FR51436E - Method and device for cutting and regulating electric currents - Google Patents

Method and device for cutting and regulating electric currents

Info

Publication number
FR51436E
FR51436E FR51436DA FR51436E FR 51436 E FR51436 E FR 51436E FR 51436D A FR51436D A FR 51436DA FR 51436 E FR51436 E FR 51436E
Authority
FR
France
Prior art keywords
cutting
electric currents
regulating electric
regulating
currents
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
Other languages
French (fr)
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.)
Hermes Patentverwertungs GmbH
Original Assignee
Hermes Patentverwertungs GmbH
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 Hermes Patentverwertungs GmbH filed Critical Hermes Patentverwertungs GmbH
Application granted granted Critical
Publication of FR51436E publication Critical patent/FR51436E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/16—Impedances connected with contacts
    • H01H33/161—Variable impedances
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/16—Impedances connected with contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/44—Devices for ensuring operation of the switch at a predetermined point in the ac cycle
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/16—Impedances connected with contacts
    • H01H33/161—Variable impedances
    • H01H2033/163—Variable impedances using PTC elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR51436D 1937-12-31 1941-03-05 Method and device for cutting and regulating electric currents Expired FR51436E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE236475X 1937-12-31

Publications (1)

Publication Number Publication Date
FR51436E true FR51436E (en) 1942-06-24

Family

ID=5902061

Family Applications (2)

Application Number Title Priority Date Filing Date
FR862283D Expired FR862283A (en) 1937-12-31 1938-12-31 Method and device for cutting and regulating electric currents
FR51436D Expired FR51436E (en) 1937-12-31 1941-03-05 Method and device for cutting and regulating electric currents

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR862283D Expired FR862283A (en) 1937-12-31 1938-12-31 Method and device for cutting and regulating electric currents

Country Status (4)

Country Link
BE (1) BE431914A (en)
CH (1) CH236475A (en)
DK (1) DK63640C (en)
FR (2) FR862283A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3019368A (en) * 1956-03-29 1962-01-30 Osborne William Lionel Voltage regulator

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE740818C (en) * 1942-02-27 1943-10-28 Ing Karl Kesl Resistance switch, especially for low frequency alternating current
DE969067C (en) * 1943-02-18 1958-04-30 Aeg Electric circuit breaker
NL178125C (en) * 1952-05-07 Maggi Ag METHOD FOR PREPARING AN AROMA DUST.
DE1023109B (en) * 1955-11-23 1958-01-23 Siemens Ag Resistor for electrical switch
DE1109240B (en) * 1957-03-29 1961-06-22 Siemens Ag Switching device for switching off DC and AC circuits, in which resistance is switched into the circuit by means of moving current collectors

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3019368A (en) * 1956-03-29 1962-01-30 Osborne William Lionel Voltage regulator

Also Published As

Publication number Publication date
DK63640C (en) 1945-06-25
CH236475A (en) 1945-02-15
FR862283A (en) 1941-03-10
BE431914A (en) 1939-01-31

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