BE643679A - - Google Patents

Info

Publication number
BE643679A
BE643679A BE643679DA BE643679A BE 643679 A BE643679 A BE 643679A BE 643679D A BE643679D A BE 643679DA BE 643679 A BE643679 A BE 643679A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE643679A publication Critical patent/BE643679A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00Switches operated by change of a physical condition
    • H01H35/18Switches operated by change of liquid level or of liquid density, e.g. float switch
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/0038Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm using buoyant probes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/10Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing bodies wholly or partially immersed in fluid materials

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Fluid Mechanics (AREA)
  • Level Indicators Using A Float (AREA)
BE643679D 1963-02-21 1964-02-12 BE643679A (US06811534-20041102-M00003.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US26017963A 1963-02-21 1963-02-21

Publications (1)

Publication Number Publication Date
BE643679A true BE643679A (US06811534-20041102-M00003.png) 1964-08-12

Family

ID=22988103

Family Applications (1)

Application Number Title Priority Date Filing Date
BE643679D BE643679A (US06811534-20041102-M00003.png) 1963-02-21 1964-02-12

Country Status (3)

Country Link
BE (1) BE643679A (US06811534-20041102-M00003.png)
GB (1) GB1023436A (US06811534-20041102-M00003.png)
NL (1) NL303012A (US06811534-20041102-M00003.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112622564B (zh) * 2020-12-22 2023-06-06 宋清云 一种汽车内空气流通的安全保险系统及其装置

Also Published As

Publication number Publication date
GB1023436A (en) 1966-03-23
NL303012A (US06811534-20041102-M00003.png)

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