JPH0421425B2 - - Google Patents

Info

Publication number
JPH0421425B2
JPH0421425B2 JP57003241A JP324182A JPH0421425B2 JP H0421425 B2 JPH0421425 B2 JP H0421425B2 JP 57003241 A JP57003241 A JP 57003241A JP 324182 A JP324182 A JP 324182A JP H0421425 B2 JPH0421425 B2 JP H0421425B2
Authority
JP
Japan
Prior art keywords
level
hall effect
alternating current
magnetic flux
air gap
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 - Lifetime
Application number
JP57003241A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57166853A (en
Inventor
Ei Buraun Furetsudo
Efu Gurausu Aren
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.)
KOMUEAA ROTORON Inc
Original Assignee
KOMUEAA ROTORON Inc
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 KOMUEAA ROTORON Inc filed Critical KOMUEAA ROTORON Inc
Publication of JPS57166853A publication Critical patent/JPS57166853A/ja
Publication of JPH0421425B2 publication Critical patent/JPH0421425B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/187—Machine fault alarms
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches
    • H03K17/95—Proximity switches using a magnetic detector
    • H03K17/9517—Proximity switches using a magnetic detector using galvanomagnetic devices

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Motor And Converter Starters (AREA)
JP57003241A 1981-01-12 1982-01-12 Ac machine state sensor Granted JPS57166853A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/224,126 US4506218A (en) 1981-01-12 1981-01-12 Condition sensing arrangement for ac machines

Publications (2)

Publication Number Publication Date
JPS57166853A JPS57166853A (en) 1982-10-14
JPH0421425B2 true JPH0421425B2 (en]) 1992-04-10

Family

ID=22839369

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57003241A Granted JPS57166853A (en) 1981-01-12 1982-01-12 Ac machine state sensor

Country Status (6)

Country Link
US (1) US4506218A (en])
EP (1) EP0056294B1 (en])
JP (1) JPS57166853A (en])
BR (1) BR8200114A (en])
CA (1) CA1197291A (en])
DE (1) DE3270912D1 (en])

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4612537A (en) * 1985-01-28 1986-09-16 Maritonex Inc. Alarm system for monitoring the temperature of a liquid contained in a reservoir
JPH0760561B2 (ja) * 1985-02-28 1995-06-28 キヤノン株式会社 磁気デイスク装置
JPH0690227B2 (ja) * 1986-09-04 1994-11-14 本田技研工業株式会社 車載電線の電流検出装置
US4977375A (en) * 1989-01-18 1990-12-11 Northern Telecom Limited Fan operating status sensing circuit
US6091238A (en) * 1995-06-22 2000-07-18 Kevin McDermott Variable output electrical device
US5739698A (en) * 1996-06-20 1998-04-14 Csi Technology, Inc. Machine fault detection using slot pass frequency flux measurements
TW338585U (en) * 1997-07-15 1998-08-11 Asia Vital Components Co Ltd Improvement on a non-carbon brush DC fan
ES2183316T3 (es) * 1997-07-23 2003-03-16 Tcg Unitech Ag Procedimiento para controlar una bomba de refrigerante de un motor de combustion.
EP0963034A1 (en) * 1998-06-05 1999-12-08 Hsin-Mao Hsieh Drive circuit with signal detection capability for a DC brushless fan motor
US6828915B2 (en) * 2002-01-16 2004-12-07 Adc Dsl Systems, Inc. Circuit board fault warning system
US7079039B2 (en) * 2002-12-13 2006-07-18 Daimlerchrysler Ag Process and device for testing electric motors, in particular fan motors, for functionality
US6911838B2 (en) * 2003-03-31 2005-06-28 General Electric Company Online detection of shorted turns in a generator field winding
US6956459B2 (en) * 2003-10-23 2005-10-18 Siemens Westinghouse Power Corporation Sensing apparatus for blown fuse of rectifying wheel and associated methods
US7098560B2 (en) * 2004-05-27 2006-08-29 Siemens Power Generation, Inc. Flux probe for electric generator
US8154417B2 (en) * 2007-10-05 2012-04-10 Itt Manufacturing Enterprises, Inc. Compact self-contained condition monitoring device
CN102403991A (zh) * 2010-09-17 2012-04-04 上海格尼特控制技术有限公司 霍尔开关
US8781765B2 (en) 2011-04-11 2014-07-15 General Electric Company Online monitoring system and method to identify shorted turns in a field winding of a rotor
US9330560B2 (en) 2012-05-02 2016-05-03 Flowserve Management Company Reconfigurable equipment monitoring systems and methods
US9811984B2 (en) 2015-04-13 2017-11-07 Itt Manufacturing Enterprises Llc Sensing module for monitoring conditions of a pump or pump assembly
US10353005B2 (en) 2017-07-13 2019-07-16 Itt Manufacturing Enterprises Llc Technique for self learning motor load profile

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3123725A (en) * 1964-03-03 Hall effect dynamoelectric machine
US1522196A (en) * 1921-03-01 1925-01-06 Gen Electric Current indicator
US2754464A (en) * 1954-01-13 1956-07-10 Siemens Ag Measuring and control device for dynamoelectric machines
US2939074A (en) * 1956-03-28 1960-05-31 Anstee & Ware Ltd Devices for testing rotary machines, electric motors, generators and the like
US3018395A (en) * 1960-07-15 1962-01-23 United Aircraft Corp Tachometer generator
FR1354298A (fr) * 1963-01-25 1964-03-06 Csf Génératrice tachymétrique à effet hall
US3404339A (en) * 1965-09-16 1968-10-01 Navy Usa Measurement of rotational speed of induction motors
US3373300A (en) * 1966-02-04 1968-03-12 Francis P. Sullivan Electric bearing failure indicator
FR1604783A (en]) * 1967-12-29 1972-01-31
US3506914A (en) * 1968-07-01 1970-04-14 Gen Electric Method and apparatus for detecting rotor flux variations in the air gap of a dynamoelectric machine
CH509593A (de) * 1969-05-24 1971-06-30 Siemens Ag Einrichtung zur Erzeugung einer drehzahlproportionalen Gleichspannung
DE1948906A1 (de) * 1969-09-27 1971-04-15 Papst Motoren Kg Schutzgenerator
DE2130556C3 (de) * 1971-06-19 1975-06-26 Siemens Ag Meßanordnung zur Ermittlung des Luftspaltflusses von Drehfeldmaschinen
US3751691A (en) * 1972-04-14 1973-08-07 Sperry Rand Corp Rotational transducer using hall effect devices
GB1436716A (en) * 1972-05-25 1976-05-26 Papst Motoren Kg Brushless dc motors
DE2252859A1 (de) * 1972-10-27 1974-05-09 Siemens Ag Messanordnung mit einer hallgeneratorsonde zur magnetischen flusserfassung in magnetisierbaren werkstoffen
US3943504A (en) * 1975-02-25 1976-03-09 Westinghouse Electric Corporation Electric motor direction indicating device
DE2612464C2 (de) * 1976-03-24 1978-03-23 Papst-Motoren Kg, 7742 St Georgen Kollektorloser Gleichstrommotor
US4164705A (en) * 1976-04-27 1979-08-14 Westinghouse Electric Corp. Brushless exciter fault indicator system
US4136312A (en) * 1976-12-30 1979-01-23 Westinghouse Electric Corp. Method and apparatus for detection of rotor faults in dynamoelectric machines
US4086519A (en) * 1977-02-25 1978-04-25 Electro-Craft Corporation Hall effect shaft angle position encoder
FR2388248A1 (fr) * 1977-04-20 1978-11-17 Radiotechnique Compelec Detecteur de position a effet hall
US4185279A (en) * 1977-06-15 1980-01-22 Dickey-John Corporation Motion detector
US4230961A (en) * 1978-09-12 1980-10-28 Westinghouse Electric Corp. Magnetic flux sensor for laminated cores
JPS596396B2 (ja) * 1978-12-15 1984-02-10 株式会社フオレスト モ−タ故障検出器
DE2901321A1 (de) * 1979-01-15 1980-07-24 Hilti Ag Stator fuer elektromotor
SE420954B (sv) * 1979-06-07 1981-11-09 Hans Andersson Anordning for overvakning av rotationsriktningen hos ett roterbart element
US4296410A (en) * 1980-02-25 1981-10-20 Sprague Electric Company Two-state Hall element proximity sensor device with lamp indicator

Also Published As

Publication number Publication date
BR8200114A (pt) 1982-11-03
EP0056294B1 (en) 1986-05-07
DE3270912D1 (en) 1986-06-12
EP0056294A3 (en) 1983-06-01
JPS57166853A (en) 1982-10-14
CA1197291A (en) 1985-11-26
US4506218A (en) 1985-03-19
EP0056294A2 (en) 1982-07-21

Similar Documents

Publication Publication Date Title
JPH0421425B2 (en])
US4554491A (en) Brushless DC motor having a laminated stator with a single stator winding
US5227704A (en) Motor controls, refrigeration systems and methods of motor operation and control
US4097789A (en) Rotation-supervised d-c fan or blower system
EP0851570A1 (en) A device for controlling a synchronous electric motor with a permanent magnet rotor
US4349813A (en) Blown fuse sensor
US3402333A (en) Electronically controlled synchronous motor
USRE33167E (en) Circuit arrangement for monitoring speed of a drive motor
JPS61500885A (ja) ブラシレス同期発電機の短絡回転ダイオ−ド検出装置
US4580082A (en) Method and devices for detecting whether a direct-current motor has slowed-down and a motor equipped with a device of this type
US3307091A (en) Electronically commutated dynamoelectric machine
KR101501718B1 (ko) 영구자석 발전기 자동 제동 제어장치
US7224137B2 (en) Instantaneous fan stopping method and structure thereof
JP2003111475A (ja) 異常回転数検出装置を備える可変速度フアンモータ
US3662240A (en) Small-size direct current motor
CN211554246U (zh) 一种轴流风扇在线测试系统
JPS58218887A (ja) ブラシレス直流モ−タ
JPH11239688A (ja) 洗濯機
JPH0226220Y2 (en])
JPH11215899A (ja) 回転整流装置の自動故障検出装置
SE449675B (sv) Skyddssystem for kortsluten diod for en borstlos vexelstromsgenerator
KR200235559Y1 (ko) 도전방지 적산전력계
JP2555216B2 (ja) 冷却ファン監視装置
JP3525401B2 (ja) 水車用電動サーボアンプの故障監視装置
Shafer Methods of Monitoring Fan Performance