FR40752E - Device for gradually varying the speed of electric motors - Google Patents

Device for gradually varying the speed of electric motors

Info

Publication number
FR40752E
FR40752E FR40752DA FR40752E FR 40752 E FR40752 E FR 40752E FR 40752D A FR40752D A FR 40752DA FR 40752 E FR40752 E FR 40752E
Authority
FR
France
Prior art keywords
speed
electric motors
gradually varying
varying
gradually
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
Paul Laruelle
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 FR40752E publication Critical patent/FR40752E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
    • H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
    • H02P1/18—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual dc motor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR40752D 1931-03-17 1931-03-17 Device for gradually varying the speed of electric motors Expired FR40752E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR40752T 1931-03-17

Publications (1)

Publication Number Publication Date
FR40752E true FR40752E (en) 1932-08-23

Family

ID=8676995

Family Applications (1)

Application Number Title Priority Date Filing Date
FR40752D Expired FR40752E (en) 1931-03-17 1931-03-17 Device for gradually varying the speed of electric motors

Country Status (1)

Country Link
FR (1) FR40752E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE767686C (en) * 1932-10-12 1953-03-30 Siemens Schuckertwerke A G Arrangement for regenerative braking of direct current motors using two discharge vessels connected in parallel in opposite directions with respect to the direct current motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE767686C (en) * 1932-10-12 1953-03-30 Siemens Schuckertwerke A G Arrangement for regenerative braking of direct current motors using two discharge vessels connected in parallel in opposite directions with respect to the direct current motor

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