NL155976B - ELECTRIC PRESSURE SWITCH WITH TEMPERATURE COMPENSATION MEANS. - Google Patents

ELECTRIC PRESSURE SWITCH WITH TEMPERATURE COMPENSATION MEANS.

Info

Publication number: NL155976B
Authority: NL; Netherlands
Prior art keywords: pressure switch; temperature compensation; electric pressure; compensation means; electric
Prior art date: 1971-02-24

Application number

NL7202281.A

Other languages

Dutch (nl)

Other versions

NL7202281A (en

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.)

1971-02-24

Filing date

1972-02-22

Publication date

1978-02-15

1972-02-22 Application filed by Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie

1972-08-28 Publication of NL7202281A publication Critical patent/NL7202281A/xx

1978-02-15 Publication of NL155976B publication Critical patent/NL155976B/en

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)
Switches Operated By Changes In Physical Conditions (AREA)

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 NL7202281A (en)	1972-08-28
NL155976B true 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 (20)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT981179B (en) *	1972-03-08	1974-10-10	Centra Buerkle Kg Albert	AUTOMATIC CONTROL DRIVE 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
WO2014025652A2 (en)	2012-08-06	2014-02-13	Scheucher Karl F	Network manageable advanced gas sensor apparatus and method
US9212966B2 (en) *	2011-08-05	2015-12-15	Solon Manufacturing Company	Network manageable advanced gas sensor apparatus and method
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
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
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 (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	A kind of sulfur hexafluoride gas density relay and anti-vibration method and anti-vibration 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
CN110411890B (en) *	2019-09-04	2024-06-21	上海乐研电气有限公司	On-site detection device, system and method for realizing maintenance-free gas density relay
CN110412460B (en) *	2019-09-04	2024-06-21	上海乐研电气有限公司	A gas density relay calibration device and calibration method thereof
CN118584314B (en) *	2023-03-02	2025-05-09	上海乐研电气有限公司	A simulation calibration method and device for gas density relay
CN116559642A (en) *	2023-04-26	2023-08-08	国网河南省电力公司电力科学研究院	A temperature compensation density relay device and temperature compensation method

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

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 IT IT20864/72A patent/IT947784B/en active
- 1972-02-22 NL NL7202281.A patent/NL155976B/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
FR2126236B1 (en)	1977-09-02
US3749865A (en)	1973-07-31
DE2113100A1 (en)	1972-09-07
FR2126236A1 (en)	1972-10-06
IT947784B (en)	1973-05-30
DE7110274U (en)	1973-02-08
DE2113100B2 (en)	1978-11-23
CH528142A (en)	1972-09-15
JPS56897B1 (en)	1981-01-10
NL7202281A (en)	1972-08-28

Publication	Publication Date	Title
NL160178C (en)	1979-10-15	ELECTRIC CHOPPER.
NL177581C (en)	1985-10-16	ELECTRIC HEATING DEVICE.
NL163640C (en)	1980-09-15	ELECTRIC PRESSURE SWITCH.
CH535499A (en)	1973-03-31	Electrical connection arrangement
NL163639C (en)	1980-09-15	ELECTRICAL OVEN.
NL155976B (en)	1978-02-15	ELECTRIC PRESSURE SWITCH WITH TEMPERATURE COMPENSATION MEANS.
NL159229B (en)	1979-01-15	ELECTRIC LAMP.
AT323827B (en)	1975-07-25	ELECTRICAL CONNECTION ARRANGEMENT
NL173576C (en)	1983-09-01	ELECTRIC PRESS GAS SWITCH.
DE2113876B2 (en)	1973-07-26	HEATABLE INSULATING GLASS
NL150626B (en)	1976-08-16	ELECTRICAL ELEMENT.
NL172703C (en)	1983-10-03	AUTOMATIC ELECTRIC SWITCH.
CH548143A (en)	1974-04-11	ELECTRIC HEATING ELEMENT.
CH528158A (en)	1972-09-15	Electrical connection arrangement
NL159241B (en)	1979-01-15	ELECTRIC CONNECTOR.
AR203077A1 (en)	1975-08-14	ELECTRIC SWITCH
DK126884B (en)	1973-08-27	Electric snap switch.
IT970024B (en)	1974-04-10	ELECTRICAL SWITCH
NL7609993A (en)	1976-12-31	ELECTRIC CAN OPENER.
CH547427A (en)	1974-03-29	INSULATING GLASS UNIT.
IT975340B (en)	1974-07-20	ELECTRIC SWITCH
CH545055A (en)	1973-11-30	Electric heating element
IT966222B (en)	1974-02-11	ELECTRIC SWITCH
CH546517A (en)	1974-02-28	ELECTRIC MONITORING SYSTEM.
AT315283B (en)	1974-05-27	Electrical assembly

Legal Events

Date	Code	Title	Description
1985-10-16	V1	Lapsed because of non-payment of the annual fee
1992-02-28	NL80	Information provided on patent owner name for an already discontinued patent	Owner name: BBC AG