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BE788994A - Appareil indicateur de niveau de liquide - Google Patents

Appareil indicateur de niveau de liquide

Info

Publication number
BE788994A
BE788994A BE788994DA BE788994A BE 788994 A BE788994 A BE 788994A BE 788994D A BE788994D A BE 788994DA BE 788994 A BE788994 A BE 788994A
Authority
BE
Belgium
Prior art keywords
liquid level
level indicator
indicator
liquid
level
Prior art date
Application number
Other languages
English (en)
Inventor
M W Miller
Original Assignee
Thetford Corp
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.)
Publication date
Publication of BE788994A publication Critical patent/BE788994A/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D5/00—Special constructions of flushing devices, e.g. closed flushing system
    • E03D5/016—Special constructions of flushing devices, e.g. closed flushing system with recirculation of bowl-cleaning fluid
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8158—With indicator, register, recorder, alarm or inspection means
    • Y10T137/8359—Inspection means

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sanitary Device For Flush Toilet (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Toilet Supplies (AREA)
BE788994D 1971-09-20 Appareil indicateur de niveau de liquide BE788994A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18173571A 1971-09-20 1971-09-20

Publications (1)

Publication Number Publication Date
BE788994A true BE788994A (fr) 1973-01-15

Family

ID=22665564

Family Applications (1)

Application Number Title Priority Date Filing Date
BE788994D BE788994A (fr) 1971-09-20 Appareil indicateur de niveau de liquide

Country Status (12)

Country Link
US (1) US3727242A (fr)
JP (1) JPS4837942A (fr)
BE (1) BE788994A (fr)
CA (1) CA954331A (fr)
DE (1) DE2243854A1 (fr)
FR (1) FR2158818A5 (fr)
GB (1) GB1349419A (fr)
IT (1) IT965394B (fr)
LU (1) LU66110A1 (fr)
NL (1) NL7212082A (fr)
SE (1) SE376940B (fr)
ZA (1) ZA726432B (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5185757A (ja) * 1975-01-24 1976-07-27 Nippon Denso Co Ekimenreberukenshutsuki
GB1562348A (en) * 1977-04-13 1980-03-12 Celanese Corp Water closets
US4164077A (en) * 1978-07-07 1979-08-14 Hopkins Manufacturing Corporation Level indicating devices
FR2524980B1 (fr) * 1982-04-08 1986-02-21 Dupont S T Dispositif de detection du niveau d'un liquide dans un reservoir et reservoir, notamment briquet a gaz, equipe de ce dispositif
CA1239002A (fr) * 1984-08-27 1988-07-12 John M. Stewart Reservoir a temoin de niveau pour cabinet d'aisances
US4603443A (en) * 1984-10-09 1986-08-05 Sanitation Equipment Limited Toilet with sight gauge
US4630475A (en) * 1985-03-20 1986-12-23 Sharp Kabushiki Kaisha Fiber optic level sensor for humidifier
USD319598S (en) 1989-02-13 1991-09-03 Bombardier Inc. Fuel gauge
US5062828A (en) * 1989-03-13 1991-11-05 Waltz Roger L Hypodermic syringe
US4987777A (en) * 1989-08-30 1991-01-29 Bombardier Inc. Liquid level sight gauge
US5103648A (en) * 1990-05-29 1992-04-14 Ac&R Components, Inc. Oil level control system
US6315760B1 (en) 2000-05-09 2001-11-13 Inviro Medical Devices Ltd. Syringe with a background for writing and reading index markings
US7043850B2 (en) * 2002-08-21 2006-05-16 Brady John R Transparent measuring device with seam allowance guide
US6799379B2 (en) * 2002-08-21 2004-10-05 John R. Brady Transparent measuring device
US7725961B2 (en) * 2004-11-10 2010-06-01 Dometic Corporation Portable toilet
US7204029B2 (en) 2005-05-04 2007-04-17 The Stanley Works Level
USD532492S1 (en) 2005-12-20 2006-11-21 Dometic Sanitation Corporation Portable toilet
US20090068602A1 (en) * 2007-09-12 2009-03-12 Colibri Corporation Cigarette Lighter with Refractive Fuel Window
CN101598589B (zh) * 2009-07-28 2011-01-26 首钢总公司 一种巡回测量高炉料面的装置
DE202012103939U1 (de) * 2012-10-15 2012-10-29 Melitta Haushaltsprodukte Gmbh & Co. Kg Wassertank für ein Haushaltsgerät und Haushaltsgerät
US12440193B2 (en) 2017-04-07 2025-10-14 Toi Labs, Inc. System, method and apparatus for forming machine learning sessions
EP3606412A4 (fr) * 2017-04-07 2020-12-23 Toi Labs, Inc. Dispositifs, procédés et systèmes de biosurveillance destinés à être utilisés dans un agencement de salle de bains
US12203796B2 (en) * 2022-05-17 2025-01-21 Textron Innovations Inc. Fluid level sensing arrays for aircraft

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US470858A (en) * 1892-03-15 Richard klinger
US1576897A (en) * 1924-06-16 1926-03-16 Boizard Raoul Mirror of reflector water-level gauges
US2923157A (en) * 1956-01-03 1960-02-02 Wegner Machinery Corp Liquid level gauge
US3345870A (en) * 1963-11-26 1967-10-10 Yoshinaga Prince Kabushiki Kai Fuel level indicator

Also Published As

Publication number Publication date
GB1349419A (en) 1974-04-03
CA954331A (en) 1974-09-10
US3727242A (en) 1973-04-17
IT965394B (it) 1974-01-31
JPS4837942A (fr) 1973-06-04
DE2243854A1 (de) 1973-03-29
FR2158818A5 (fr) 1973-06-15
ZA726432B (en) 1973-06-27
SE376940B (fr) 1975-06-16
AU4680272A (en) 1974-03-28
NL7212082A (fr) 1973-03-22
LU66110A1 (fr) 1973-01-17

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