BR8200579A - Aperfeicoamento em interruptor de circuito - Google Patents

Aperfeicoamento em interruptor de circuito

Info

Publication number
BR8200579A
BR8200579A BR8200579A BR8200579A BR8200579A BR 8200579 A BR8200579 A BR 8200579A BR 8200579 A BR8200579 A BR 8200579A BR 8200579 A BR8200579 A BR 8200579A BR 8200579 A BR8200579 A BR 8200579A
Authority
BR
Brazil
Prior art keywords
improvement
circuit switch
switch
circuit
Prior art date
Application number
BR8200579A
Other languages
English (en)
Portuguese (pt)
Inventor
Kondoh Hisashi
Yamazaki Shozo
Yamada Yukio
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of BR8200579A publication Critical patent/BR8200579A/pt

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
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/64—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid wherein the break is in gas
    • H01H33/65—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid wherein the break is in gas wherein the break is in air at atmospheric pressure, e.g. in open air
BR8200579A 1981-02-16 1982-02-03 Aperfeicoamento em interruptor de circuito BR8200579A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56020066A JPS57134822A (en) 1981-02-16 1981-02-16 Breaker

Publications (1)

Publication Number Publication Date
BR8200579A true BR8200579A (pt) 1982-12-07

Family

ID=12016712

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8200579A BR8200579A (pt) 1981-02-16 1982-02-03 Aperfeicoamento em interruptor de circuito

Country Status (3)

Country Link
JP (1) JPS57134822A (enrdf_load_stackoverflow)
KR (1) KR880002495B1 (enrdf_load_stackoverflow)
BR (1) BR8200579A (enrdf_load_stackoverflow)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5130602U (enrdf_load_stackoverflow) * 1974-08-27 1976-03-05
JPS5444196U (enrdf_load_stackoverflow) * 1977-08-31 1979-03-27

Also Published As

Publication number Publication date
JPS57134822A (en) 1982-08-20
JPH0217894B2 (enrdf_load_stackoverflow) 1990-04-23
KR830009611A (ko) 1983-12-22
KR880002495B1 (ko) 1988-11-19

Similar Documents

Publication Publication Date Title
BR8102309A (pt) Aparelho interruptor de circuito
BR8102307A (pt) Aparelho interruptor de circuito
BR8102311A (pt) Aparelho interruptor de circuito
AR232057A1 (es) Interruptor de circuito
BR8703380A (pt) Interruptor de circuito
BR8803290A (pt) Interruptor de circuito
BR8800685A (pt) Aparelho interruptor de circuito
BR8603909A (pt) Interruptor de circuito
BR8603741A (pt) Interruptor de circuito
BR8800686A (pt) Aparelho interruptor de circuito
BR8604091A (pt) Interruptor de circuito
BR8800687A (pt) Aparelho interruptor de circuito
BR8705166A (pt) Interruptor de circuito
BR8800688A (pt) Aparelho interruptor de circuito
BR8606606A (pt) Interruptor de circuito
MX151574A (es) Mejoras en interruptor de circuito electrico
BR8102499A (pt) Disjuntor de circuito
BR8701150A (pt) Interruptor de circuito
BR8100223A (pt) Interruptor de circuito
BR8604092A (pt) Interruptor de circuito
MX145611A (es) Mejoras en interruptor de circuito
BR8102308A (pt) Aparelho interruptor de circuito
MX152282A (es) Mejoras en interruptor electrico deslizable
MX151605A (es) Mejoras en interruptor de circuito electrico
BR8103787A (pt) Circuito interuptor

Legal Events

Date Code Title Description
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 03/02/97