NL155976B - Elektrische drukschakelaar met temperatuurcompensatiemiddelen. - Google Patents

Elektrische drukschakelaar met temperatuurcompensatiemiddelen.

Info

Publication number
NL155976B
NL155976B NL7202281.A NL7202281A NL155976B NL 155976 B NL155976 B NL 155976B NL 7202281 A NL7202281 A NL 7202281A NL 155976 B NL155976 B NL 155976B
Authority
NL
Netherlands
Prior art keywords
pressure switch
temperature compensation
electric pressure
compensation means
electric
Prior art date
Application number
NL7202281.A
Other languages
English (en)
Dutch (nl)
Other versions
NL7202281A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Original Assignee
Bbc Brown Boveri & Cie
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Publication of NL7202281A publication Critical patent/NL7202281A/xx
Publication of NL155976B publication Critical patent/NL155976B/xx

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)
NL7202281.A 1971-02-24 1972-02-22 Elektrische drukschakelaar met temperatuurcompensatiemiddelen. NL155976B (nl)

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 NL7202281A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1972-08-28
NL155976B true 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)

Country Link
US (1) US3749865A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS56897B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH528142A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (2) DE7110274U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2126236B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT947784B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL155976B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
JPS56897B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1981-01-10
DE2113100B2 (de) 1978-11-23
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
NL7202281A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1972-08-28
FR2126236A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1972-10-06
US3749865A (en) 1973-07-31
IT947784B (it) 1973-05-30

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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