIpマネジメント株式会社 Lubricant sensor head, sensor device, sensor system, and oil pan with sensor
RU183097U1 (en) * 2018-01-17 2018-09-11 Евгений Николаевич Коптяев Improved electrolyte level sensor

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5051921A (en) * 1989-11-30 1991-09-24 David Sarnoff Research Center, Inc. Method and apparatus for detecting liquid composition and actual liquid level
DE19706486B4 (en) * 1997-02-19 2004-02-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Sensor device for determining the aging state of liquid media
DE10118061A1 (en) * 2001-04-11 2002-10-24 Bosch Gmbh Robert Capacitative sensor element comprises numerous electrodes which interlock, made of metal plates that are held by a plastic holding element
US6433560B1 (en) * 2001-08-31 2002-08-13 Eaton Corporation Combined fluid condition monitor and fluid level sensor
DE10161918C2 (en) * 2001-12-17 2003-10-23 Bosch Gmbh Robert Method for operating a level sensor and level sensor
DE10202030A1 (en) * 2002-01-18 2003-07-24 Bosch Gmbh Robert Capacitive device for measuring liquid filling levels comprises intermeshing finger type electrodes that are held in a mounting frame that is external to the electrode sections

Also Published As

Publication number Publication date
EP1462775B1 (en) 2007-12-05
DE602004010446T2 (en) 2008-11-20
EP1462775A1 (en) 2004-09-29
DE602004010446D1 (en) 2008-01-17
ITTO20030219A1 (en) 2004-09-26

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Legal Events

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