BR8006130A - Indicador de nivel de liquido e densimetro combinado - Google Patents

Indicador de nivel de liquido e densimetro combinado

Info

Publication number
BR8006130A
BR8006130A BR8006130A BR8006130A BR8006130A BR 8006130 A BR8006130 A BR 8006130A BR 8006130 A BR8006130 A BR 8006130A BR 8006130 A BR8006130 A BR 8006130A BR 8006130 A BR8006130 A BR 8006130A
Authority
BR
Brazil
Prior art keywords
densimeter
combined
liquid
level indicator
indicator
Prior art date
Application number
BR8006130A
Other languages
English (en)
Inventor
J Nelson
Original Assignee
Illinois Tool Works
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 filed Critical Illinois Tool Works
Publication of BR8006130A publication Critical patent/BR8006130A/pt

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)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Secondary Cells (AREA)
  • Level Indicators Using A Float (AREA)
BR8006130A 1979-09-27 1980-09-25 Indicador de nivel de liquido e densimetro combinado BR8006130A (pt)

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
BR8006130A true BR8006130A (pt) 1981-04-07

Family

ID=22151833

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8006130A BR8006130A (pt) 1979-09-27 1980-09-25 Indicador de nivel de liquido e densimetro combinado

Country Status (6)

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

Families Citing this family (11)

* 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
JP2868235B2 (ja) * 1989-09-01 1999-03-10 三信工業株式会社 船舶推進機の排気構造
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
JP4717230B2 (ja) * 2001-02-22 2011-07-06 本田技研工業株式会社 燃料タンクにおける燃料満量液面視認装置
US7430907B2 (en) 2004-08-06 2008-10-07 Illinois Tool Works Inc. Hydrometer/fluid level sensor
US7228737B2 (en) * 2004-08-06 2007-06-12 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
US3597972A (en) * 1969-09-08 1971-08-10 Illinois Tool Works Combined level indicator and hydrometer
US3597973A (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

Also Published As

Publication number Publication date
JPS5657916A (en) 1981-05-20
FR2466753A1 (fr) 1981-04-10
FR2466753B1 (pt) 1984-05-11
CA1134640A (en) 1982-11-02
GB2060885A (en) 1981-05-07
US4240282A (en) 1980-12-23

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Legal Events

Date Code Title Description
MK Patent expired

Effective date: 19950925