FR2181752B1 - - Google Patents
Info
- Publication number
- FR2181752B1 FR2181752B1 FR7306051A FR7306051A FR2181752B1 FR 2181752 B1 FR2181752 B1 FR 2181752B1 FR 7306051 A FR7306051 A FR 7306051A FR 7306051 A FR7306051 A FR 7306051A FR 2181752 B1 FR2181752 B1 FR 2181752B1
- Authority
- FR
- France
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/025—Constructional details of housings or casings not concerning the mounting or assembly of the different internal parts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
- H01H9/342—Venting arrangements for arc chutes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
- H01H9/342—Venting arrangements for arc chutes
- H01H2009/343—Venting arrangements for arc chutes with variable venting aperture function of arc chute internal pressure, e.g. resilient flap-valve or check-valve
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US24840672A | 1972-04-28 | 1972-04-28 | |
GB4694873A GB1450723A (en) | 1972-04-28 | 1973-10-08 | Electrical circuit breaker |
GB1889576A GB1450724A (en) | 1972-04-28 | 1973-10-08 | Electrical circuit breaker |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2181752A1 FR2181752A1 (en) | 1973-12-07 |
FR2181752B1 true FR2181752B1 (en) | 1977-07-22 |
Family
ID=27257673
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7306051A Expired FR2181752B1 (en) | 1972-04-28 | 1973-02-21 |
Country Status (3)
Country | Link |
---|---|
JP (2) | JPS4941862A (en) |
FR (1) | FR2181752B1 (en) |
GB (1) | GB1450724A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2813431A1 (en) * | 1978-03-29 | 1979-10-04 | Bbc Brown Boveri & Cie | ELECTRICAL INSTALLATION SWITCH |
FR2508230A1 (en) * | 1981-06-23 | 1982-12-24 | Merlin Gerin | LV circuit breaker arc extinction chamber - uses porous screen of fine refractory insulating material to filter gas leaving arcing chamber |
US4631376A (en) * | 1984-09-28 | 1986-12-23 | Westinghouse Electric Corp. | Molded case circuit breaker with an improved arc gas external venting system |
DE102004059407B4 (en) * | 2004-12-09 | 2007-02-08 | Ge Power Controls Gmbh & Co. Kg | Switch shaft unit for a switch |
DE102014006957A1 (en) * | 2014-05-12 | 2015-11-12 | Tyco Electronics Austria Gmbh | Switching element for use in a potentially explosive area |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS402562Y1 (en) * | 1964-06-02 | 1965-01-25 | ||
JPS455082Y1 (en) * | 1965-12-27 | 1970-03-10 | ||
JPS4430033Y1 (en) * | 1966-12-19 | 1969-12-11 |
-
1973
- 1973-02-21 FR FR7306051A patent/FR2181752B1/fr not_active Expired
- 1973-04-26 JP JP48046817A patent/JPS4941862A/ja active Pending
- 1973-06-28 JP JP48073216A patent/JPS4949166A/ja active Pending
- 1973-10-08 GB GB1889576A patent/GB1450724A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS4949166A (en) | 1974-05-13 |
JPS4941862A (en) | 1974-04-19 |
GB1450724A (en) | 1976-09-29 |
FR2181752A1 (en) | 1973-12-07 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |