DE7110274U - - Google Patents
Info
- Publication number
- DE7110274U DE7110274U DE7110274U DE7110274U DE7110274U DE 7110274 U DE7110274 U DE 7110274U DE 7110274 U DE7110274 U DE 7110274U DE 7110274 U DE7110274 U DE 7110274U DE 7110274 U DE7110274 U DE 7110274U
- Authority
- DE
- Germany
- 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
- 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
- H01H35/26—Details
- H01H35/28—Compensation for variation of ambient pressure or temperature
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Thermally Actuated Switches (AREA)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH264071A CH528142A (en) | 1971-02-24 | 1971-02-24 | Pressure dependent temperature compensated switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE7110274U true DE7110274U (en) | 1973-02-08 |
Family
ID=4238298
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2113100A Ceased DE2113100B2 (en) | 1971-02-24 | 1971-03-18 | Temperature compensated gas density relay |
| DE7110274U Expired DE7110274U (en) | 1971-02-24 | 1971-03-18 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2113100A Ceased DE2113100B2 (en) | 1971-02-24 | 1971-03-18 | Temperature compensated gas density relay |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3749865A (en) |
| JP (1) | JPS56897B1 (en) |
| CH (1) | CH528142A (en) |
| DE (2) | DE2113100B2 (en) |
| FR (1) | FR2126236B1 (en) |
| IT (1) | IT947784B (en) |
| NL (1) | NL155976B (en) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH549258A (en) * | 1972-03-08 | 1974-05-15 | Buerkle Albert Zentra Kg | SELF-MONITORING ACTUATION DEVICE. |
| US4020442A (en) * | 1974-03-08 | 1977-04-26 | Hochiki Corporation | Composite-type heat-system fire sensing device |
| DE8130048U1 (en) * | 1981-10-14 | 1982-03-04 | Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart | Pressurized can for liquid level control in water-bearing household appliances |
| CH664220A5 (en) * | 1984-08-15 | 1988-02-15 | Huba Control Ag | PRESSURE SENSOR FOR A PRESSURE SWITCH OR REGULATOR. |
| US6252492B1 (en) | 1999-03-18 | 2001-06-26 | James P. Frank | Condition-responsive electric switch mechanism |
| CN101866775B (en) * | 2009-04-20 | 2015-02-18 | 国家电网公司 | Relay for isothermally testing density |
| CN101847544A (en) * | 2010-05-14 | 2010-09-29 | 上海乐研电气科技有限公司 | Sulfur hexafluoride gas density relay |
| US9212966B2 (en) * | 2011-08-05 | 2015-12-15 | Solon Manufacturing Company | Network manageable advanced gas sensor apparatus and method |
| EP2880413B1 (en) * | 2012-08-06 | 2019-10-30 | Solon Manufacturing Company | Network manageable advanced gas sensor apparatus and method |
| CN103474290B (en) * | 2013-09-18 | 2015-10-21 | 上海乐研电气科技有限公司 | A kind of governor motion of sensitive switch of sulfur hexafluoride gas density relay |
| CN103456561B (en) * | 2013-09-18 | 2017-01-18 | 上海乐研电气科技有限公司 | High-precision sulfur hexafluoride gas density relay |
| US9696248B2 (en) | 2014-04-29 | 2017-07-04 | Solon Manufacturing Company | Gas insulated switchgear monitoring apparatus and method |
| US9885646B2 (en) | 2015-01-15 | 2018-02-06 | Solon Manufacturing Company | Gas measurement apparatus |
| CN104681351A (en) * | 2015-02-05 | 2015-06-03 | 上海上芃电气有限公司 | Convenient-to-read high-accuracy sulfur hexafluoride gas density relay |
| CN107658178B (en) * | 2017-07-20 | 2020-12-11 | 上海乐研电气有限公司 | Sulfur hexafluoride gas density relay, and vibration resisting method and device |
| CN109103050B (en) * | 2018-09-28 | 2020-06-02 | 上海乐研电气有限公司 | Method for improving precision of gas density relay |
| CN110412460A (en) * | 2019-09-04 | 2019-11-05 | 上海乐研电气有限公司 | A kind of gas density relay calibration equipment and its method of calibration |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2514881A (en) * | 1947-05-23 | 1950-07-11 | United Electric Controls Co | Thermostatic switch |
| US2635157A (en) * | 1949-05-03 | 1953-04-14 | Rheostatic Co Ltd | Thermostatic control switch |
| DE963381C (en) * | 1952-08-04 | 1957-05-09 | Christian Buerkert | Electrothermal servomotor |
| US3129309A (en) * | 1960-04-12 | 1964-04-14 | Westinghouse Canada Ltd | Temperature-compensated pressure switches for controlling gas blast circuit interrupters |
| US3412357A (en) * | 1967-01-24 | 1968-11-19 | Kk | Condition responsive switch |
| US3490342A (en) * | 1967-04-18 | 1970-01-20 | United Electric Controls Co | Pressure control device |
| GB1278778A (en) * | 1968-08-19 | 1972-06-21 | Simplifix Couplings Ltd | Improvements in pressure actuated switches |
-
1971
- 1971-02-24 CH CH264071A patent/CH528142A/en not_active IP Right Cessation
- 1971-03-18 DE DE2113100A patent/DE2113100B2/en not_active Ceased
- 1971-03-18 DE DE7110274U patent/DE7110274U/de not_active Expired
- 1971-11-30 JP JP9669971A patent/JPS56897B1/ja active Pending
- 1971-12-21 US US00210526A patent/US3749865A/en not_active Expired - Lifetime
-
1972
- 1972-02-21 FR FR7205715A patent/FR2126236B1/fr not_active Expired
- 1972-02-22 NL NL7202281.A patent/NL155976B/en not_active IP Right Cessation
- 1972-02-22 IT IT20864/72A patent/IT947784B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| DE2113100B2 (en) | 1978-11-23 |
| US3749865A (en) | 1973-07-31 |
| NL7202281A (en) | 1972-08-28 |
| FR2126236A1 (en) | 1972-10-06 |
| IT947784B (en) | 1973-05-30 |
| DE2113100A1 (en) | 1972-09-07 |
| NL155976B (en) | 1978-02-15 |
| CH528142A (en) | 1972-09-15 |
| JPS56897B1 (en) | 1981-01-10 |
| FR2126236B1 (en) | 1977-09-02 |