JPS5042378A - - Google Patents
Info
- Publication number
- JPS5042378A JPS5042378A JP48092507A JP9250773A JPS5042378A JP S5042378 A JPS5042378 A JP S5042378A JP 48092507 A JP48092507 A JP 48092507A JP 9250773 A JP9250773 A JP 9250773A JP S5042378 A JPS5042378 A JP S5042378A
- 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
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
- H01H3/3031—Means for locking the spring in a charged state
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
- H01H3/3005—Charging means
- H01H3/301—Charging means using a fluid actuator
-
- 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
- H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
- H01H33/30—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator
- H01H33/32—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator pneumatic
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/11—Tripping mechanism
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP48092507A JPS5042378A (ja) | 1973-08-20 | 1973-08-20 | |
US05/497,495 US3943777A (en) | 1973-08-20 | 1974-08-14 | Operating apparatus for circuit breaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP48092507A JPS5042378A (ja) | 1973-08-20 | 1973-08-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5042378A true JPS5042378A (ja) | 1975-04-17 |
Family
ID=14056211
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP48092507A Pending JPS5042378A (ja) | 1973-08-20 | 1973-08-20 |
Country Status (2)
Country | Link |
---|---|
US (1) | US3943777A (ja) |
JP (1) | JPS5042378A (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53121169A (en) * | 1977-03-31 | 1978-10-23 | Hitachi Ltd | Breaker and method of inspecting same |
JPS56118224A (en) * | 1980-02-20 | 1981-09-17 | Hitachi Ltd | Singleephase reclosing type 33phase simultaneous gas breaker |
US4463229A (en) * | 1981-11-13 | 1984-07-31 | Westinghouse Electric Corp. | Pneumatic operating mechanism for a circuit breaker |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2342816A (en) * | 1942-05-15 | 1944-02-29 | Westinghouse Electric & Mfg Co | Latching mechanism |
US2660635A (en) * | 1948-12-08 | 1953-11-24 | Ite Circuit Breaker Ltd | Air operated circuit breaker |
US2736295A (en) * | 1953-01-23 | 1956-02-28 | Allis Chalmers Mfg Co | Circuit breaker with fluid motor having fluid admission varied during stroke |
US3334202A (en) * | 1966-02-11 | 1967-08-01 | Gen Electric | Manually-controlled circuit breaker tripping arrangement |
US3492922A (en) * | 1967-11-16 | 1970-02-03 | Westinghouse Electric Corp | Hydraulically operated circuit breaker with tandem piston construction |
-
1973
- 1973-08-20 JP JP48092507A patent/JPS5042378A/ja active Pending
-
1974
- 1974-08-14 US US05/497,495 patent/US3943777A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US3943777A (en) | 1976-03-16 |