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
Application number
NL7202281A
Other versions
NL155976B (en
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 filed Critical
Publication of NL7202281A publication Critical patent/NL7202281A/xx
Publication of NL155976B publication Critical patent/NL155976B/en

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
NL7202281.A 1971-02-24 1972-02-22 ELECTRIC PRESSURE SWITCH WITH TEMPERATURE COMPENSATION MEANS. NL155976B (en)

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 (2)

Publication Number Publication Date
NL7202281A true NL7202281A (en) 1972-08-28
NL155976B NL155976B (en) 1978-02-15

Family

ID=4238298

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7202281.A NL155976B (en) 1971-02-24 1972-02-22 ELECTRIC PRESSURE SWITCH WITH TEMPERATURE COMPENSATION MEANS.

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)

* Cited by examiner, † Cited by third party
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)

* 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 (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

Also Published As

Publication number Publication date
DE2113100B2 (en) 1978-11-23
US3749865A (en) 1973-07-31
DE7110274U (en) 1973-02-08
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

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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