FR750505A - - Google Patents
Info
- Publication number
- FR750505A FR750505A FR750505DA FR750505A FR 750505 A FR750505 A FR 750505A FR 750505D A FR750505D A FR 750505DA FR 750505 A FR750505 A FR 750505A
- 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
- 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
- H01H9/36—Metal 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
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
-
- 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
- H01H9/36—Metal parts
- H01H2009/367—Metal parts defining a recurrent path, e.g. the subdivided arc is moved in a closed path between each pair of splitter plates
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US510981A US2037418A (en) | 1931-01-24 | 1931-01-24 | Circuit breaker |
US511010A US1927888A (en) | 1931-01-24 | 1931-01-24 | Circuit breaker |
US511184A US1927904A (en) | 1931-01-24 | 1931-01-26 | Circuit breaker |
US593273A US1896779A (en) | 1931-01-24 | 1932-02-16 | Circuit interrupter |
US69325A US2100743A (en) | 1931-01-24 | 1936-03-17 | Circuit breaker |
Publications (1)
Publication Number | Publication Date |
---|---|
FR750505A true FR750505A (en) | 1933-08-10 |
Family
ID=32034459
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR730297D Expired FR730297A (en) | 1931-01-24 | 1932-01-22 | Improvements to switches incorporating arc extinguishing devices |
FR750505D Expired FR750505A (en) | 1931-01-24 | 1933-02-09 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR730297D Expired FR730297A (en) | 1931-01-24 | 1932-01-22 | Improvements to switches incorporating arc extinguishing devices |
Country Status (4)
Country | Link |
---|---|
US (5) | US1927888A (en) |
DE (2) | DE591597C (en) |
FR (2) | FR730297A (en) |
GB (4) | GB388519A (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE483190A (en) * | 1939-03-22 | |||
US2293513A (en) * | 1939-10-11 | 1942-08-18 | Gen Electric | Electric air circuit breaker |
US2460727A (en) * | 1945-10-08 | 1949-02-01 | Gen Electric | Arc extinguishing device |
FR480612A (en) * | 1948-02-11 | 1916-08-31 | Edwin Ross Arnold | Plate guard |
BE498021A (en) * | 1949-10-13 | Merlin Gerin | ||
US2632826A (en) * | 1949-12-10 | 1953-03-24 | Gen Electric | Arc quenching circuit interrupter |
US2708698A (en) * | 1951-12-04 | 1955-05-17 | Allis Chalmers Mfg Co | Arc chute with barrier plates having arc constricting means |
US2933574A (en) * | 1954-04-26 | 1960-04-19 | Westinghouse Electric Corp | Circuit interrupters |
US2795675A (en) * | 1954-12-08 | 1957-06-11 | Westinghouse Electric Corp | Circuit interrupter |
DE1031866B (en) * | 1956-10-20 | 1958-06-12 | Voigt & Haeffner Ag | Arc extinguishing device for electrical switches |
US2942083A (en) * | 1956-12-24 | 1960-06-21 | Westinghouse Electric Corp | Circuit interrupters |
CH360109A (en) * | 1958-07-22 | 1962-02-15 | Oerlikon Maschf | Arc chimney on an air switch |
FR1224133A (en) * | 1959-01-20 | 1960-06-22 | Merlin Gerin | Improvements to arc extinguishing devices |
DE1276165B (en) * | 1961-02-20 | 1968-08-29 | Licentia Gmbh | Arc extinguishing chamber for electrical switchgear |
DE1261218B (en) * | 1964-04-14 | 1968-02-15 | Licentia Gmbh | Circuit breaker for direct or alternating current |
US4764184A (en) * | 1986-01-10 | 1988-08-16 | Sasol Operations (Proprietary) Limited | Apparatus for the gasification of coal |
CN101787867B (en) * | 2010-01-28 | 2012-09-26 | 吉林大学 | Drilling mud forced cooling and circulating system |
-
1931
- 1931-01-24 US US511010A patent/US1927888A/en not_active Expired - Lifetime
- 1931-01-24 US US510981A patent/US2037418A/en not_active Expired - Lifetime
- 1931-01-26 US US511184A patent/US1927904A/en not_active Expired - Lifetime
- 1931-12-18 GB GB35110/31A patent/GB388519A/en not_active Expired
-
1932
- 1932-01-08 GB GB601/32A patent/GB388175A/en not_active Expired
- 1932-01-21 DE DES102876D patent/DE591597C/en not_active Expired
- 1932-01-22 FR FR730297D patent/FR730297A/en not_active Expired
- 1932-01-25 GB GB2235/32A patent/GB394740A/en not_active Expired
- 1932-02-16 US US593273A patent/US1896779A/en not_active Expired - Lifetime
-
1933
- 1933-01-31 GB GB3035/33A patent/GB399695A/en not_active Expired
- 1933-02-03 DE DES108157D patent/DE592684C/en not_active Expired
- 1933-02-09 FR FR750505D patent/FR750505A/fr not_active Expired
-
1936
- 1936-03-17 US US69325A patent/US2100743A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US1896779A (en) | 1933-02-07 |
GB394740A (en) | 1933-07-06 |
DE592684C (en) | 1934-02-15 |
US1927888A (en) | 1933-09-26 |
US1927904A (en) | 1933-09-26 |
GB388519A (en) | 1933-03-02 |
US2100743A (en) | 1937-11-30 |
FR730297A (en) | 1932-08-10 |
DE591597C (en) | 1934-01-25 |
US2037418A (en) | 1936-04-14 |
GB388175A (en) | 1933-02-23 |
GB399695A (en) | 1933-10-12 |