USB453533I5 - - Google Patents

Info

Publication number
USB453533I5
USB453533I5 US45353374A USB453533I5 US B453533 I5 USB453533 I5 US B453533I5 US 45353374 A US45353374 A US 45353374A US B453533 I5 USB453533 I5 US B453533I5
Authority
US
United States
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
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 USB453533I5 publication Critical patent/USB453533I5/en
Application granted granted Critical
Publication of US3997744A publication Critical patent/US3997744A/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01F23/30—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
    • G01F23/72—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 magnetically actuated indicating means
    • G01F23/74—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 magnetically actuated indicating means for sensing changes in level only at discrete points
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Level Indicators Using A Float (AREA)
US05/453,533 1973-03-31 1974-03-21 Liquid level detector Expired - Lifetime US3997744A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JA48-39476[U] 1973-03-31
JP1973039476U JPS5229977Y2 (en) 1973-03-31 1973-03-31

Publications (2)

Publication Number Publication Date
USB453533I5 true USB453533I5 (en) 1976-02-17
US3997744A US3997744A (en) 1976-12-14

Family

ID=12554104

Family Applications (1)

Application Number Title Priority Date Filing Date
US05/453,533 Expired - Lifetime US3997744A (en) 1973-03-31 1974-03-21 Liquid level detector

Country Status (5)

Country Link
US (1) US3997744A (en)
JP (1) JPS5229977Y2 (en)
DE (1) DE2415478C3 (en)
FR (1) FR2223678B1 (en)
GB (1) GB1428930A (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS543733Y2 (en) * 1974-06-07 1979-02-21
JPS5487561A (en) * 1977-12-23 1979-07-12 Aisin Seiki Oil level detector
JPS6051665B2 (en) * 1981-04-13 1985-11-15 アイシン精機株式会社 speed sensor
US4744808A (en) * 1986-10-30 1988-05-17 Cobe Laboratories, Inc. Liquid level sensing and control
US5030803A (en) * 1989-08-07 1991-07-09 General Dynamics Corp., Air Defense Systems Div. Offset float switch
US5126097A (en) * 1991-06-07 1992-06-30 Yu Feng Enterprise Co., Ltd. Fluid flow sensing and switching device
US5581062A (en) * 1993-08-17 1996-12-03 Standex International Corporation Side-mountable liquid level sensor assembly
US6040767A (en) * 1997-06-19 2000-03-21 Briggs & Stratton Corporation Control system for engine lubricant level sensor
US6028521A (en) * 1997-12-16 2000-02-22 Issachar; David Liquid level sensor
US6289728B1 (en) 1999-06-28 2001-09-18 Electromechanical Research Laboratories, Inc. Apparatus and method for determining the amount of liquid contained in a storage tank
US6253608B1 (en) 1999-08-27 2001-07-03 Standex International Corporation Side mount liquid level sensor with enhanced float travel
US6892573B2 (en) * 2003-04-10 2005-05-17 Key Safety Systems, Inc. Side-mountable fluid level sensor
US20120056749A1 (en) * 2010-09-08 2012-03-08 Tank Specialties, Inc. Vapor resistant tank level alarm system
CN105464745A (en) * 2015-12-18 2016-04-06 重庆五福科技有限公司 Engine and engine oil alarm
CN112517248B (en) * 2020-10-29 2022-08-09 宜春钽铌矿有限公司 Intelligent control method for liquid level of lepidolite flotation system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2927176A (en) * 1955-01-06 1960-03-01 Phillips Aviat Co Magnetic switch mechanism
US3258968A (en) * 1963-10-02 1966-07-05 Stewart Warner Corp Liquid level indicating device
US3750124A (en) * 1971-09-20 1973-07-31 Bendix Corp Fluid level switch

Also Published As

Publication number Publication date
US3997744A (en) 1976-12-14
DE2415478A1 (en) 1974-10-24
GB1428930A (en) 1976-03-24
JPS49141861U (en) 1974-12-06
DE2415478B2 (en) 1979-06-07
DE2415478C3 (en) 1980-02-07
JPS5229977Y2 (en) 1977-07-08
FR2223678A1 (en) 1974-10-25
FR2223678B1 (en) 1976-10-08

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