ES487103A0 - A DEVICE TO DISCOVER THE PRESENCE OF A LIQUID - Google Patents

A DEVICE TO DISCOVER THE PRESENCE OF A LIQUID

Info

Publication number
ES487103A0
ES487103A0 ES487103A ES487103A ES487103A0 ES 487103 A0 ES487103 A0 ES 487103A0 ES 487103 A ES487103 A ES 487103A ES 487103 A ES487103 A ES 487103A ES 487103 A0 ES487103 A0 ES 487103A0
Authority
ES
Spain
Prior art keywords
discover
liquid
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.)
Granted
Application number
ES487103A
Other languages
Spanish (es)
Other versions
ES8102353A1 (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.)
Smiths Group PLC
Original Assignee
Smiths Group PLC
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 Smiths Group PLC filed Critical Smiths Group PLC
Publication of ES487103A0 publication Critical patent/ES487103A0/en
Publication of ES8102353A1 publication Critical patent/ES8102353A1/en
Expired 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
    • G01F23/246—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 thermal devices
    • G01F23/247—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 thermal devices for discrete levels

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Testing Of Individual Semiconductor Devices (AREA)
ES487103A 1978-12-21 1979-12-20 Flowable medium detector with heater - has two temp.-dependent semiconductor devices of different thermal ranges, from whose differences medium presence is determined Expired ES8102353A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7849472 1978-12-21

Publications (2)

Publication Number Publication Date
ES487103A0 true ES487103A0 (en) 1980-12-16
ES8102353A1 ES8102353A1 (en) 1980-12-16

Family

ID=10501861

Family Applications (1)

Application Number Title Priority Date Filing Date
ES487103A Expired ES8102353A1 (en) 1978-12-21 1979-12-20 Flowable medium detector with heater - has two temp.-dependent semiconductor devices of different thermal ranges, from whose differences medium presence is determined

Country Status (6)

Country Link
DE (1) DE2950762A1 (en)
ES (1) ES8102353A1 (en)
FR (1) FR2450446B1 (en)
IN (1) IN153363B (en)
IT (1) IT1164787B (en)
SE (1) SE444860B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3639435A1 (en) * 1986-11-18 1988-05-26 Hoelter Heinz Volume flow monitoring system for filtering devices
EP0463192A1 (en) * 1990-06-23 1992-01-02 Dieter Bohn Method and device to measure fluid level in liquid containers
DE102017210152A1 (en) 2017-06-19 2018-12-20 Ab Elektronik Sachsen Gmbh Device for detecting media
DE102017210153A1 (en) 2017-06-19 2018-12-20 Ab Elektronik Sachsen Gmbh Device for level detection of media in containers

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3302458A (en) * 1963-10-09 1967-02-07 American Radiator & Standard Liquid level sensing device
DE2132452C3 (en) * 1971-06-30 1979-02-01 Robert Bosch Gmbh, 7000 Stuttgart Device for measuring and checking liquid levels in containers

Also Published As

Publication number Publication date
IT1164787B (en) 1987-04-15
SE7910503L (en) 1980-06-22
IN153363B (en) 1984-07-07
IT7951124A0 (en) 1979-12-18
DE2950762A1 (en) 1980-07-03
ES8102353A1 (en) 1980-12-16
FR2450446A1 (en) 1980-09-26
DE2950762C2 (en) 1988-05-26
FR2450446B1 (en) 1985-08-30
SE444860B (en) 1986-05-12

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20001218