FR27558E - Perfectionnements aux interrupteurs électriques - Google Patents

Perfectionnements aux interrupteurs électriques

Info

Publication number
FR27558E
FR27558E FR27558DA FR27558E FR 27558 E FR27558 E FR 27558E FR 27558D A FR27558D A FR 27558DA FR 27558 E FR27558 E FR 27558E
Authority
FR
France
Prior art keywords
electrical switches
switches
electrical
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 US443440A external-priority patent/US1537353A/en
Priority claimed from US546880A external-priority patent/US1620155A/en
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR27558E publication Critical patent/FR27558E/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
    • H01H33/02—Details
    • H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
    • H01H33/57—Recuperation of liquid or gas
    • 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
    • H01H33/98—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being initiated by an auxiliary arc or a section of the arc, without any moving parts for producing or increasing the flow
FR27558D 1921-02-08 1923-03-22 Perfectionnements aux interrupteurs électriques Expired FR27558E (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US443440A US1537353A (en) 1921-02-08 1921-02-08 Electric switch
US546880A US1620155A (en) 1922-03-25 1922-03-25 Attachment for oil switches

Publications (1)

Publication Number Publication Date
FR27558E true FR27558E (fr) 1924-07-31

Family

ID=31950824

Family Applications (1)

Application Number Title Priority Date Filing Date
FR27558D Expired FR27558E (fr) 1921-02-08 1923-03-22 Perfectionnements aux interrupteurs électriques

Country Status (1)

Country Link
FR (1) FR27558E (fr)

Similar Documents

Publication Publication Date Title
FR574406A (fr) Perfectionnements aux interrupteurs électriques
FR560298A (fr) Perfectionnements apportés aux interrupteurs électriques
FR555572A (fr) Perfectionnements apportés aux interrupteurs
FR572211A (fr) Perfectionnements aux interrupteurs électriques
FR560509A (fr) Perfectionnements aux interrupteurs électriques
FR572619A (fr) Perfectionnements aux interrupteurs électriques
FR540773A (fr) Perfectionnements aux interrupteurs électriques
FR547606A (fr) Perfectionnements aux interrupteurs électriques
FR574190A (fr) Perfectionnements aux interrupteurs électriques
FR575381A (fr) Perfectionnements aux interrupteurs électriques
FR564635A (fr) Perfectionnements aux interrupteurs électriques
FR567014A (fr) Perfectionnements aux interrupteurs électriques
FR573314A (fr) Perfectionnements aux interrupteurs électriques
FR26722E (fr) Perfectionnements aux interrupteurs électriques
FR554970A (fr) Perfectionnements aux interrupteurs électriques
FR549394A (fr) Perfectionnements aux commutateurs électriques
FR541026A (fr) Perfectionnements aux interrupteurs électriques
FR25330E (fr) Perfectionnements apportés aux interrupteurs électriques
FR545856A (fr) Perfectionnements aux interrupteurs électriques
FR536178A (fr) Perfectionnements aux commutateurs électriques
FR27558E (fr) Perfectionnements aux interrupteurs électriques
FR554599A (fr) Perfectionnements apportés aux interrupteurs électriques
FR522818A (fr) Perfectionnements aux interrupteurs électriques
FR511041A (fr) Perfectionnements aux commutateurs électriques
FR538849A (fr) Perfectionnements aux interrupteurs électriques