FR41680E - Improvements to liquid displacement and low resistance switches - Google Patents

Improvements to liquid displacement and low resistance switches

Info

Publication number
FR41680E
FR41680E FR41680DA FR41680E FR 41680 E FR41680 E FR 41680E FR 41680D A FR41680D A FR 41680DA FR 41680 E FR41680 E FR 41680E
Authority
FR
France
Prior art keywords
low resistance
liquid displacement
resistance switches
switches
displacement
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
Other languages
French (fr)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR41680E publication Critical patent/FR41680E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H29/00—Switches having at least one liquid contact
    • H01H29/18—Switches having at least one liquid contact with level of surface of contact liquid displaced by non-electrical contact-making plunger
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H29/00—Switches having at least one liquid contact
    • H01H29/02—Details
    • H01H29/04—Contacts; Containers for liquid contacts
FR41680D 1931-03-21 1932-03-11 Improvements to liquid displacement and low resistance switches Expired FR41680E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US524377A US1897485A (en) 1931-03-21 1931-03-21 Magnetically operated low resistance fluid flow switch

Publications (1)

Publication Number Publication Date
FR41680E true FR41680E (en) 1933-03-10

Family

ID=24088940

Family Applications (1)

Application Number Title Priority Date Filing Date
FR41680D Expired FR41680E (en) 1931-03-21 1932-03-11 Improvements to liquid displacement and low resistance switches

Country Status (2)

Country Link
US (1) US1897485A (en)
FR (1) FR41680E (en)

Also Published As

Publication number Publication date
US1897485A (en) 1933-02-14

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