FR2377615B1 - - Google Patents

Info

Publication number
FR2377615B1
FR2377615B1 FR7801386A FR7801386A FR2377615B1 FR 2377615 B1 FR2377615 B1 FR 2377615B1 FR 7801386 A FR7801386 A FR 7801386A FR 7801386 A FR7801386 A FR 7801386A FR 2377615 B1 FR2377615 B1 FR 2377615B1
Authority
FR
France
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
FR7801386A
Other languages
French (fr)
Other versions
FR2377615A1 (fr
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.)
Filing date
Publication date
Application filed by Lucas Industries Ltd filed Critical Lucas Industries Ltd
Publication of FR2377615A1 publication Critical patent/FR2377615A1/fr
Application granted granted Critical
Publication of FR2377615B1 publication Critical patent/FR2377615B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/18—Safety devices; Monitoring
    • B60T17/22—Devices for monitoring or checking brake systems; Signal devices
    • B60T17/225—Devices for monitoring or checking brake systems; Signal devices brake fluid level indicators
    • 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
    • G01F23/26—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 capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
    • G01F23/263—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 capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
    • G01F23/265—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 capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors for discrete levels

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Level Indicators Using A Float (AREA)
  • Transmission Of Braking Force In Braking Systems (AREA)
FR7801386A 1977-01-18 1978-01-18 Dispositif indicateur du niveau d'un liquide Granted FR2377615A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1832/77A GB1598447A (en) 1977-01-18 1977-01-18 Liquid level indicators

Publications (2)

Publication Number Publication Date
FR2377615A1 FR2377615A1 (fr) 1978-08-11
FR2377615B1 true FR2377615B1 (xx) 1980-08-22

Family

ID=9728790

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7801386A Granted FR2377615A1 (fr) 1977-01-18 1978-01-18 Dispositif indicateur du niveau d'un liquide

Country Status (5)

Country Link
DE (1) DE2801586A1 (xx)
ES (1) ES465640A1 (xx)
FR (1) FR2377615A1 (xx)
GB (1) GB1598447A (xx)
IT (1) IT1101937B (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2169082A (en) * 1984-12-13 1986-07-02 Lin Shang Jing High frequency electrode type low-level alarm for drip-feed injection
CN108332820B (zh) * 2018-04-25 2024-06-21 深圳市科烸芯科技有限公司 一种液位检测电路和液位检测装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE956629C (de) * 1954-04-21 1957-01-24 Peters Ag Claudius Einrichtung zum Auswerten einer Zustandsaenderung, insbesondere zum Anzeigen des Fuellungsgrades von Vorratsbehaeltern aller Art
GB1549851A (en) * 1975-04-19 1979-08-08 Lucas Electrical Ltd Liquid level detector circuits

Also Published As

Publication number Publication date
IT1101937B (it) 1985-10-07
ES465640A1 (es) 1978-09-16
DE2801586A1 (de) 1978-07-20
IT7847646A0 (it) 1978-01-16
FR2377615A1 (fr) 1978-08-11
GB1598447A (en) 1981-09-23

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Legal Events

Date Code Title Description
ST Notification of lapse