AU513188B2 - Current/flow comparator - Google Patents

Current/flow comparator

Info

Publication number
AU513188B2
AU513188B2 AU49442/79A AU4944279A AU513188B2 AU 513188 B2 AU513188 B2 AU 513188B2 AU 49442/79 A AU49442/79 A AU 49442/79A AU 4944279 A AU4944279 A AU 4944279A AU 513188 B2 AU513188 B2 AU 513188B2
Authority
AU
Australia
Prior art keywords
current
flow comparator
comparator
flow
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
AU49442/79A
Other languages
English (en)
Other versions
AU4944279A (en
Inventor
Sterling Cheney Barton
Lawrence Edmund Jordan
Nickolas Schmitt
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of AU4944279A publication Critical patent/AU4944279A/en
Application granted granted Critical
Publication of AU513188B2 publication Critical patent/AU513188B2/en
Anticipated expiration legal-status Critical
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/24—Protection against failure of cooling arrangements, e.g. due to loss of cooling medium or due to interruption of the circulation of cooling medium
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays
    • H02H5/086—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays of cooling or lubricating fluids

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Measuring Volume Flow (AREA)
  • Details Of Flowmeters (AREA)
AU49442/79A 1978-09-15 1979-08-01 Current/flow comparator Expired AU513188B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US942478 1978-09-15
US05/942,478 US4190829A (en) 1978-09-15 1978-09-15 Current/flow comparator

Publications (2)

Publication Number Publication Date
AU4944279A AU4944279A (en) 1980-03-20
AU513188B2 true AU513188B2 (en) 1980-11-20

Family

ID=25478129

Family Applications (1)

Application Number Title Priority Date Filing Date
AU49442/79A Expired AU513188B2 (en) 1978-09-15 1979-08-01 Current/flow comparator

Country Status (7)

Country Link
US (1) US4190829A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5546850A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU513188B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1129517A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES484010A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1122934B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
MX (1) MX147218A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3204050C1 (de) * 1982-02-06 1983-07-21 Chemie Und Filter Gmbh, Verfahrenstechnik Kg, 6900 Heidelberg Elektromagnetisch betaetigte Axialkolbenpumpe,insbesondere Membranpumpe
DE3427758A1 (de) * 1984-07-24 1986-01-30 Siemens AG, 1000 Berlin und 8000 München Elektrische maschine mit ueberwachung des fluessigkeitskuehlkreislaufes
US4602872A (en) * 1985-02-05 1986-07-29 Westinghouse Electric Corp. Temperature monitoring system for an electric generator
DE3919680A1 (de) * 1989-06-16 1990-12-20 Standard Elektrik Lorenz Ag Zwischenstelle in einer nachrichtenuebertragungsstrecke
US6794773B2 (en) 2001-01-23 2004-09-21 General Electric Company Winding restraint on wound rotor generators or motors and method for forming the same

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2761284A (en) * 1951-12-28 1956-09-04 Phillips Petroleum Co Temperature rise regulator for continuous combustion power plants
US3010401A (en) * 1957-10-08 1961-11-28 W Dan Bergman Ab Device for electrically-driven liquid-cooled pump
US3665945A (en) * 1971-02-03 1972-05-30 M & J Valve Co Valve control system and method
US3822389A (en) * 1972-08-24 1974-07-02 Gen Electric Liquid coolant pressurizing device for dynamoelectric machines
DE2455030A1 (de) * 1974-11-20 1976-05-26 Knuerr Kg Elektronik Hans Vorrichtung zur ueberwachung einer kuehlfluidstroemung
JPS5292553A (en) * 1976-01-29 1977-08-04 Hokushin Electric Works Watching apparatus for differential flow
US4021794A (en) * 1976-04-14 1977-05-03 Airpax Electronics Incorporated External condition responsive circuit producing alarm when frequency (engine speed) to amplitude signal (oil pressure) ratio exceeds threshold
US4101874A (en) * 1976-07-29 1978-07-18 The Perkin-Elmer Corporation Fluid flow indicator and flow switch
JPS6059817B2 (ja) * 1976-12-07 1985-12-26 株式会社東芝 発電機固定子一次冷却水制御装置

Also Published As

Publication number Publication date
IT1122934B (it) 1986-04-30
MX147218A (es) 1982-10-25
IT7925422A0 (it) 1979-08-31
JPS5546850A (en) 1980-04-02
AU4944279A (en) 1980-03-20
CA1129517A (en) 1982-08-10
ES484010A1 (es) 1980-04-01
US4190829A (en) 1980-02-26
JPH0221211B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-05-14

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired