GB2072338B - Liquid level indicator - Google Patents

Liquid level indicator

Info

Publication number: GB2072338B
Authority: GB; United Kingdom
Prior art keywords: liquid level; level indicator; indicator; liquid; level
Prior art date: 1980-03-21
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

Application number

GB8108141A

Other versions

GB2072338A (en

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.)

ZF International UK Ltd

Original Assignee

Lucas Industries Ltd

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.)

1980-03-21

Filing date

1981-03-16

Publication date

1983-09-21

1981-03-16 Application filed by Lucas Industries Ltd filed Critical Lucas Industries Ltd

1981-03-16 Priority to GB8108141A priority Critical patent/GB2072338B/en

1981-09-30 Publication of GB2072338A publication Critical patent/GB2072338A/en

1983-09-21 Application granted granted Critical

1983-09-21 Publication of GB2072338B publication Critical patent/GB2072338B/en

Status Expired legal-status Critical Current

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

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
Thermal Sciences (AREA)
Fluid Mechanics (AREA)
General Physics & Mathematics (AREA)
Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)

GB8108141A 1980-03-21 1981-03-16 Liquid level indicator Expired GB2072338B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB8108141A GB2072338B (en)	1980-03-21	1981-03-16	Liquid level indicator

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB8009714		1980-03-21
GB8108141A GB2072338B (en)	1980-03-21	1981-03-16	Liquid level indicator

Publications (2)

Publication Number	Publication Date
GB2072338A GB2072338A (en)	1981-09-30
GB2072338B true GB2072338B (en)	1983-09-21

Family

ID=26274931

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB8108141A Expired GB2072338B (en)	1980-03-21	1981-03-16	Liquid level indicator

Country Status (1)

Country	Link
GB (1)	GB2072338B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB8422910D0 (en) *	1984-09-11	1984-10-17	Lucas Ind Plc	Liquid level gauge

1981
- 1981-03-16 GB GB8108141A patent/GB2072338B/en not_active Expired

Also Published As

Publication number	Publication date
GB2072338A (en)	1981-09-30

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Legal Events

Date	Code	Title	Description
1993-11-10	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19930316