NL230347A - - Google Patents

Info

Publication number
NL230347A
NL230347A NL230347DA NL230347A NL 230347 A NL230347 A NL 230347A NL 230347D A NL230347D A NL 230347DA NL 230347 A NL230347 A NL 230347A
Authority
NL
Netherlands
Application number
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.)
Publication of NL230347A publication Critical patent/NL230347A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H61/00—Electrothermal relays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H29/00—Switches having at least one liquid contact
    • H01H29/28—Switches having at least one liquid contact with level of surface of contact liquid displaced by fluid pressure
NL230347D 1957-08-09 NL230347A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1957T0013981 DE1114893C2 (en) 1957-08-09 1957-08-09 Switch with a gas-filled cavity at the ends of a tube containing liquid metal

Publications (1)

Publication Number Publication Date
NL230347A true NL230347A (en)

Family

ID=7547502

Family Applications (1)

Application Number Title Priority Date Filing Date
NL230347D NL230347A (en) 1957-08-09

Country Status (7)

Country Link
US (1) US3102179A (en)
BE (1) BE570153A (en)
CH (1) CH363397A (en)
DE (1) DE1114893C2 (en)
GB (1) GB840207A (en)
LU (1) LU36323A1 (en)
NL (1) NL230347A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL249598A (en) * 1959-03-20
US3249722A (en) * 1963-09-24 1966-05-03 Jr John E Lindberg Electrical relay employing liquid metal in a capillary tube that is wet by the liquid metal
US3329787A (en) * 1965-08-02 1967-07-04 Napor Corp Temperature and level sensor with heater and heat transfer means
US4103135A (en) * 1976-07-01 1978-07-25 International Business Machines Corporation Gas operated switches
CN109585188A (en) * 2018-12-29 2019-04-05 韦明肯 A kind of temperature difference air control switch design

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE316352C (en) *
DE300482C (en) *
DE339953C (en) * 1920-05-18 1921-08-22 Ottomar Kasperowski Automatic, electric twilight light switch
DE627105C (en) * 1934-03-09 1936-03-09 Ver Eisenbahn Signalwerke G M Mercury switch, especially for overhead signals in railway security
US2046578A (en) * 1935-05-03 1936-07-07 Vapor Car Heating Co Inc Thermostat
US2106756A (en) * 1935-10-03 1938-02-01 John A Obermaier Liquid level change detector
US2178487A (en) * 1936-12-12 1939-10-31 Menozzi Giuseppe Device for signaling the presence of illuminating gas in inhabited premises
US2329614A (en) * 1942-07-08 1943-09-14 Honeywell Regulator Co Timing device
BE478928A (en) * 1943-12-06
CH248942A (en) * 1943-12-16 1947-05-31 Ebbesen Grue Olav Mercury contact tube.
DE828567C (en) * 1948-12-14 1952-01-17 Siemens Ag Gas-permeable body, especially for compensating chokes of mercury switching tubes in thermal indicators or the like.
US2596825A (en) * 1949-02-17 1952-05-13 Vapor Heating Corp Mercury column thermostatic switch
US2621268A (en) * 1949-07-04 1952-12-09 Ericsson Telefon Ab L M Connecting device of the liquid manometer type
CH291919A (en) * 1951-02-09 1953-07-15 Loosli Hermann Electrical switchgear.

Also Published As

Publication number Publication date
DE1114893B (en) 1961-10-12
BE570153A (en)
US3102179A (en) 1963-08-27
CH363397A (en) 1962-07-31
GB840207A (en) 1960-07-06
LU36323A1 (en)
DE1114893C2 (en) 1974-02-14

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