FR721447A - Exhaust shutter for switches - Google Patents

Exhaust shutter for switches

Info

Publication number
FR721447A
FR721447A FR721447DA FR721447A FR 721447 A FR721447 A FR 721447A FR 721447D A FR721447D A FR 721447DA FR 721447 A FR721447 A FR 721447A
Authority
FR
France
Prior art keywords
switches
exhaust shutter
shutter
exhaust
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.)
Ateliers de Constructions Electriques de Delle SA
Original Assignee
Ateliers de Constructions Electriques de Delle 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
Application filed by Ateliers de Constructions Electriques de Delle SA filed Critical Ateliers de Constructions Electriques de Delle SA
Application granted granted Critical
Publication of FR721447A publication Critical patent/FR721447A/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
    • H01H33/53—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
FR721447D 1930-06-20 1931-06-18 Exhaust shutter for switches Expired FR721447A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE596668T 1930-06-20

Publications (1)

Publication Number Publication Date
FR721447A true FR721447A (en) 1932-03-03

Family

ID=6629681

Family Applications (1)

Application Number Title Priority Date Filing Date
FR721447D Expired FR721447A (en) 1930-06-20 1931-06-18 Exhaust shutter for switches

Country Status (2)

Country Link
DE (1) DE596668C (en)
FR (1) FR721447A (en)

Also Published As

Publication number Publication date
DE596668C (en) 1934-05-08

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