FR726569A - Perfectionnement aux interrupteurs - Google Patents

Perfectionnement aux interrupteurs

Info

Publication number
FR726569A
FR726569A FR726569DA FR726569A FR 726569 A FR726569 A FR 726569A FR 726569D A FR726569D A FR 726569DA FR 726569 A FR726569 A FR 726569A
Authority
FR
France
Prior art keywords
switch training
training
switch
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
English (en)
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
Westinghouse Electric and Manufacturing 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 Westinghouse Electric Corp, Westinghouse Electric and Manufacturing Co filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of FR726569A publication Critical patent/FR726569A/fr
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
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/72—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid having stationary parts for directing the flow of arc-extinguishing fluid, e.g. arc-extinguishing chamber
    • H01H33/75—Liquid-break switches, e.g. oil-break
    • 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
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/76—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid wherein arc-extinguishing gas is evolved from stationary parts; Selection of material therefor
FR726569D 1930-11-26 1931-11-20 Perfectionnement aux interrupteurs Expired FR726569A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US498386A US1991884A (en) 1930-11-26 1930-11-26 Circuit breaker
US678248A US1981709A (en) 1930-11-26 1933-06-29 Circuit breaker

Publications (1)

Publication Number Publication Date
FR726569A true FR726569A (fr) 1932-05-31

Family

ID=27052821

Family Applications (1)

Application Number Title Priority Date Filing Date
FR726569D Expired FR726569A (fr) 1930-11-26 1931-11-20 Perfectionnement aux interrupteurs

Country Status (4)

Country Link
US (2) US1991884A (fr)
DE (1) DE598959C (fr)
FR (1) FR726569A (fr)
GB (1) GB390879A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2467542A (en) * 1945-06-02 1949-04-19 Allis Chalmers Mfg Co Arc extinguishing device
BE470474A (fr) * 1946-01-21
CN108390007B (zh) * 2018-04-24 2024-07-19 苏州聚天合科技有限公司 一种用于新能源电池电流自动切断的断电装置

Also Published As

Publication number Publication date
US1991884A (en) 1935-02-19
DE598959C (de) 1934-06-22
US1981709A (en) 1934-11-20
GB390879A (en) 1933-04-20

Similar Documents

Publication Publication Date Title
FR709845A (fr) Perfectionnements aux interrupteurs
FR728028A (fr) Perfectionnement aux interrupteurs
FR714620A (fr) Perfectionnements aux malaxeurs
FR696049A (fr) Perfectionnement aux sièges
FR704577A (fr) Perfectionnements aux antennes
FR693135A (fr) Perfectionnements aux pulvérisateurs
FR697594A (fr) Perfectionnement aux parapluies
FR697339A (fr) Pilotis
FR716710A (fr) Perfectionnements apportés aux niveaux
FR691107A (fr) Perfectionnement aux agraîes
FR717284A (fr) Perfectionnements aux interrupteurs
FR720659A (fr) Perfectionnements aux commutateurs
FR40961E (fr) Perfectionnement aux parapluies
FR43840E (fr) Perfectionnement aux parapluies
FR40521E (fr) Perfectionnement aux parapluies
FR40648E (fr) Perfectionnement aux parapluies
FR39449E (fr) Perfectionnement aux sièges
FR704853A (fr) Perfectionnement aux centrifugeuses
FR728152A (fr) Perfectionnements aux hélicoptères
FR707104A (fr) Perfectionnement aux chaluts
FR714385A (fr) Perfectionnements aux chaluts
FR693427A (fr) Interrupteur économique
FR704477A (fr) Commutateur
FR695703A (fr) Commutateur
FR39064E (fr) Perfectionnements aux crêmones