GB2054272B - Liquid level detecting and warning switch - Google Patents

Liquid level detecting and warning switch

Info

Publication number
GB2054272B
GB2054272B GB8018846A GB8018846A GB2054272B GB 2054272 B GB2054272 B GB 2054272B GB 8018846 A GB8018846 A GB 8018846A GB 8018846 A GB8018846 A GB 8018846A GB 2054272 B GB2054272 B GB 2054272B
Authority
GB
United Kingdom
Prior art keywords
liquid level
level detecting
warning switch
warning
switch
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.)
Expired
Application number
GB8018846A
Other languages
English (en)
Other versions
GB2054272A (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.)
Hitachi Ltd
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co Ltd
Tokico 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 Nissan Motor Co Ltd, Tokico Ltd filed Critical Nissan Motor Co Ltd
Publication of GB2054272A publication Critical patent/GB2054272A/en
Application granted granted Critical
Publication of GB2054272B publication Critical patent/GB2054272B/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
    • G01F23/30—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 floats
    • G01F23/64—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 floats of the free float type without mechanical transmission elements
    • G01F23/72—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 floats of the free float type without mechanical transmission elements using magnetically actuated indicating means
    • G01F23/74—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 floats of the free float type without mechanical transmission elements using magnetically actuated indicating means for sensing changes in level only at discrete points
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H01H36/02—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding actuated by movement of a float carrying a magnet

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Level Indicators Using A Float (AREA)
GB8018846A 1979-06-07 1980-06-09 Liquid level detecting and warning switch Expired GB2054272B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54071488A JPS601569B2 (ja) 1979-06-07 1979-06-07 液面警報装置

Publications (2)

Publication Number Publication Date
GB2054272A GB2054272A (en) 1981-02-11
GB2054272B true GB2054272B (en) 1983-08-10

Family

ID=13462084

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8018846A Expired GB2054272B (en) 1979-06-07 1980-06-09 Liquid level detecting and warning switch

Country Status (6)

Country Link
US (1) US4305285A (enExample)
JP (1) JPS601569B2 (enExample)
DE (1) DE3021424C2 (enExample)
ES (1) ES492238A0 (enExample)
FR (1) FR2458799A1 (enExample)
GB (1) GB2054272B (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS601568B2 (ja) * 1979-06-07 1985-01-16 日産自動車株式会社 液面警報装置
GB2096712B (en) * 1981-03-09 1984-09-05 Roser Erich Oil lubrication system
JPS57154560U (enExample) * 1981-03-24 1982-09-28
DE3305855A1 (de) * 1983-02-19 1984-08-23 Alfred Teves Gmbh, 6000 Frankfurt Vorrichtung zur erfassung der fuellstandshoehe einer fluessigkeit
US4627280A (en) * 1984-04-24 1986-12-09 Toyoda Gosei Co., Ltd. Inductance liquid level meter
DE3524281A1 (de) * 1985-07-06 1987-01-08 Teves Gmbh Alfred Vorrichtung zum erfassen der fuellstandshoehe in einem ausgleichsbehaelter
DE3828517A1 (de) * 1988-08-23 1990-03-08 Daimler Benz Ag Einrichtung zur ueberwachung des fluessigkeitsstandes in einem behaelter
JP3166196B2 (ja) * 1991-04-26 2001-05-14 アイシン精機株式会社 液体リザーバ
DE4115063A1 (de) * 1991-05-08 1992-11-12 Teves Gmbh Alfred Anordnung, bestehend aus einem hauptzylinder und einem behaelter
US5827962A (en) * 1996-09-12 1998-10-27 Itt Automotive Inc. Hydraulic brake fluid reservoir level indicator system
US6727822B2 (en) * 2002-06-27 2004-04-27 Standex International Corporation Liquid level sensor apparatus and method of using thereof
DE102007025826A1 (de) * 2006-12-13 2008-06-19 Continental Teves Ag & Co. Ohg Ausgleichsbehälter für eine hydraulische Kraftfahrzeugbremsanlage
US9217577B2 (en) * 2012-10-19 2015-12-22 Msd Research, Inc. Drain line access device with interior overflow safety switch

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1655395B1 (de) * 1967-05-05 1971-07-08 Teves Gmbh Alfred Nachfuellbehaelter einer druckmittelbetaetigten Bremsanlage,insbesondere fuer Kraftfahrzeuge
US3603926A (en) * 1968-06-20 1971-09-07 Bendix Corp Master cylinder fluid level indicator
FR1587085A (enExample) 1968-09-06 1970-03-13
GB1330648A (en) * 1969-12-25 1973-09-19 Aisin Seiki Hydraulic brake master cylinder brake fluid reservoirs
FR2126136A1 (enExample) * 1971-02-26 1972-10-06 Dentzer Noxa Groupe
GB1358441A (en) * 1971-05-26 1974-07-03 Girling Ltd Fluid level indicating switch devices
GB1388845A (en) * 1971-07-21 1975-03-26 Trist Controls Ltd Ronald Magnet switch for liquid containers
JPS547171Y2 (enExample) * 1973-07-03 1979-04-04
US4037193A (en) * 1973-07-24 1977-07-19 Toyota Jidosha Kogyo Kabushiki Kaisha Liquid level alarm apparatus for a tank of a vehicle
JPS5125669A (enExample) * 1974-08-28 1976-03-02 Toyota Motor Co Ltd

Also Published As

Publication number Publication date
ES8101768A1 (es) 1980-12-16
FR2458799A1 (fr) 1981-01-02
GB2054272A (en) 1981-02-11
DE3021424A1 (de) 1980-12-11
DE3021424C2 (de) 1986-07-10
ES492238A0 (es) 1980-12-16
US4305285A (en) 1981-12-15
JPS55163416A (en) 1980-12-19
JPS601569B2 (ja) 1985-01-16
FR2458799B1 (enExample) 1983-12-23

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee