NL72111C - - Google Patents
Info
- Publication number
- NL72111C NL72111C NL72111DA NL72111C NL 72111 C NL72111 C NL 72111C NL 72111D A NL72111D A NL 72111DA NL 72111 C NL72111 C NL 72111C
- Authority
- NL
- Netherlands
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
- H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
- H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
- H01H33/904—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism characterised by the transmission between operating mechanism and piston or movable contact
-
- 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
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/16—Impedances connected with contacts
- H01H33/167—Impedances connected with contacts the impedance being inserted only while opening the switch
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR850315X | 1946-05-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL72111C true NL72111C (it) |
Family
ID=9316835
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL72111D NL72111C (it) | 1946-05-21 |
Country Status (5)
Country | Link |
---|---|
US (1) | US2551772A (it) |
BE (1) | BE473294A (it) |
DE (1) | DE850315C (it) |
FR (2) | FR928563A (it) |
NL (1) | NL72111C (it) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2604562A (en) * | 1949-01-29 | 1952-07-22 | Gen Electric | Electric circuit interrupter |
US2678983A (en) * | 1950-05-16 | 1954-05-18 | Westinghouse Electric Corp | Compressed gas circuit interrupter |
US2739207A (en) * | 1951-09-28 | 1956-03-20 | Westinghouse Electric Corp | Circuit interrupters |
GB710925A (en) * | 1951-10-26 | 1954-06-23 | Westinghouse Electric Int Co | Improvements in or relating to electric circuit interrupter devices |
US2682591A (en) * | 1952-05-24 | 1954-06-29 | Porter Co Inc H K | Interrupter shield |
US2788418A (en) * | 1954-03-22 | 1957-04-09 | Gertrude M Idzkowski | Circuit interrupter |
DE1026397B (de) * | 1955-03-14 | 1958-03-20 | Asea Ab | OElschalter mit zwei Loeschkammern |
US2964602A (en) * | 1956-04-02 | 1960-12-13 | Joe Davidson | Snap acting mechanism |
US2933575A (en) * | 1956-10-22 | 1960-04-19 | Westinghouse Electric Corp | Circuit interrupters |
BE564098A (it) * | 1957-01-22 | |||
CH380212A (de) * | 1960-03-16 | 1964-07-31 | Oerlikon Maschf | Löscheinrichtung für Leistungsschalter mit feststehenden und bewegten Kontakten |
NL34485C (it) * | 1967-01-09 | |||
DE2140284A1 (de) * | 1971-08-06 | 1973-02-15 | Siemens Ag | Elektrischer druckgasschalter |
DE2733551A1 (de) * | 1977-07-25 | 1979-02-08 | Siemens Ag | Druckgasschalter |
FR2444333A1 (fr) * | 1978-12-11 | 1980-07-11 | Merlin Gerin | Interrupteur a autosoufflage a mise en depression de la chambre de coupure |
CH656976A5 (de) * | 1981-06-30 | 1986-07-31 | Bbc Brown Boveri & Cie | Kompressionskolbenschalter. |
ATE161356T1 (de) * | 1991-05-24 | 1998-01-15 | Giampietro Tosi | Schwefelhexafluoridisolierter mittelspannungsschalter mit drei positionen |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US525332A (en) * | 1894-04-14 | 1894-09-04 | Electric switch | |
US1563833A (en) * | 1919-12-05 | 1925-12-01 | Electrical Engineer S Equipmen | High-tension air-break switch |
DE619806C (de) * | 1934-03-09 | 1935-10-10 | Delle Atel Const Electr | Elektrischer Schalter mit Lichtbogenloeschung durch Druckluft |
US2279024A (en) * | 1939-01-20 | 1942-04-07 | Gen Electric | Electric circuit interrupter |
US2286131A (en) * | 1939-09-20 | 1942-06-09 | Westinghouse Electric & Mfg Co | Disconnecting switch |
US2264862A (en) * | 1940-01-10 | 1941-12-02 | Gen Electric | Electric switch |
BE447706A (it) * | 1942-07-30 |
-
0
- NL NL72111D patent/NL72111C/xx active
- BE BE473294D patent/BE473294A/xx unknown
-
1946
- 1946-05-21 FR FR928563D patent/FR928563A/fr not_active Expired
-
1947
- 1947-05-05 FR FR56787D patent/FR56787E/fr not_active Expired
- 1947-07-21 US US762369A patent/US2551772A/en not_active Expired - Lifetime
-
1950
- 1950-09-29 DE DEF4096A patent/DE850315C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE850315C (de) | 1952-09-22 |
FR928563A (fr) | 1947-12-02 |
US2551772A (en) | 1951-05-08 |
BE473294A (it) | |
FR56787E (fr) | 1952-10-06 |