EP0830575A4 - Liquid level gauge assembly including potentiometer with conductive polymeric element - Google Patents

Liquid level gauge assembly including potentiometer with conductive polymeric element

Info

Publication number
EP0830575A4
EP0830575A4 EP95933033A EP95933033A EP0830575A4 EP 0830575 A4 EP0830575 A4 EP 0830575A4 EP 95933033 A EP95933033 A EP 95933033A EP 95933033 A EP95933033 A EP 95933033A EP 0830575 A4 EP0830575 A4 EP 0830575A4
Authority
EP
European Patent Office
Prior art keywords
liquid level
assembly including
level gauge
conductive polymeric
gauge assembly
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.)
Withdrawn
Application number
EP95933033A
Other languages
German (de)
French (fr)
Other versions
EP0830575A1 (en
Inventor
Herbert G Ross Jr
Carl A Taylor
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.)
Rochester Gauges LLC
Original Assignee
Rochester Gauges LLC
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 Rochester Gauges LLC filed Critical Rochester Gauges LLC
Publication of EP0830575A1 publication Critical patent/EP0830575A1/en
Publication of EP0830575A4 publication Critical patent/EP0830575A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C10/00—Adjustable resistors
    • H01C10/14—Adjustable resistors adjustable by auxiliary driving 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
    • G01F23/32—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 using rotatable arms or other pivotable transmission elements
    • G01F23/36—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 using rotatable arms or other pivotable transmission elements using electrically 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
    • G01F23/68—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 electrically actuated indicating means

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Level Indicators Using A Float (AREA)
EP95933033A 1995-06-07 1995-09-01 Liquid level gauge assembly including potentiometer with conductive polymeric element Withdrawn EP0830575A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US48571795A 1995-06-07 1995-06-07
US485717 1995-06-07
PCT/US1995/011206 WO1996041136A1 (en) 1995-06-07 1995-09-01 Liquid level gauge assembly including potentiometer with conductive polymeric element

Publications (2)

Publication Number Publication Date
EP0830575A1 EP0830575A1 (en) 1998-03-25
EP0830575A4 true EP0830575A4 (en) 1998-08-12

Family

ID=23929197

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95933033A Withdrawn EP0830575A4 (en) 1995-06-07 1995-09-01 Liquid level gauge assembly including potentiometer with conductive polymeric element

Country Status (3)

Country Link
EP (1) EP0830575A4 (en)
AU (1) AU3583895A (en)
WO (1) WO1996041136A1 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7467549B2 (en) * 2005-04-05 2008-12-23 Ti Group Automotive Systems, Llc Electrostatic charge control for in-tank fuel module components
DE102005029785B4 (en) * 2005-06-24 2009-04-16 Continental Automotive Gmbh level sensor
DE102005029788A1 (en) * 2005-06-24 2007-01-11 Siemens Ag level sensor
US7513393B2 (en) * 2006-06-16 2009-04-07 Lincoln Industrial Corporation Container system
DE102007038428A1 (en) 2007-08-14 2009-02-19 Robert Bosch Gmbh Tank level indicator
EP2060310A1 (en) * 2007-11-14 2009-05-20 Delphi Technologies, Inc. Filter for fluid
US8878682B2 (en) 2009-10-16 2014-11-04 Franklin Fueling Systems, Inc. Method and apparatus for detection of phase separation in storage tanks using a float sensor
US9222618B2 (en) 2010-11-29 2015-12-29 Lincoln Industrial Corporation Stepper motor driving a lubrication pump providing uninterrupted lubricant flow
US9388940B2 (en) 2010-11-29 2016-07-12 Lincoln Industrial Corporation Variable speed stepper motor driving a lubrication pump system
US8844679B2 (en) 2010-11-29 2014-09-30 Lincoln Industrial Corporation Pump having venting and non-venting piston return
US9341173B2 (en) 2011-12-20 2016-05-17 Lincoln Industrial Corporation Lance pump with a ram
US9140246B2 (en) 2012-03-19 2015-09-22 Lincoln Industrial Corporation Lance pump having vertically mounted stepper motor
US9239044B2 (en) 2012-03-19 2016-01-19 Lincoln Industrial Corporation Lance pump having horizontally mounted stepper/servo motor
US9958054B2 (en) 2013-05-29 2018-05-01 Eaton Corporation Shield for transmission fluid sump
FR3031176A1 (en) * 2014-12-24 2016-07-01 E I P DEVICE FOR OPTICALLY MEASURING A LIQUID LEVEL
FR3034866A1 (en) * 2015-04-07 2016-10-14 E I P DIGITAL DEVICE FOR ABSOLUTELY OPTICAL MEASUREMENT OF A LEVEL OF LIQUID IN A CONTAINER
FR3053114B1 (en) * 2016-06-24 2018-07-27 Bruno Morel-Fatio DIGITAL OPTICAL OPTICAL MEASUREMENT SYSTEM OF A LIQUID LEVEL IN A CONTAINER BY CORRELATION OF SHOTS
CN110220572B (en) * 2019-07-25 2024-04-09 康沣生物科技(上海)股份有限公司 liquid level sensor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993025869A1 (en) * 1992-06-15 1993-12-23 Ford Motor Company Limited Vertical sweep liquid level sensor
DE4243751A1 (en) * 1992-12-23 1994-06-30 Geocon Messinformatik Gmbh Container fill vol. continuous detection appts.

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1792641A (en) * 1925-09-03 1931-02-17 Autometer Company Inc Liquid measuring and indicating means and bearing
US3113282A (en) * 1962-10-16 1963-12-03 Gen Motors Corp Plastic housed level indicator sending units
JPS58166216A (en) * 1982-03-26 1983-10-01 Hitachi Chem Co Ltd Wiring board printed with resistor for detecting sensor of liquid volume
ES268109U (en) * 1982-10-08 1983-06-01 Jaeger Iberica, S.A. Transmitter device of the electrical signal of liquid level in deposits. (Machine-translation by Google Translate, not legally binding)
JPS59189142A (en) * 1983-04-12 1984-10-26 Ube Ind Ltd Electrically conductive thermoplastic resin composition
IT1179006B (en) * 1984-07-06 1987-09-16 Olivetti & Co Spa DEVICE TO DETECT THE LEVEL OF A LIQUID CONTAINED IN A TANK
JPS62119272A (en) * 1985-11-19 1987-05-30 Mitsubishi Petrochem Co Ltd Resin resistor
DE3785421T2 (en) * 1986-11-20 1993-10-14 Dainippon Ink & Chemicals Resin based on a polyphenylene sulfide-polyphenylene sulfone block copolymer, process for producing the copolymer and molded article.
US5196824A (en) * 1988-11-29 1993-03-23 Oil Monitoring Systems, Inc. Float actuated liquid level monitoring apparatus
US5146785A (en) * 1991-01-30 1992-09-15 Spectrol Electronics Corp. Fluid level sensor with stair step output
US5138881A (en) * 1991-02-13 1992-08-18 Spectrol Electronics Corp. Liquid level sensor including conductive plastic technology

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993025869A1 (en) * 1992-06-15 1993-12-23 Ford Motor Company Limited Vertical sweep liquid level sensor
DE4243751A1 (en) * 1992-12-23 1994-06-30 Geocon Messinformatik Gmbh Container fill vol. continuous detection appts.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9641136A1 *

Also Published As

Publication number Publication date
AU3583895A (en) 1996-12-30
WO1996041136A1 (en) 1996-12-19
EP0830575A1 (en) 1998-03-25

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Legal Events

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Effective date: 20010403