IT947784B - Rele di controllo della densita di un gas con compensazione termica - Google Patents

Rele di controllo della densita di un gas con compensazione termica

Info

Publication number
IT947784B
IT947784B IT20864/72A IT2086472A IT947784B IT 947784 B IT947784 B IT 947784B IT 20864/72 A IT20864/72 A IT 20864/72A IT 2086472 A IT2086472 A IT 2086472A IT 947784 B IT947784 B IT 947784B
Authority
IT
Italy
Prior art keywords
relay
density
gas
control
thermal compensation
Prior art date
Application number
IT20864/72A
Other languages
English (en)
Original Assignee
Brown Boveri Ag U 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 Brown Boveri Ag U Cie filed Critical Brown Boveri Ag U Cie
Application granted granted Critical
Publication of IT947784B publication Critical patent/IT947784B/it

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)
IT20864/72A 1971-02-24 1972-02-22 Rele di controllo della densita di un gas con compensazione termica IT947784B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH264071A CH528142A (de) 1971-02-24 1971-02-24 Druckabhängiger temperaturkompensierter Schalter

Publications (1)

Publication Number Publication Date
IT947784B true IT947784B (it) 1973-05-30

Family

ID=4238298

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20864/72A IT947784B (it) 1971-02-24 1972-02-22 Rele di controllo della densita di un gas con compensazione termica

Country Status (7)

Country Link
US (1) US3749865A (it)
JP (1) JPS56897B1 (it)
CH (1) CH528142A (it)
DE (2) DE7110274U (it)
FR (1) FR2126236B1 (it)
IT (1) IT947784B (it)
NL (1) NL155976B (it)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7303223A (it) * 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
EP2880413B1 (en) * 2012-08-06 2019-10-30 Solon Manufacturing Company Network manageable advanced gas sensor apparatus and method
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
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
US9696248B2 (en) 2014-04-29 2017-07-04 Solon Manufacturing Company Gas insulated switchgear monitoring apparatus and method
WO2016115388A1 (en) 2015-01-15 2016-07-21 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
CN110412460A (zh) * 2019-09-04 2019-11-05 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

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
CH528142A (de) 1972-09-15
US3749865A (en) 1973-07-31
JPS56897B1 (it) 1981-01-10
DE2113100B2 (de) 1978-11-23
NL7202281A (it) 1972-08-28
FR2126236B1 (it) 1977-09-02
DE2113100A1 (de) 1972-09-07
FR2126236A1 (it) 1972-10-06
DE7110274U (it) 1973-02-08
NL155976B (nl) 1978-02-15

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