FR494139A - Perfectionnements aux interrupteurs électriques à temps - Google Patents

Perfectionnements aux interrupteurs électriques à temps

Info

Publication number
FR494139A
FR494139A FR494139A FR494139DA FR494139A FR 494139 A FR494139 A FR 494139A FR 494139 A FR494139 A FR 494139A FR 494139D A FR494139D A FR 494139DA FR 494139 A FR494139 A FR 494139A
Authority
FR
France
Prior art keywords
electrical switch
time electrical
switch upgrades
upgrades
time
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
FR494139A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tvermoes & Abrahamson
Original Assignee
Tvermoes & Abrahamson
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 Tvermoes & Abrahamson filed Critical Tvermoes & Abrahamson
Application granted granted Critical
Publication of FR494139A publication Critical patent/FR494139A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H43/00—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed
    • H01H43/30—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed with timing of actuation of contacts due to thermal action
    • H01H43/301—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed with timing of actuation of contacts due to thermal action based on the expansion or contraction of a material
    • H01H43/302—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed with timing of actuation of contacts due to thermal action based on the expansion or contraction of a material of solid bodies
    • H01H43/303—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed with timing of actuation of contacts due to thermal action based on the expansion or contraction of a material of solid bodies of one single solid body, e.g. hot wire
FR494139A 1917-05-12 1918-09-20 Perfectionnements aux interrupteurs électriques à temps Expired FR494139A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK94106X 1917-05-12
DK81117X 1917-11-08

Publications (1)

Publication Number Publication Date
FR494139A true FR494139A (fr) 1919-08-30

Family

ID=26068159

Family Applications (2)

Application Number Title Priority Date Filing Date
FR495334A Expired FR495334A (fr) 1917-05-12 1918-09-20 Interrupteur électrique à temps
FR494139A Expired FR494139A (fr) 1917-05-12 1918-09-20 Perfectionnements aux interrupteurs électriques à temps

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR495334A Expired FR495334A (fr) 1917-05-12 1918-09-20 Interrupteur électrique à temps

Country Status (3)

Country Link
CH (1) CH94106A (fr)
DE (1) DE317505C (fr)
FR (2) FR495334A (fr)

Also Published As

Publication number Publication date
DE317505C (fr)
FR495334A (fr) 1919-10-04
CH94106A (de) 1922-04-17

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