FR720950A - Electric motors at constant speed - Google Patents

Electric motors at constant speed

Info

Publication number
FR720950A
FR720950A FR720950DA FR720950A FR 720950 A FR720950 A FR 720950A FR 720950D A FR720950D A FR 720950DA FR 720950 A FR720950 A FR 720950A
Authority
FR
France
Prior art keywords
constant speed
electric motors
motors
electric
constant
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.)
Sangamo Electric Co
Original Assignee
Sangamo Electric Co
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 Sangamo Electric Co filed Critical Sangamo Electric Co
Application granted granted Critical
Publication of FR720950A publication Critical patent/FR720950A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/46—Motors having additional short-circuited winding for starting as an asynchronous motor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR720950D 1931-01-19 1931-08-01 Electric motors at constant speed Expired FR720950A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US720950XA 1931-01-19 1931-01-19

Publications (1)

Publication Number Publication Date
FR720950A true FR720950A (en) 1932-02-25

Family

ID=22105530

Family Applications (1)

Application Number Title Priority Date Filing Date
FR720950D Expired FR720950A (en) 1931-01-19 1931-08-01 Electric motors at constant speed

Country Status (1)

Country Link
FR (1) FR720950A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985003174A1 (en) * 1984-01-02 1985-07-18 Robert Bosch Gmbh Induction motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985003174A1 (en) * 1984-01-02 1985-07-18 Robert Bosch Gmbh Induction motor

Similar Documents

Publication Publication Date Title
FR720950A (en) Electric motors at constant speed
FR716754A (en) Rotary motor
FR776039A (en) Single- or polyphase motor with short-circuited rotor with distributed windings
FR747848A (en) Improvements to AC motors
FR687334A (en) Adjustable speed DC motor
FR760095A (en) High Speed Vertical Shaft Motors
FR664069A (en) Improvements to constant speed door closer motors
FR734538A (en) Vacuum motor
FR732329A (en) Motor starters
FR721845A (en) Short-circuited rotor motor
FR616059A (en) Constant speed motor
FR673681A (en) Polyphase variable speed motor
FR612342A (en) Electric motor at constant speed
FR540754A (en) Constant speed motors
FR732172A (en) Improvements to electric motors
FR699957A (en) Improvement in variable speed current generators
FR719158A (en) Electric induction motor especially for high speed drives
FR695605A (en) Improvements to DC motors with variable speed
FR739417A (en) AC motor
FR40752E (en) Device for gradually varying the speed of electric motors
FR713843A (en) Speed regulation device applicable to electric traction
FR637048A (en) Automatic speed regulator of electric motors working at variable load
FR809544A (en) Variable speed rotating electric machine
FR617269A (en) Two-speed regulator for variable speed current generators
FR705378A (en) Improvements to AC repulsion motors