DE69003004D1 - Flüssigkeitspegel-Bestimmungseinheit mit Schwimmer. - Google Patents

Flüssigkeitspegel-Bestimmungseinheit mit Schwimmer.

Info

Publication number
DE69003004D1
DE69003004D1 DE90304295T DE69003004T DE69003004D1 DE 69003004 D1 DE69003004 D1 DE 69003004D1 DE 90304295 T DE90304295 T DE 90304295T DE 69003004 T DE69003004 T DE 69003004T DE 69003004 D1 DE69003004 D1 DE 69003004D1
Authority
DE
Germany
Prior art keywords
float
determination unit
liquid level
level determination
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 - Fee Related
Application number
DE90304295T
Other languages
English (en)
Other versions
DE69003004T2 (de
Inventor
Christopher J Mahoney
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.)
Motors Liquidation Co
Original Assignee
Motors Liquidation Co
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 Motors Liquidation Co filed Critical Motors Liquidation Co
Application granted granted Critical
Publication of DE69003004D1 publication Critical patent/DE69003004D1/de
Publication of DE69003004T2 publication Critical patent/DE69003004T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01F23/30—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 floats
    • G01F23/76—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 floats characterised by the construction of the float
    • 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
    • G01F23/30—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 floats
    • G01F23/64—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 floats of the free float type without mechanical transmission elements
    • G01F23/72—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 floats of the free float type without mechanical transmission elements using magnetically actuated indicating means
    • 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
    • G01F23/30—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 floats
    • G01F23/64—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 floats of the free float type without mechanical transmission elements
    • G01F23/72—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 floats of the free float type without mechanical transmission elements using magnetically actuated indicating means
    • G01F23/74—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 floats of the free float type without mechanical transmission elements using magnetically actuated indicating means for sensing changes in level only at discrete points
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H01H36/02—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding actuated by movement of a float carrying a magnet
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H01H36/0006—Permanent magnet actuating reed switches
    • H01H36/006—Permanent magnet actuating reed switches comprising a plurality of reed switches, e.g. selectors or joystick-operated

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Level Indicators Using A Float (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
DE90304295T 1989-05-12 1990-04-20 Flüssigkeitspegel-Bestimmungseinheit mit Schwimmer. Expired - Fee Related DE69003004T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/351,105 US4955231A (en) 1989-05-12 1989-05-12 Liquid float gage assembly

Publications (2)

Publication Number Publication Date
DE69003004D1 true DE69003004D1 (de) 1993-10-07
DE69003004T2 DE69003004T2 (de) 1993-12-16

Family

ID=23379596

Family Applications (1)

Application Number Title Priority Date Filing Date
DE90304295T Expired - Fee Related DE69003004T2 (de) 1989-05-12 1990-04-20 Flüssigkeitspegel-Bestimmungseinheit mit Schwimmer.

Country Status (3)

Country Link
US (1) US4955231A (de)
EP (1) EP0397338B1 (de)
DE (1) DE69003004T2 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5299456A (en) * 1992-06-30 1994-04-05 Steiner George A Electronic dipstick for indicating the oil level of an engine
GB2270758A (en) * 1992-09-15 1994-03-23 Platon A & I Limited Apparatus for determining a parameter of a fluid
US5723870A (en) * 1993-05-28 1998-03-03 Simmonds Precision Products Inc. Fluid gauging apparatus using magnetostrictive sensor and stick gauge
US5627380A (en) * 1993-05-28 1997-05-06 Simmonds Precision Products, Inc. Fluid gauging apparatus using integral electrical sensor and a stick gauge
US5399875A (en) * 1993-05-28 1995-03-21 Simmonds Precision Product, Inc. Liquid gauging apparatus and remote sensor interrogation
FR2716715B1 (fr) * 1994-02-28 1996-05-15 Sauermann Ind Dispositif de détection de niveaux de liquide dans un bac.
US5814830A (en) * 1994-10-18 1998-09-29 Simmonds Precision Products, Inc. Liquid gauging apparatus with a magnetoresistive sensor and remote sensor interrogration
CA2179457C (en) * 1996-06-19 2000-08-29 George David Fraser Method and apparatus for measuring a liquid level using a liquid level gauge having reed switches to determine the position of a magnetic float
AU4988297A (en) * 1996-10-24 1998-05-15 Karl A. Senghaas Relative location detection sensor
US6408692B1 (en) * 1997-11-20 2002-06-25 Isspro, Inc. Liquid level sensor
US6122955A (en) * 1998-09-17 2000-09-26 Hoog; Hollis Ellsworth Liquid leak detector
FR2797650B1 (fr) * 1999-08-18 2002-06-07 Eparco Sa Flotteur pour fosse septique
DE10006221A1 (de) * 2000-02-11 2001-08-30 Messer Griesheim Gmbh Vorrichtung zur Ermittlung des Füllstands verflüssigter Gase in einem Kryobehälter
KR100461127B1 (ko) * 2002-08-12 2004-12-13 현대자동차주식회사 자동차용 연료탱크의 연료센더
US7316541B2 (en) * 2004-08-19 2008-01-08 Black & Decker Inc. Engine-powered air compressor with a controller for low oil condition
CN100338442C (zh) * 2005-04-22 2007-09-19 合肥邦立电子有限公司 车用燃油箱油位传感器
BRPI0622055A2 (pt) * 2006-10-16 2014-06-10 Pricol Ltd Sensor de combustível com chave tipo palheta e eletroímas de travamento
US8023848B2 (en) * 2007-08-24 2011-09-20 Seiko Epson Corporation Density measuring device, liquid developer storing apparatus, and image forming apparatus
US8036555B2 (en) * 2007-08-30 2011-10-11 Seiko Epson Corporation Liquid measuring device with floating member having magnetic field generators
WO2009146308A1 (en) * 2008-05-29 2009-12-03 Illinois Tool Works Inc. Multi-level liquid level magnetic sensor
FR2985566B1 (fr) * 2012-01-06 2015-06-12 Technicatome Capteur de niveau de liquide avec flotteur libre
TWI726944B (zh) * 2015-12-06 2021-05-11 美商應用材料股份有限公司 用於封閉金屬容器的連續液體位準量測偵測器
US11986686B2 (en) 2018-11-30 2024-05-21 Carrier Corporation Adaptable suppression tank level sensor
CN111238606B (zh) * 2020-03-18 2021-08-06 四川葛南仪器有限公司 一种河流水位监测器

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2440987A (en) * 1945-06-08 1948-05-04 Amp Corp Float switch
US2590680A (en) * 1949-02-28 1952-03-25 Julian A Campbell Apparatus for liquid level controls
US2728227A (en) * 1953-05-27 1955-12-27 Gen Motors Corp Magnetic liquid level indicators
US3224270A (en) * 1963-02-12 1965-12-21 Rca Corp Flow gauges
US4056979A (en) * 1975-10-31 1977-11-08 B/W Controls Inc. Liquid level sensor
US4259975A (en) * 1979-04-09 1981-04-07 Conoco, Inc. Stock tank gauger-level controller
IT1140214B (it) * 1981-10-02 1986-09-24 Bonetti Cesare Spa Indicatore di livello a sensore magnetico per caldaie, recipienti, serbatori e simili
DE3341265A1 (de) * 1983-11-15 1985-05-23 Phönix Armaturen-Werke Bregel GmbH, 6000 Frankfurt Messgeraet

Also Published As

Publication number Publication date
DE69003004T2 (de) 1993-12-16
EP0397338A1 (de) 1990-11-14
US4955231A (en) 1990-09-11
EP0397338B1 (de) 1993-09-01

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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