CA970807A - Two-pressure circuit breaker with contact cooling by the direct expansion of high-pressure dielectric gas - Google Patents
Two-pressure circuit breaker with contact cooling by the direct expansion of high-pressure dielectric gasInfo
- Publication number
- CA970807A CA970807A CA158,782A CA158782A CA970807A CA 970807 A CA970807 A CA 970807A CA 158782 A CA158782 A CA 158782A CA 970807 A CA970807 A CA 970807A
- Authority
- CA
- Canada
- Prior art keywords
- pressure
- circuit breaker
- direct expansion
- contact cooling
- dielectric gas
- Prior art date
- 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
- H01H1/00—Contacts
- H01H1/62—Heating or cooling of contacts
-
- 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
- H01H33/80—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid flow of arc-extinguishing fluid from a pressure source being controlled by a valve
- H01H33/82—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid flow of arc-extinguishing fluid from a pressure source being controlled by a valve the fluid being air or gas
-
- 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
- H01H9/52—Cooling of switch parts
- H01H2009/523—Cooling of switch parts by using heat pipes
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00234489A US3816682A (en) | 1972-03-14 | 1972-03-14 | Two-pressure circuit breaker with contact cooling by the direct expansion of high-pressure dielectric gas |
Publications (1)
Publication Number | Publication Date |
---|---|
CA970807A true CA970807A (en) | 1975-07-08 |
Family
ID=22881602
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA158,782A Expired CA970807A (en) | 1972-03-14 | 1972-12-13 | Two-pressure circuit breaker with contact cooling by the direct expansion of high-pressure dielectric gas |
Country Status (2)
Country | Link |
---|---|
US (1) | US3816682A (en) |
CA (1) | CA970807A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1395697B1 (en) * | 2009-05-28 | 2012-10-19 | Abb Spa | CURRENT TRANSFORMER, PROTECTIVE DEVICE INCLUDING SUCH TRANSFORMER, AND RELATIVE SWITCH |
EP2390890B1 (en) * | 2010-05-28 | 2015-03-25 | ABB Technology AG | Switching chamber isolation assembly for a circuit breaker |
WO2019079426A1 (en) | 2017-10-17 | 2019-04-25 | Automotive Technologies International, Inc. | High speed valve |
EP3819925A1 (en) * | 2019-11-06 | 2021-05-12 | General Electric Technology GmbH | Improved insulating support assembly for a circuit breaker |
-
1972
- 1972-03-14 US US00234489A patent/US3816682A/en not_active Expired - Lifetime
- 1972-12-13 CA CA158,782A patent/CA970807A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3816682A (en) | 1974-06-11 |
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