GB2206967B - A device for indicating liquid level in a container - Google Patents

A device for indicating liquid level in a container

Info

Publication number
GB2206967B
GB2206967B GB8715671A GB8715671A GB2206967B GB 2206967 B GB2206967 B GB 2206967B GB 8715671 A GB8715671 A GB 8715671A GB 8715671 A GB8715671 A GB 8715671A GB 2206967 B GB2206967 B GB 2206967B
Authority
GB
United Kingdom
Prior art keywords
container
liquid level
indicating liquid
indicating
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.)
Expired - Lifetime
Application number
GB8715671A
Other versions
GB8715671D0 (en
GB2206967A (en
Inventor
Zhang Long Nan
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB8715671A priority Critical patent/GB2206967B/en
Publication of GB8715671D0 publication Critical patent/GB8715671D0/en
Publication of GB2206967A publication Critical patent/GB2206967A/en
Application granted granted Critical
Publication of GB2206967B publication Critical patent/GB2206967B/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
    • G01F23/22—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
    • G01F23/02—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 gauge glasses or other apparatus involving a window or transparent tube for directly observing the level to be measured or the level of a liquid column in free communication with the main body of the liquid

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
GB8715671A 1987-07-03 1987-07-03 A device for indicating liquid level in a container Expired - Lifetime GB2206967B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8715671A GB2206967B (en) 1987-07-03 1987-07-03 A device for indicating liquid level in a container

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8715671A GB2206967B (en) 1987-07-03 1987-07-03 A device for indicating liquid level in a container

Publications (3)

Publication Number Publication Date
GB8715671D0 GB8715671D0 (en) 1987-08-12
GB2206967A GB2206967A (en) 1989-01-18
GB2206967B true GB2206967B (en) 1991-12-04

Family

ID=10620034

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8715671A Expired - Lifetime GB2206967B (en) 1987-07-03 1987-07-03 A device for indicating liquid level in a container

Country Status (1)

Country Link
GB (1) GB2206967B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100482136C (en) * 2003-12-19 2009-04-29 张奉华 Domestic water heating tool with colorful water level indicator
DK2510335T3 (en) 2009-12-07 2016-09-05 Meso Scale Technologies Llc Test Cassette
CN102322919A (en) * 2011-06-16 2012-01-18 太仓金菱仪表有限公司 Quartz tube bicolor water gauge

Also Published As

Publication number Publication date
GB8715671D0 (en) 1987-08-12
GB2206967A (en) 1989-01-18

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950703