IT973910B - PROVISION OF PROTECTION AGAINST DEMAGNETIZATION OF FIELD MAGNETS FOR DIRECT CURRENT MOTORS WITH PERMANENT MAGNET EXCITATION - Google Patents

PROVISION OF PROTECTION AGAINST DEMAGNETIZATION OF FIELD MAGNETS FOR DIRECT CURRENT MOTORS WITH PERMANENT MAGNET EXCITATION

Info

Publication number
IT973910B
IT973910B IT5450072A IT5450072A IT973910B IT 973910 B IT973910 B IT 973910B IT 5450072 A IT5450072 A IT 5450072A IT 5450072 A IT5450072 A IT 5450072A IT 973910 B IT973910 B IT 973910B
Authority
IT
Italy
Prior art keywords
provision
permanent magnet
direct current
protection against
field magnets
Prior art date
Application number
IT5450072A
Other languages
Italian (it)
Inventor
Filippis P De
Original Assignee
Texas Instruments Italia Spa
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 Texas Instruments Italia Spa filed Critical Texas Instruments Italia Spa
Priority to IT5450072A priority Critical patent/IT973910B/en
Priority to NL7315241A priority patent/NL7315241A/xx
Priority to DE19732358096 priority patent/DE2358096A1/en
Priority to FR7341808A priority patent/FR2209244B1/fr
Priority to PL16696173A priority patent/PL79474B1/xx
Priority to JP13600873A priority patent/JPS4995108A/ja
Priority to DD17511673A priority patent/DD109775A5/xx
Application granted granted Critical
Publication of IT973910B publication Critical patent/IT973910B/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K23/00—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors
    • H02K23/02—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors characterised by arrangement for exciting
    • H02K23/22—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors characterised by arrangement for exciting having compensating or damping windings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/18—Windings for salient poles
    • H02K3/20—Windings for salient poles for auxiliary purposes, e.g. damping or commutating

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc Machiner (AREA)
  • Control Of Direct Current Motors (AREA)
IT5450072A 1972-12-05 1972-12-05 PROVISION OF PROTECTION AGAINST DEMAGNETIZATION OF FIELD MAGNETS FOR DIRECT CURRENT MOTORS WITH PERMANENT MAGNET EXCITATION IT973910B (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT5450072A IT973910B (en) 1972-12-05 1972-12-05 PROVISION OF PROTECTION AGAINST DEMAGNETIZATION OF FIELD MAGNETS FOR DIRECT CURRENT MOTORS WITH PERMANENT MAGNET EXCITATION
NL7315241A NL7315241A (en) 1972-12-05 1973-11-07
DE19732358096 DE2358096A1 (en) 1972-12-05 1973-11-21 ARRANGEMENT FOR PROTECTING FIELD MAGNETS FROM DEMAGNETIZATION
FR7341808A FR2209244B1 (en) 1972-12-05 1973-11-23
PL16696173A PL79474B1 (en) 1972-12-05 1973-11-30
JP13600873A JPS4995108A (en) 1972-12-05 1973-12-05
DD17511673A DD109775A5 (en) 1972-12-05 1973-12-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT5450072A IT973910B (en) 1972-12-05 1972-12-05 PROVISION OF PROTECTION AGAINST DEMAGNETIZATION OF FIELD MAGNETS FOR DIRECT CURRENT MOTORS WITH PERMANENT MAGNET EXCITATION

Publications (1)

Publication Number Publication Date
IT973910B true IT973910B (en) 1974-06-10

Family

ID=11287348

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5450072A IT973910B (en) 1972-12-05 1972-12-05 PROVISION OF PROTECTION AGAINST DEMAGNETIZATION OF FIELD MAGNETS FOR DIRECT CURRENT MOTORS WITH PERMANENT MAGNET EXCITATION

Country Status (7)

Country Link
JP (1) JPS4995108A (en)
DD (1) DD109775A5 (en)
DE (1) DE2358096A1 (en)
FR (1) FR2209244B1 (en)
IT (1) IT973910B (en)
NL (1) NL7315241A (en)
PL (1) PL79474B1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5181309A (en) * 1975-01-16 1976-07-16 Hitachi Ltd
JPS5629474B2 (en) * 1975-03-10 1981-07-08
JPS525405A (en) * 1975-07-02 1977-01-17 Agency Of Ind Science & Technol Demagnetization safeguard for magnetic pole of permanent magnet
US4091300A (en) * 1975-08-30 1978-05-23 Lucas Industries Limited Permanent magnet electrical machines
BR8206740A (en) * 1981-11-27 1983-10-04 Lucas Ind Plc REVERSIBLE ELECTRIC GENERATOR WITH PERMANENT IMA
DE3720862A1 (en) * 1986-11-03 1988-05-11 Hans Hermann Rottmerhusen Series-wound permanent magnet motor
GB9216577D0 (en) * 1992-08-05 1992-09-16 Yang Tai Her Magneto dc motor with series compensation and anti-demagnetizing winding
DE102009037114A1 (en) 2009-07-31 2011-02-03 C. & E. Fein Gmbh Series motor with permanent magnet

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR504356A (en) * 1918-11-18 1920-07-02 Alsacienne Constr Meca Further training in so-called constant current dynamo-electric machines
FR1050805A (en) * 1952-02-13 1954-01-11 S Iglesis Ets dual voltage power generation equipment
US3427484A (en) * 1965-09-28 1969-02-11 Rockwell Mfg Co Permanent magnet stator dc motor with hand tool gear train
GB1293434A (en) * 1970-08-28 1972-10-18 John Edward Gould Improvements in or relating to direct current permanent magnet motors
US3686524A (en) * 1970-10-28 1972-08-22 Rockwell Mfg Co Permanent magnet motors

Also Published As

Publication number Publication date
FR2209244A1 (en) 1974-06-28
JPS4995108A (en) 1974-09-10
DE2358096A1 (en) 1974-06-12
NL7315241A (en) 1974-06-07
PL79474B1 (en) 1975-06-30
FR2209244B1 (en) 1976-10-01
DD109775A5 (en) 1974-11-12

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