BE721142A - - Google Patents

Info

Publication number
BE721142A
BE721142A BE721142DA BE721142A BE 721142 A BE721142 A BE 721142A BE 721142D A BE721142D A BE 721142DA BE 721142 A BE721142 A BE 721142A
Authority
BE
Belgium
Application number
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
Priority claimed from DE19671588376 external-priority patent/DE1588376C3/de
Application filed filed Critical
Publication of BE721142A publication Critical patent/BE721142A/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/488—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by variable reluctance detectors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/085—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/093—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against increase beyond, or decrease below, a predetermined level of rotational speed
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K17/00—Asynchronous induction motors; Asynchronous induction generators
    • H02K17/02—Asynchronous induction motors
    • H02K17/30—Structural association of asynchronous induction motors with auxiliary electric devices influencing the characteristics of the motor or controlling the motor, e.g. with impedances or switches

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Magnetic Treatment Devices (AREA)
  • Protection Of Generators And Motors (AREA)
BE721142D 1967-10-05 1968-09-20 BE721142A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19671588376 DE1588376C3 (de) 1967-10-05 1967-10-05 Anordnung zum Überwachen der Drehzahl eines Elektromotors

Publications (1)

Publication Number Publication Date
BE721142A true BE721142A (xx) 1969-03-03

Family

ID=5679900

Family Applications (1)

Application Number Title Priority Date Filing Date
BE721142D BE721142A (xx) 1967-10-05 1968-09-20

Country Status (5)

Country Link
US (1) US3553557A (xx)
BE (1) BE721142A (xx)
FR (1) FR95606E (xx)
GB (1) GB1207880A (xx)
SE (1) SE338801B (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1948906A1 (de) * 1969-09-27 1971-04-15 Papst Motoren Kg Schutzgenerator
US4114078A (en) * 1977-01-24 1978-09-12 Malinski Richard F Mechanical torque limit for valve actuator
US10122301B2 (en) * 2015-08-19 2018-11-06 Lawrence Livermore National Security, Llc Pulsed start-up system for electrostatic generators

Also Published As

Publication number Publication date
DE1588376B2 (de) 1976-01-15
FR95606E (fr) 1971-03-26
DE1588376A1 (de) 1970-09-24
US3553557A (en) 1971-01-05
SE338801B (xx) 1971-09-20
GB1207880A (en) 1970-10-07

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: WILKE RICHARD

Effective date: 19850930

Owner name: KORTHAUS HELMUT

Effective date: 19850930