JPS4941860A - - Google Patents
Info
- Publication number
- JPS4941860A JPS4941860A JP48048635A JP4863573A JPS4941860A JP S4941860 A JPS4941860 A JP S4941860A JP 48048635 A JP48048635 A JP 48048635A JP 4863573 A JP4863573 A JP 4863573A JP S4941860 A JPS4941860 A JP S4941860A
- Authority
- JP
- Japan
- 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.)
- Pending
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
- H01H33/66—Vacuum switches
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
- H01H33/6642—Contacts; Arc-extinguishing means, e.g. arcing rings having cup-shaped contacts, the cylindrical wall of which being provided with inclined slits to form a coil
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00249990A US3836740A (en) | 1972-05-03 | 1972-05-03 | Vacuum type circuit interrupter having improved contacts |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4941860A true JPS4941860A (en) | 1974-04-19 |
Family
ID=22945851
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP48048635A Pending JPS4941860A (en) | 1972-05-03 | 1973-05-02 | |
JP1981125303U Pending JPS5778538U (en) | 1972-05-03 | 1981-08-26 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1981125303U Pending JPS5778538U (en) | 1972-05-03 | 1981-08-26 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3836740A (en) |
JP (2) | JPS4941860A (en) |
CA (1) | CA979958A (en) |
CH (1) | CH567794A5 (en) |
DE (1) | DE2321753A1 (en) |
GB (1) | GB1423581A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5491773A (en) * | 1977-12-28 | 1979-07-20 | Meidensha Electric Mfg Co Ltd | Electrode for vacuum breaker |
JPS55161166A (en) * | 1979-05-31 | 1980-12-15 | Hideo Kurashima | Building |
JPH02210161A (en) * | 1989-02-08 | 1990-08-21 | Kajima Corp | Structure of windowless room |
US6857245B2 (en) | 2000-06-07 | 2005-02-22 | Choi Young-Jun | Building structure |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2352540C3 (en) * | 1973-10-18 | 1979-09-06 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Vacuum switching vessel with central contact surfaces and arc contact surfaces |
GB1528777A (en) * | 1975-01-10 | 1978-10-18 | Westinghouse Electric Corp | Cup-shaped contacts for vacuum interrupters having a continuous annular contact surface |
CH596686A5 (en) * | 1976-09-23 | 1978-03-15 | Sprecher & Schuh Ag | |
US4386249A (en) * | 1980-11-25 | 1983-05-31 | Westinghouse Electric Corp. | Vacuum circuit interrupter with auxiliary contact for plural arc path device with arc rotating means associated with the primary and auxiliary contacts |
DE3422949A1 (en) * | 1984-06-19 | 1985-12-19 | Siemens AG, 1000 Berlin und 8000 München | VACUUM SWITCH TUBES WITH A COIL TO GENERATE A MAGNETIC FIELD |
JPS61126720A (en) * | 1984-11-22 | 1986-06-14 | 株式会社日立製作所 | Vacuum breaker |
DE3644453A1 (en) * | 1986-12-24 | 1988-07-07 | Licentia Gmbh | SWITCHING PIECE FOR CIRCUIT BREAKER |
US4797522A (en) * | 1988-02-11 | 1989-01-10 | Westinghouse Electric Corp. | Vacuum-type circuit interrupter |
US5777287A (en) * | 1996-12-19 | 1998-07-07 | Eaton Corporation | Axial magnetic field coil for vacuum interrupter |
DE19934909C1 (en) | 1999-07-21 | 2001-06-13 | Siemens Ag | Contact arrangement for a vacuum interrupter |
US8653396B2 (en) | 2011-09-28 | 2014-02-18 | Eaton Corporation | Vacuum switch and hybrid switch assembly therefor |
US9552941B1 (en) | 2015-08-24 | 2017-01-24 | Eaton Corporation | Vacuum switching apparatus and electrical contact therefor |
EP3144946A1 (en) * | 2015-09-18 | 2017-03-22 | ABB Schweiz AG | Low voltage electrical contact system with enhanced arc blow effect |
US9922777B1 (en) | 2016-11-21 | 2018-03-20 | Eaton Corporation | Vacuum switching apparatus and electrical contact therefor |
US10410813B1 (en) | 2018-04-03 | 2019-09-10 | Eaton Intelligent Power Limited | Vacuum switching apparatus and electrical contact therefor |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1098862A (en) * | 1963-10-09 | 1968-01-10 | Ass Elect Ind | Improvements relating to vacuum switch contact assemblies |
GB1113837A (en) * | 1966-04-25 | 1968-05-15 | Ass Elect Ind | Improvements relating to vacuum switch contacts |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3089936A (en) * | 1960-02-23 | 1963-05-14 | Gen Electric | Contact structure for an electric circuit interrupter |
FR1410884A (en) * | 1963-10-09 | 1965-09-10 | Ass Elect Ind | Improvements to contacts for vacuum interrupters |
GB1090872A (en) * | 1964-02-11 | 1967-11-15 | Ass Elect Ind | Improvements relating to vacuum switches |
US3366762A (en) * | 1965-04-16 | 1968-01-30 | Gen Electric | Arc controlling electrodes for switches and gaps |
GB1095638A (en) * | 1965-12-16 | 1967-12-20 | Ass Elect Ind | Improvements in or relating to vacuum switch contacts |
US3546406A (en) * | 1966-11-21 | 1970-12-08 | Westinghouse Electric Corp | Vacuum-type circuit interrupter with hollow contacts |
US3622724A (en) * | 1970-02-24 | 1971-11-23 | Gen Electric | Vacuum-type circuit interrupter having contacts with improved arc-revolving means |
-
1972
- 1972-05-03 US US00249990A patent/US3836740A/en not_active Expired - Lifetime
-
1973
- 1973-04-16 GB GB1822873A patent/GB1423581A/en not_active Expired
- 1973-04-30 DE DE2321753A patent/DE2321753A1/en not_active Ceased
- 1973-05-02 JP JP48048635A patent/JPS4941860A/ja active Pending
- 1973-05-03 CH CH631973A patent/CH567794A5/xx not_active IP Right Cessation
- 1973-05-03 CA CA170,336A patent/CA979958A/en not_active Expired
-
1981
- 1981-08-26 JP JP1981125303U patent/JPS5778538U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1098862A (en) * | 1963-10-09 | 1968-01-10 | Ass Elect Ind | Improvements relating to vacuum switch contact assemblies |
GB1113837A (en) * | 1966-04-25 | 1968-05-15 | Ass Elect Ind | Improvements relating to vacuum switch contacts |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5491773A (en) * | 1977-12-28 | 1979-07-20 | Meidensha Electric Mfg Co Ltd | Electrode for vacuum breaker |
JPS5816731B2 (en) * | 1977-12-28 | 1983-04-01 | 株式会社明電舎 | Vacuum shield electrode |
JPS55161166A (en) * | 1979-05-31 | 1980-12-15 | Hideo Kurashima | Building |
JPH02210161A (en) * | 1989-02-08 | 1990-08-21 | Kajima Corp | Structure of windowless room |
US6857245B2 (en) | 2000-06-07 | 2005-02-22 | Choi Young-Jun | Building structure |
Also Published As
Publication number | Publication date |
---|---|
DE2321753A1 (en) | 1973-11-15 |
JPS5778538U (en) | 1982-05-14 |
US3836740A (en) | 1974-09-17 |
CA979958A (en) | 1975-12-16 |
GB1423581A (en) | 1976-02-04 |
CH567794A5 (en) | 1975-10-15 |