NL7202281A - - Google Patents
Info
- Publication number
- NL7202281A NL7202281A NL7202281A NL7202281A NL7202281A NL 7202281 A NL7202281 A NL 7202281A NL 7202281 A NL7202281 A NL 7202281A NL 7202281 A NL7202281 A NL 7202281A NL 7202281 A NL7202281 A NL 7202281A
- Authority
- NL
- Netherlands
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)
- Switches Operated By Changes In Physical Conditions (AREA)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH264071A CH528142A (de) | 1971-02-24 | 1971-02-24 | Druckabhängiger temperaturkompensierter Schalter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL7202281A true NL7202281A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-08-28 |
| NL155976B NL155976B (nl) | 1978-02-15 |
Family
ID=4238298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7202281.A NL155976B (nl) | 1971-02-24 | 1972-02-22 | Elektrische drukschakelaar met temperatuurcompensatiemiddelen. |
Country Status (7)
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7303223A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1972-03-08 | 1973-09-11 | ||
| US4020442A (en) * | 1974-03-08 | 1977-04-26 | Hochiki Corporation | Composite-type heat-system fire sensing device |
| DE8130048U1 (de) * | 1981-10-14 | 1982-03-04 | Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart | Druckdose zur Flüssigkeitsniveaukontrolle in wasserführenden Haushaltgeräten |
| CH664220A5 (de) * | 1984-08-15 | 1988-02-15 | Huba Control Ag | Druckgeber fuer einen druckschalter oder einen regler. |
| US6252492B1 (en) | 1999-03-18 | 2001-06-26 | James P. Frank | Condition-responsive electric switch mechanism |
| CN101866775B (zh) * | 2009-04-20 | 2015-02-18 | 国家电网公司 | 等温测试密度继电器 |
| CN101847544A (zh) * | 2010-05-14 | 2010-09-29 | 上海乐研电气科技有限公司 | 一种六氟化硫气体密度继电器 |
| US9212966B2 (en) * | 2011-08-05 | 2015-12-15 | Solon Manufacturing Company | Network manageable advanced gas sensor apparatus and method |
| CA2919608C (en) | 2012-08-06 | 2017-08-22 | Karl F. Scheucher | Network manageable advanced gas sensor apparatus and method |
| CN103456561B (zh) * | 2013-09-18 | 2017-01-18 | 上海乐研电气科技有限公司 | 一种高精度六氟化硫气体密度继电器 |
| CN103474290B (zh) * | 2013-09-18 | 2015-10-21 | 上海乐研电气科技有限公司 | 一种六氟化硫气体密度继电器的微动开关的调节机构 |
| 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 (zh) * | 2015-02-05 | 2015-06-03 | 上海上芃电气有限公司 | 一种便于读取的高精度六氟化硫气体密度继电器 |
| CN107658178B (zh) * | 2017-07-20 | 2020-12-11 | 上海乐研电气有限公司 | 一种六氟化硫气体密度继电器及抗振方法和抗振装置 |
| CN109103050B (zh) * | 2018-09-28 | 2020-06-02 | 上海乐研电气有限公司 | 一种提高气体密度继电器精度的方法 |
| CN110412460B (zh) | 2019-09-04 | 2024-06-21 | 上海乐研电气有限公司 | 一种气体密度继电器校验装置及其校验方法 |
| CN110411890B (zh) * | 2019-09-04 | 2024-06-21 | 上海乐研电气有限公司 | 实现气体密度继电器免维护的现场检测装置、系统及方法 |
| CN118584314B (zh) * | 2023-03-02 | 2025-05-09 | 上海乐研电气有限公司 | 一种气体密度继电器的仿真校验方法及装置 |
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 (de) * | 1952-08-04 | 1957-05-09 | Christian Buerkert | Elektrothermischer Stellmotor |
| 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/de not_active IP Right Cessation
- 1971-03-18 DE DE7110274U patent/DE7110274U/de not_active Expired
- 1971-03-18 DE DE2113100A patent/DE2113100B2/de not_active Ceased
- 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/xx not_active IP Right Cessation
- 1972-02-22 IT IT20864/72A patent/IT947784B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56897B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-01-10 |
| DE2113100B2 (de) | 1978-11-23 |
| NL155976B (nl) | 1978-02-15 |
| FR2126236B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1977-09-02 |
| DE7110274U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-02-08 |
| DE2113100A1 (de) | 1972-09-07 |
| CH528142A (de) | 1972-09-15 |
| FR2126236A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-10-06 |
| US3749865A (en) | 1973-07-31 |
| IT947784B (it) | 1973-05-30 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| V1 | Lapsed because of non-payment of the annual fee | ||
| NL80 | Information provided on patent owner name for an already discontinued patent |
Owner name: BBC AG |