JPS321674B1 - - Google Patents
Info
- Publication number
- JPS321674B1 JPS321674B1 JP3047754A JP3047754A JPS321674B1 JP S321674 B1 JPS321674 B1 JP S321674B1 JP 3047754 A JP3047754 A JP 3047754A JP 3047754 A JP3047754 A JP 3047754A JP S321674 B1 JPS321674 B1 JP S321674B1
- 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
- H01H35/00—Switches operated by change of a physical condition
- H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
- H01H35/32—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by bellows
-
- 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
- H01H33/26—Means for detecting the presence of an arc or other discharge
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Housings And Mounting Of Transformers (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US470639A US2773146A (en) | 1954-11-23 | 1954-11-23 | Pressure switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS321674B1 true JPS321674B1 (es) | 1957-03-12 |
Family
ID=54601531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3047754A Pending JPS321674B1 (es) | 1954-11-23 | 1955-11-30 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2773146A (es) |
| JP (1) | JPS321674B1 (es) |
| CA (1) | CA550139A (es) |
| DE (1) | DE1052506B (es) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3277341A (en) * | 1958-11-26 | 1966-10-04 | Deutschmann Tobe | Energy storage capacitors and associated circuitry |
| NL249491A (es) * | 1959-03-26 | |||
| DE1240988B (de) * | 1964-11-03 | 1967-05-24 | Messwandler Bau Gmbh | Schutzeinrichtung fuer einen gas- oder fluessigkeitsisolierten Kaskadenspannungswandler |
| US3816801A (en) * | 1973-01-11 | 1974-06-11 | Westinghouse Electric Corp | Electrical transformer |
| US4001644A (en) * | 1975-03-27 | 1977-01-04 | Westinghouse Electric Corporation | Sudden pressure relay having seismic protection |
| US4117525A (en) * | 1977-09-09 | 1978-09-26 | Electric Power Research Institute, Inc. | Overpressure protection for vaporization cooled electrical apparatus |
| FR2452175A1 (fr) * | 1979-03-23 | 1980-10-17 | Alsthom Unelec Sa | Appareil electrique de coupure dans l'air muni d'un dispositif indicateur de court-circuit |
| US8710946B2 (en) * | 2008-09-17 | 2014-04-29 | General Electric Company | Rupture resistant system |
| US9159482B2 (en) | 2008-09-17 | 2015-10-13 | General Electric Company | Rupture resistant tank system |
| US8717134B2 (en) * | 2008-09-17 | 2014-05-06 | General Electric Company | System with directional pressure venting |
| EP4109481B1 (en) * | 2018-12-17 | 2025-03-26 | Abb Schweiz Ag | Overpressure relief flap apparatus for a medium or high voltage switchgear |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2094319A (en) * | 1935-08-31 | 1937-09-28 | Bristol Company | Sanitary pressure operated device |
| US2357878A (en) * | 1943-01-21 | 1944-09-12 | Hotstream Heater Co | Pressure control device |
| GB698069A (en) * | 1947-11-14 | 1953-10-07 | Westinghouse Electric Int Co | Improvements in or relating to pressure sensitive electrical apparatus |
| US2658122A (en) * | 1950-01-27 | 1953-11-03 | Cleveland Fuel Equipment Compa | Pressure switch |
| US2648741A (en) * | 1950-06-09 | 1953-08-11 | Meletron Corp | Pressure operated temperature responsive switch |
-
0
- CA CA550139A patent/CA550139A/en not_active Expired
-
1954
- 1954-11-23 US US470639A patent/US2773146A/en not_active Expired - Lifetime
-
1955
- 1955-11-22 DE DEW17900A patent/DE1052506B/de active Pending
- 1955-11-30 JP JP3047754A patent/JPS321674B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US2773146A (en) | 1956-12-04 |
| DE1052506B (de) | 1959-03-12 |
| CA550139A (en) | 1957-12-10 |