GB9407012D0 - Improvements in or relating to sensing apparatus - Google Patents

Improvements in or relating to sensing apparatus

Info

Publication number
GB9407012D0
GB9407012D0 GB9407012A GB9407012A GB9407012D0 GB 9407012 D0 GB9407012 D0 GB 9407012D0 GB 9407012 A GB9407012 A GB 9407012A GB 9407012 A GB9407012 A GB 9407012A GB 9407012 D0 GB9407012 D0 GB 9407012D0
Authority
GB
United Kingdom
Prior art keywords
relating
sensing apparatus
sensing
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.)
Withdrawn
Application number
GB9407012A
Other versions
GB2276948A (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.)
MELLARD DEREK
Original Assignee
MELLARD DEREK
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 MELLARD DEREK filed Critical MELLARD DEREK
Publication of GB9407012D0 publication Critical patent/GB9407012D0/en
Publication of GB2276948A publication Critical patent/GB2276948A/en
Withdrawn legal-status Critical Current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
    • G01F23/24—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 variations of resistance of resistors due to contact with conductor fluid
    • G01F23/241—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 variations of resistance of resistors due to contact with conductor fluid for discrete levels
    • G01F23/243—Schematic arrangements of probes combined with measuring circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/14—Collecting or removing condensed and defrost water; Drip trays
    • 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
    • G01F23/24—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 variations of resistance of resistors due to contact with conductor fluid
    • G01F23/241—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 variations of resistance of resistors due to contact with conductor fluid for discrete levels
    • G01F23/242—Mounting arrangements for electrodes
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
    • G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Reciprocating Pumps (AREA)
GB9407012A 1993-04-08 1994-04-08 Liquid level sensor Withdrawn GB2276948A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB939307392A GB9307392D0 (en) 1993-04-08 1993-04-08 Improvements in or relating to sensing apparatus

Publications (2)

Publication Number Publication Date
GB9407012D0 true GB9407012D0 (en) 1994-06-01
GB2276948A GB2276948A (en) 1994-10-12

Family

ID=10733586

Family Applications (2)

Application Number Title Priority Date Filing Date
GB939307392A Pending GB9307392D0 (en) 1993-04-08 1993-04-08 Improvements in or relating to sensing apparatus
GB9407012A Withdrawn GB2276948A (en) 1993-04-08 1994-04-08 Liquid level sensor

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB939307392A Pending GB9307392D0 (en) 1993-04-08 1993-04-08 Improvements in or relating to sensing apparatus

Country Status (1)

Country Link
GB (2) GB9307392D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6877359B2 (en) * 2001-11-30 2005-04-12 Taiwan Semiconductor Manufacturing Co., Ltd. Liquid leak detection
FR2854681B1 (en) * 2003-05-05 2005-06-17 CRYOGENIC CONTAINER FOR THE GAS STORAGE OF PRODUCTS AND USE FOR THE STORAGE OF BIOLOGICAL PRODUCTS
GB2409116A (en) * 2003-12-12 2005-06-15 Chao-Wei Huang Essence burner using resistance detection element to detect water level

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3328210C2 (en) * 1983-08-04 1986-01-09 Endress U. Hauser Gmbh U. Co, 7867 Maulburg Capacitive sensor

Also Published As

Publication number Publication date
GB9307392D0 (en) 1993-06-02
GB2276948A (en) 1994-10-12

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)