JPS5657916A - Level indicator*hydrometer - Google Patents

Level indicator*hydrometer

Info

Publication number
JPS5657916A
JPS5657916A JP13310880A JP13310880A JPS5657916A JP S5657916 A JPS5657916 A JP S5657916A JP 13310880 A JP13310880 A JP 13310880A JP 13310880 A JP13310880 A JP 13310880A JP S5657916 A JPS5657916 A JP S5657916A
Authority
JP
Japan
Prior art keywords
hydrometer
level indicator
indicator
level
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.)
Pending
Application number
JP13310880A
Other languages
English (en)
Japanese (ja)
Inventor
Furederitsuku Neruson Jiyon
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.)
Illinois Tool Works Inc
Original Assignee
Illinois Tool Works Inc
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 Illinois Tool Works Inc filed Critical Illinois Tool Works Inc
Publication of JPS5657916A publication Critical patent/JPS5657916A/ja
Pending 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
    • G01F23/28—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 the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves
    • G01F23/292—Light, e.g. infrared or ultraviolet
    • G01F23/2921—Light, e.g. infrared or ultraviolet for discrete levels
    • G01F23/2922—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/10—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing bodies wholly or partially immersed in fluid materials
    • G01N9/12—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing bodies wholly or partially immersed in fluid materials by observing the depth of immersion of the bodies, e.g. hydrometers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Health & Medical Sciences (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Secondary Cells (AREA)
  • Level Indicators Using A Float (AREA)
JP13310880A 1979-09-27 1980-09-26 Level indicator*hydrometer Pending JPS5657916A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/079,639 US4240282A (en) 1979-09-27 1979-09-27 Combined level indicator and hydrometer

Publications (1)

Publication Number Publication Date
JPS5657916A true JPS5657916A (en) 1981-05-20

Family

ID=22151833

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13310880A Pending JPS5657916A (en) 1979-09-27 1980-09-26 Level indicator*hydrometer

Country Status (6)

Country Link
US (1) US4240282A (https=)
JP (1) JPS5657916A (https=)
BR (1) BR8006130A (https=)
CA (1) CA1134640A (https=)
FR (1) FR2466753A1 (https=)
GB (1) GB2060885A (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5118316A (en) * 1989-09-01 1992-06-02 Sanshin Kogyo Kabushiki Kaisha Exhaust system for marine propulsion unit
JP2002243522A (ja) * 2001-02-22 2002-08-28 Honda Motor Co Ltd 燃料タンクにおける燃料満量液面視認装置
JP2006047286A (ja) * 2004-08-06 2006-02-16 Illinois Tool Works Inc <Itw> インジケータおよび光透過性ボディ

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3915475A1 (de) * 1989-05-11 1990-11-15 Siemens Ag Sensor fuer ladungsmessung bei akkumulatoren
US4989453A (en) * 1989-11-06 1991-02-05 Alan Hiiesalu Battery condition indicator
US5900547A (en) * 1997-09-12 1999-05-04 Thermoprobe Inc. Differential level hydrometer
US6393910B1 (en) 2000-01-25 2002-05-28 Illinois Tool Works Inc. One-piece battery charge indicator cage
US7430907B2 (en) 2004-08-06 2008-10-07 Illinois Tool Works Inc. Hydrometer/fluid level sensor
US20070240627A1 (en) * 2006-04-18 2007-10-18 Summer Mark J Fluid lever indicator protection sleeve
EP2064529A4 (en) * 2006-08-24 2010-12-22 Ducool Ltd ARRANGEMENT FOR MEASURING THE SPECIFIC DENSITY AND STATE OF A LIQUID
CN100546094C (zh) * 2007-11-08 2009-09-30 泉州市一鸣交通电器有限公司 一种电池电量显色器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3597973A (en) * 1969-09-08 1971-08-10 Illinois Tool Works Combined level indicator and hydrometer
US3597972A (en) * 1969-09-08 1971-08-10 Illinois Tool Works Combined level indicator and hydrometer
US3977908A (en) * 1972-10-17 1976-08-31 Shin-Kobe Electric Machinery Co., Ltd. Indicator in use with a lead storage battery for indicating the overdischarge of the same and the lowered level of the electrolyte therein
US3893339A (en) * 1974-03-18 1975-07-08 Illinois Tool Works Liquid level indicator
US3915753A (en) * 1974-03-18 1975-10-28 Illinois Tool Works Liquid indicator for a storage battery with a flame barrier vent filter
US3954010A (en) * 1975-04-25 1976-05-04 Illinois Tool Works Inc. Visual and electronic battery hydrometer
US4074025A (en) * 1976-03-29 1978-02-14 Miyagawa Kasei Industry Co., Ltd. Indicating device for storage battery

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5118316A (en) * 1989-09-01 1992-06-02 Sanshin Kogyo Kabushiki Kaisha Exhaust system for marine propulsion unit
JP2002243522A (ja) * 2001-02-22 2002-08-28 Honda Motor Co Ltd 燃料タンクにおける燃料満量液面視認装置
JP2006047286A (ja) * 2004-08-06 2006-02-16 Illinois Tool Works Inc <Itw> インジケータおよび光透過性ボディ

Also Published As

Publication number Publication date
US4240282A (en) 1980-12-23
GB2060885A (en) 1981-05-07
CA1134640A (en) 1982-11-02
FR2466753B1 (https=) 1984-05-11
BR8006130A (pt) 1981-04-07
FR2466753A1 (fr) 1981-04-10

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