FR670481A - Commutateurs électriques à temps - Google Patents

Commutateurs électriques à temps

Info

Publication number
FR670481A
FR670481A FR670481DA FR670481A FR 670481 A FR670481 A FR 670481A FR 670481D A FR670481D A FR 670481DA FR 670481 A FR670481 A FR 670481A
Authority
FR
France
Prior art keywords
time electric
electric switches
switches
time
electric
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
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.)
Societe de Recherches et de Perfectionnements Industriels SRPI
Original Assignee
Societe de Recherches et de Perfectionnements Industriels SRPI
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 Societe de Recherches et de Perfectionnements Industriels SRPI filed Critical Societe de Recherches et de Perfectionnements Industriels SRPI
Application granted granted Critical
Publication of FR670481A publication Critical patent/FR670481A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H7/00—Devices for introducing a predetermined time delay between the initiation of the switching operation and the opening or closing of the contacts
    • H01H7/08—Devices for introducing a predetermined time delay between the initiation of the switching operation and the opening or closing of the contacts with timing by mechanical speed-control devices
    • H01H7/10—Devices for introducing a predetermined time delay between the initiation of the switching operation and the opening or closing of the contacts with timing by mechanical speed-control devices by escapement
    • H01H7/14—Devices for introducing a predetermined time delay between the initiation of the switching operation and the opening or closing of the contacts with timing by mechanical speed-control devices by escapement electromagnetic

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
FR670481D 1928-05-18 1928-05-18 Commutateurs électriques à temps Expired FR670481A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR670481T 1928-05-18

Publications (1)

Publication Number Publication Date
FR670481A true FR670481A (fr) 1929-11-29

Family

ID=9016347

Family Applications (1)

Application Number Title Priority Date Filing Date
FR670481D Expired FR670481A (fr) 1928-05-18 1928-05-18 Commutateurs électriques à temps

Country Status (1)

Country Link
FR (1) FR670481A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE760518C (de) * 1941-02-21 1954-10-11 Siemens Schuckertwerke A G Zeitrelais

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE760518C (de) * 1941-02-21 1954-10-11 Siemens Schuckertwerke A G Zeitrelais

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