DE3925927A1 - Magnetischer schwimmer fuer magnetischen sensor - Google Patents

Magnetischer schwimmer fuer magnetischen sensor

Info

Publication number
DE3925927A1
DE3925927A1 DE3925927A DE3925927A DE3925927A1 DE 3925927 A1 DE3925927 A1 DE 3925927A1 DE 3925927 A DE3925927 A DE 3925927A DE 3925927 A DE3925927 A DE 3925927A DE 3925927 A1 DE3925927 A1 DE 3925927A1
Authority
DE
Germany
Prior art keywords
magnetic
float
magnetic float
line switch
sintered magnet
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
DE3925927A
Other languages
German (de)
English (en)
Other versions
DE3925927C2 (enExample
Inventor
Junzo Aisa
Mituo Yamamoto
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.)
Somic Ishikawa KK
Original Assignee
ISHIKAWA TEKKO K K TOKIO/TOKYO JP
Ishikawa Tekko KK
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 ISHIKAWA TEKKO K K TOKIO/TOKYO JP, Ishikawa Tekko KK filed Critical ISHIKAWA TEKKO K K TOKIO/TOKYO JP
Publication of DE3925927A1 publication Critical patent/DE3925927A1/de
Application granted granted Critical
Publication of DE3925927C2 publication Critical patent/DE3925927C2/de
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • 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
    • G01F23/76—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 characterised by the construction of the float

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Level Indicators Using A Float (AREA)
DE3925927A 1988-10-26 1989-08-04 Magnetischer schwimmer fuer magnetischen sensor Granted DE3925927A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63270310A JP2577461B2 (ja) 1988-10-26 1988-10-26 液面計

Publications (2)

Publication Number Publication Date
DE3925927A1 true DE3925927A1 (de) 1990-05-03
DE3925927C2 DE3925927C2 (enExample) 1993-04-01

Family

ID=17484495

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3925927A Granted DE3925927A1 (de) 1988-10-26 1989-08-04 Magnetischer schwimmer fuer magnetischen sensor

Country Status (3)

Country Link
US (1) US4959997A (enExample)
JP (1) JP2577461B2 (enExample)
DE (1) DE3925927A1 (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5293896A (en) * 1989-12-11 1994-03-15 Balzers Aktiengesellschaft Arrangement for measuring the level of liquified gases
DE19958195A1 (de) * 1999-10-08 2001-04-12 Continental Teves Ag & Co Ohg Bremsflüssigkeitsbehälter
WO2001040045A3 (de) * 1999-12-02 2002-04-04 Continental Teves Ag & Co Ohg Bremsflüssigkeitsbehälter

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5067169A (en) * 1990-08-01 1991-11-19 Duracraft Corporation Portable humidifier
JP3237531B2 (ja) 1996-08-01 2001-12-10 株式会社デンソー 液面レベル検出器
DE20107600U1 (de) 2001-05-04 2001-08-09 Hahn, Gustav, 90522 Oberasbach Neigungsschalter mit kontrolliertem Differenzschaltwinkel
US7398682B2 (en) * 2003-11-18 2008-07-15 Innercool Therapies, Inc. Low fluid level detector system
US7316541B2 (en) * 2004-08-19 2008-01-08 Black & Decker Inc. Engine-powered air compressor with a controller for low oil condition
US20060091295A1 (en) * 2004-11-04 2006-05-04 Staples Peter E System to illuminate an enclosure
WO2009086288A1 (en) * 2007-12-21 2009-07-09 Gayston Corporation Pressure vessel with co2 liquid level indicator for a paintball marker
CN101957228A (zh) * 2010-08-20 2011-01-26 奇瑞汽车股份有限公司 一种清洗液液面检测装置
JP6097081B2 (ja) * 2013-01-15 2017-03-15 東洋ゴム工業株式会社 センサとその製造方法
JP6222930B2 (ja) * 2013-01-15 2017-11-01 東洋ゴム工業株式会社 センサ
CN103605382B (zh) * 2013-11-06 2016-01-20 沈阳理工大学 一种粉料高度自动控制装置
CA2936255A1 (en) 2015-07-16 2017-01-16 Hydra Heating Industries, LLC Magnetic closures for pipe insulation
US9868268B2 (en) 2015-08-06 2018-01-16 Hydra Heating Industries, Llc. Magnetic clasps for insulation
US9914284B2 (en) 2015-08-06 2018-03-13 Hydra Heating Industries, LLC Magnetic insulation
CN106774471B (zh) * 2016-12-15 2019-06-18 南京工业职业技术学院 一种自锁浮球液位开关
JP6983540B2 (ja) * 2017-05-29 2021-12-17 セーレン株式会社 液面検出装置及びインクジェット記録装置
CN109675167A (zh) * 2018-12-25 2019-04-26 张美贞 一种呼吸科医疗专用的可净化水分且可自动加水的制氧机
CN110296752A (zh) * 2019-08-08 2019-10-01 范序政 用于磁浮子液位传感器的张开式磁浮子及其安装使用方法
US10962402B1 (en) * 2019-09-13 2021-03-30 Flo Technologies, Inc. Low power consumption toilet tank leak detection device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3555905A (en) * 1969-05-21 1971-01-19 Clayton A George Apparatus for measuring liquid in a tank
US4057700A (en) * 1975-02-21 1977-11-08 Aisin Seiki Kabushiki Kaisha Fluid level indicator
US4549157A (en) * 1982-05-27 1985-10-22 Xolox Corporation Plastic bonded magnet with circumferentially spaced poles having substantially uniform magnetic properties

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3202173A (en) * 1961-10-02 1965-08-24 Acf Ind Inc Carburetor
US3112730A (en) * 1961-11-15 1963-12-03 Jr Leland S Inscho Liquid level indicator
US3270770A (en) * 1963-11-29 1966-09-06 Dare Products Inc Float controlled valve assembly
US3868485A (en) * 1972-09-07 1975-02-25 Hunt Philip A Density sensing probe switch with adjustable float
JPS6017713Y2 (ja) * 1977-11-07 1985-05-30 株式会社トキメック 光電変換素子の温度制御装置
JPS55113930U (enExample) * 1979-02-05 1980-08-11
US4631375A (en) * 1984-12-05 1986-12-23 Mccann's Engineering & Manufacturing Company Delayed action liquid level sensing apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3555905A (en) * 1969-05-21 1971-01-19 Clayton A George Apparatus for measuring liquid in a tank
US4057700A (en) * 1975-02-21 1977-11-08 Aisin Seiki Kabushiki Kaisha Fluid level indicator
US4549157A (en) * 1982-05-27 1985-10-22 Xolox Corporation Plastic bonded magnet with circumferentially spaced poles having substantially uniform magnetic properties

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Patents Abstracts of Japan, P-400 October 26, 1985, Vol. 9/No. 269, JP 60-115813(A) *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5293896A (en) * 1989-12-11 1994-03-15 Balzers Aktiengesellschaft Arrangement for measuring the level of liquified gases
DE19958195A1 (de) * 1999-10-08 2001-04-12 Continental Teves Ag & Co Ohg Bremsflüssigkeitsbehälter
WO2001040045A3 (de) * 1999-12-02 2002-04-04 Continental Teves Ag & Co Ohg Bremsflüssigkeitsbehälter

Also Published As

Publication number Publication date
JPH02116719A (ja) 1990-05-01
DE3925927C2 (enExample) 1993-04-01
JP2577461B2 (ja) 1997-01-29
US4959997A (en) 1990-10-02

Similar Documents

Publication Publication Date Title
DE3925927C2 (enExample)
DE3334159C2 (enExample)
DE4425540C2 (de) Modulares Ventil für strömende Medien
WO2013092109A1 (de) Einrichtung zum verhindern einer fehlbefüllung eines behälters von beispielsweise kraftfahrzeugen mittels eines zapfventils
DE2517745A1 (de) Vorrichtung zum lagern von rohren oder rohrleitungen
DE2643355A1 (de) Schwimmergesteuerter niveaugrenzwertschalter
DE2509995B2 (de) Kühlerverschlusskappe
DE3516246A1 (de) Mischbatterie mit hartmaterialscheiben und einer vordrosseleinrichtung
AT390049B (de) Magnetischer wasseraufbereiter
DE3219799A1 (de) Magnetventil
DE69408084T2 (de) Elektromagnetisch betätigbares Kraftstoffdosier- und Zerstäubungsventil
DE2900413C3 (de) Flüssigkeitsstandanzeiger, insbesondere für Treibstoffbehälter von Kraftfahrzeugen
DE3319277A1 (de) Schwimmer fuer niveausteuerung
EP0950878A1 (de) Einrichtung zur Erfassung des Flüssigkeitsstandes
DE2354662A1 (de) Signalvorrichtung fuer wasserentkalker, insbesondere von geschirrspuelmaschinen
DE8617907U1 (de) Vorrichtung zur Auslösung eines Reedschalters, insbesondere für Einrichtungen an Kraftfahrzeugen zur Kontrolle von Flüssigkeitsständen
CH675628A5 (enExample)
DE8409882U1 (de) Vorrichtung zum anzeigen der stellung eines beweglichen gegenstandes, insbesondere eines fluessigkeitsstandes
DE2708893A1 (de) Abflussverschluss
DE1051589B (de) Selbsttaetiges Ventil zum Einbau in den Verschlussstopfen eines eine gasabgebende Fluessigkeit enthaltenden Behaelters, insbesondere Akkumulators
DE2429012A1 (de) Niveausteuerung fuer milchbehaelter
AT264643B (de) Verzögerungsanordnung, insbesondere für elektrische Schalter
DE102017123115A1 (de) Magnetorheologischer Aktor mit Verschlussanordnung
DE1139659B (de) Schwimmergesteuerter Kontaktgeber fuer Fluessigkeitsstandanzeige-Vorrichtung
DE3240959A1 (de) Fluidsteuerventil

Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8127 New person/name/address of the applicant

Owner name: KABUSHIKI KAISHA SOMIC ISHIKAWA, TOKIO/TOKYO, JP

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee