IT1101937B - LEVEL INDICATOR FOR LIQUIDS - Google Patents

LEVEL INDICATOR FOR LIQUIDS

Info

Publication number
IT1101937B
IT1101937B IT47646/78A IT4764678A IT1101937B IT 1101937 B IT1101937 B IT 1101937B IT 47646/78 A IT47646/78 A IT 47646/78A IT 4764678 A IT4764678 A IT 4764678A IT 1101937 B IT1101937 B IT 1101937B
Authority
IT
Italy
Prior art keywords
liquids
level indicator
indicator
level
Prior art date
Application number
IT47646/78A
Other languages
Italian (it)
Other versions
IT7847646A0 (en
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 IT7847646A0 publication Critical patent/IT7847646A0/en
Application granted granted Critical
Publication of IT1101937B publication Critical patent/IT1101937B/en

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)
IT47646/78A 1977-01-18 1978-01-16 LEVEL INDICATOR FOR LIQUIDS IT1101937B (en)

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
IT7847646A0 IT7847646A0 (en) 1978-01-16
IT1101937B true IT1101937B (en) 1985-10-07

Family

ID=9728790

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47646/78A IT1101937B (en) 1977-01-18 1978-01-16 LEVEL INDICATOR FOR LIQUIDS

Country Status (5)

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

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 (en) * 2018-04-25 2024-06-21 深圳市科烸芯科技有限公司 Liquid level detection circuit and liquid level detection device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE956629C (en) * 1954-04-21 1957-01-24 Peters Ag Claudius Device for evaluating a change in status, in particular for displaying the filling level of storage containers of all kinds
GB1549851A (en) * 1975-04-19 1979-08-08 Lucas Electrical Ltd Liquid level detector circuits

Also Published As

Publication number Publication date
FR2377615A1 (en) 1978-08-11
DE2801586A1 (en) 1978-07-20
FR2377615B1 (en) 1980-08-22
ES465640A1 (en) 1978-09-16
IT7847646A0 (en) 1978-01-16
GB1598447A (en) 1981-09-23

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