FR699856A - Improvements to electrical control devices - Google Patents

Improvements to electrical control devices

Info

Publication number
FR699856A
FR699856A FR699856DA FR699856A FR 699856 A FR699856 A FR 699856A FR 699856D A FR699856D A FR 699856DA FR 699856 A FR699856 A FR 699856A
Authority
FR
France
Prior art keywords
control devices
electrical control
electrical
devices
control
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)
Inventor
John Neville Morris
Murray Duncan Scott
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 filed Critical
Application granted granted Critical
Publication of FR699856A publication Critical patent/FR699856A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H02K33/02—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
    • H02K33/10—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs wherein the alternate energisation and de-energisation of the single coil system is effected or controlled by movement of the armatures

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR699856D 1929-07-25 1930-07-24 Improvements to electrical control devices Expired FR699856A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB699856X 1929-07-25

Publications (1)

Publication Number Publication Date
FR699856A true FR699856A (en) 1931-02-20

Family

ID=10493661

Family Applications (1)

Application Number Title Priority Date Filing Date
FR699856D Expired FR699856A (en) 1929-07-25 1930-07-24 Improvements to electrical control devices

Country Status (1)

Country Link
FR (1) FR699856A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109731867A (en) * 2019-03-16 2019-05-10 西南石油大学 A kind of pipe cleaner deceleration receipts ball method of electromagnetic braking

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109731867A (en) * 2019-03-16 2019-05-10 西南石油大学 A kind of pipe cleaner deceleration receipts ball method of electromagnetic braking

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