DE69015439D1 - Elektrischer Flüssigkeitsstandsensor für Brennkraftmaschinen. - Google Patents

Elektrischer Flüssigkeitsstandsensor für Brennkraftmaschinen.

Info

Publication number
DE69015439D1
DE69015439D1 DE69015439T DE69015439T DE69015439D1 DE 69015439 D1 DE69015439 D1 DE 69015439D1 DE 69015439 T DE69015439 T DE 69015439T DE 69015439 T DE69015439 T DE 69015439T DE 69015439 D1 DE69015439 D1 DE 69015439D1
Authority
DE
Germany
Prior art keywords
internal combustion
liquid level
level sensor
combustion engines
electrical liquid
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 - Lifetime
Application number
DE69015439T
Other languages
English (en)
Other versions
DE69015439T2 (de
Inventor
Asao C O Fuji Jukogyo K Sasaki
Yosuke C O Fuji Jukogyo Kubota
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.)
Subaru Corp
Original Assignee
Fuji Jukogyo KK
Fuji Heavy Industries Ltd
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 Fuji Jukogyo KK, Fuji Heavy Industries Ltd filed Critical Fuji Jukogyo KK
Publication of DE69015439D1 publication Critical patent/DE69015439D1/de
Application granted granted Critical
Publication of DE69015439T2 publication Critical patent/DE69015439T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring 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
    • G01F23/24—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring 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 resistance of resistors due to contact with conductor fluid
    • G01F23/241—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring 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 resistance of resistors due to contact with conductor fluid for discrete levels
    • G01F23/243—Schematic arrangements of probes combined with measuring circuits
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring 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
    • G01F23/24—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring 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 resistance of resistors due to contact with conductor fluid
    • G01F23/241—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring 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 resistance of resistors due to contact with conductor fluid for discrete levels
    • G01F23/242—Mounting arrangements for electrodes

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Geophysics And Detection Of Objects (AREA)
DE69015439T 1989-05-25 1990-05-24 Elektrischer Flüssigkeitsstandsensor für Brennkraftmaschinen. Expired - Lifetime DE69015439T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1132089A JP2731240B2 (ja) 1989-05-25 1989-05-25 オイルセンサ

Publications (2)

Publication Number Publication Date
DE69015439D1 true DE69015439D1 (de) 1995-02-09
DE69015439T2 DE69015439T2 (de) 1995-05-04

Family

ID=15073238

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69015439T Expired - Lifetime DE69015439T2 (de) 1989-05-25 1990-05-24 Elektrischer Flüssigkeitsstandsensor für Brennkraftmaschinen.

Country Status (4)

Country Link
US (1) US5046583A (de)
EP (1) EP0399824B1 (de)
JP (1) JP2731240B2 (de)
DE (1) DE69015439T2 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5053745A (en) * 1989-06-26 1991-10-01 Fuji Jukogyo Kabushiki Kaisha Apparatus for warning of engine oil abnormality
GB9025948D0 (en) * 1990-11-29 1991-01-16 British Gas Plc Measuring probe
DE4116355C2 (de) * 1991-05-18 2000-05-18 Wilo Gmbh Meßfühler
SI9200073A (sl) * 1992-05-06 1993-12-31 Andrej Zatler Nivojsko stikalo
US5687687A (en) * 1995-06-07 1997-11-18 Cummins Engine Company, Inc. Oil level sensor system
FR2766268B1 (fr) * 1997-07-21 1999-10-08 Aerospatiale Detecteur d'eau et munition sous-marine equipee d'un tel detecteur
DE19757065A1 (de) * 1997-12-20 1999-06-24 Bayerische Motoren Werke Ag Ölstandssensor
DE19860353C1 (de) * 1998-12-28 2000-06-21 Renk Ag Getriebe
US6172602B1 (en) 1999-03-22 2001-01-09 Detroit Diesel Corporation Maintenance alert system for heavy-duty trucks
WO2002024482A1 (en) * 2000-09-22 2002-03-28 Detroit Diesel Corporation Maintenance alert system for heavy-duty trucks
US20060283244A1 (en) * 2003-09-04 2006-12-21 Jurgen Schonlau Measuring device for determining the characteristics and the level of a brake fluid in a motor vehicle
JP3883197B2 (ja) * 2003-09-11 2007-02-21 三井金属鉱業株式会社 尿素溶液の尿素濃度識別装置
JP2005124768A (ja) * 2003-10-23 2005-05-19 Matsushita Electric Ind Co Ltd 検出電極装置
WO2005047827A2 (en) * 2003-11-12 2005-05-26 Stemco Llc Conductive sensor for fluid level sensing
EP2385368B1 (de) * 2005-09-09 2013-10-16 Honda Motor Co., Ltd. Öl-Sensor-Einbaustruktur
DE102006005529B4 (de) * 2006-02-07 2016-02-11 Röchling Automotive AG & Co. KG Kunststoffbehälter mit wenigstens einer Elektrode aus elektrisch leitfähigem Kunststoff
JP4163727B2 (ja) * 2006-08-31 2008-10-08 本田技研工業株式会社 内燃機関のオイルレベル検出装置
FR2906364B1 (fr) * 2006-09-27 2008-11-21 Peugeot Citroen Automobiles Sa Systeme de montage d'un dispositif de mesure du niveau et de la temperature de l'huile
DE102007026449A1 (de) * 2007-06-06 2008-12-11 Robert Bosch Gmbh Fluidsensorvorrichtung
US9297685B2 (en) * 2009-01-09 2016-03-29 Hamilton Sundstrand Corporation Robust oil level sensor
US8789443B2 (en) * 2011-12-06 2014-07-29 Dennis Reid Transmission and transmission housing with multiple dipsticks and dipstick apertures, circumferentially positioned internal lugs and an adjacent fluid inlet port
US20140116808A1 (en) 2012-11-01 2014-05-01 Ronald J. Kile Lubricating oil monitoring and maintenance cap with oil level monitoring system
EP2886024B1 (de) * 2013-12-18 2019-02-20 ELECTROLUX PROFESSIONAL S.p.A. Verbesserte Detektionsanordnung für elektrische Geräte
US9593974B2 (en) * 2014-09-23 2017-03-14 Caterpillar Inc. System and method of monitoring oil level in transmission system of machine
FR3059361B1 (fr) * 2016-11-28 2018-12-07 Safran Aircraft Engines Reservoir d'huile comprenant un dispositif de controle du niveau d'huile
JP6993679B2 (ja) * 2017-11-22 2022-01-13 センスプロ株式会社 潤滑油センサヘッド、及びセンサシステム
KR20220096104A (ko) * 2020-12-30 2022-07-07 현대두산인프라코어(주) 오일 레벨 센서 커버 및 이를 포함하는 엔진

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE818060C (de) * 1950-05-18 1951-10-22 Karl Ziegler Geraet zum Abschalten einer elektrischen stromverbrauchenden Einrichtung in Abhaengigkeit vom Stand des Spiegels einer Fluessigkeit
US3593270A (en) * 1967-07-10 1971-07-13 Richard E Walker Liquid level sensing and indicating system
US3701138A (en) * 1971-03-25 1972-10-24 Data Eng Inc Fluid level sensor and system
DE2339481C3 (de) * 1973-08-03 1979-12-06 Siemens Ag, 1000 Berlin Und 8000 Muenchen Elektrischer Meßfühler zur Verwendung in elektrisch leitenden Flüssigkeiten
US4135186A (en) * 1977-02-23 1979-01-16 Hitachi, Ltd. Liquid level detecting apparatus
US4322713A (en) * 1980-03-10 1982-03-30 Duck Sherman W Level monitoring methods and apparatus particularly for high-resistivity liquids
US4638288A (en) * 1982-03-22 1987-01-20 Remec Matthew J Thermal level detector for conductive or nonconductive liquids or gases
DE3344879A1 (de) * 1983-12-12 1985-06-13 Lothar 2940 Wilhelmshaven Sabrowsky Fuellstand-grenzwertgeber fuer fluessigkeitsbehaelter oder dergleichen
US4755790A (en) * 1984-07-04 1988-07-05 Suzuki Jidosha Kogyo Kabushiki Kaisha Float switch, a control apparatus and a warning apparatus of an engine
JPS6226379A (ja) * 1985-07-29 1987-02-04 Kawasaki Heavy Ind Ltd エンジンの自動停止装置
JPH0656095B2 (ja) * 1985-10-21 1994-07-27 本田技研工業株式会社 エンジンオイルレベル検出方法
JPH0424417Y2 (de) * 1986-01-10 1992-06-09
JPS62115631U (de) * 1986-01-13 1987-07-23
US4745893A (en) * 1986-12-03 1988-05-24 Caterpillar Inc. Digital oil level sensor
US4806847A (en) * 1986-12-09 1989-02-21 Caterpillar Inc. Dielectric liquid level sensor and method
JPS63101815U (de) * 1986-12-20 1988-07-02
JPS63155026U (de) * 1987-03-31 1988-10-12

Also Published As

Publication number Publication date
DE69015439T2 (de) 1995-05-04
JPH02310428A (ja) 1990-12-26
EP0399824A3 (de) 1991-03-27
EP0399824A2 (de) 1990-11-28
EP0399824B1 (de) 1994-12-28
JP2731240B2 (ja) 1998-03-25
US5046583A (en) 1991-09-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)