FR2172130A1 - - Google Patents

Info

Publication number
FR2172130A1
FR2172130A1 FR7304556A FR7304556A FR2172130A1 FR 2172130 A1 FR2172130 A1 FR 2172130A1 FR 7304556 A FR7304556 A FR 7304556A FR 7304556 A FR7304556 A FR 7304556A FR 2172130 A1 FR2172130 A1 FR 2172130A1
Authority
FR
Grant status
Application
Patent type
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.)
Granted
Application number
FR7304556A
Other versions
FR2172130B3 (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.)
FRANCESCHINI RUGGERO IT
Original Assignee
FRANCESCHINI RUGGERO,IT
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

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K16/00Machines with more than one rotor or stator
    • H02K16/02Machines with one stator and two or more rotors
    • H02K16/025Machines with one stator and two or more rotors with rotors and moving stators connected in a cascade
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K99/00Subject matter not provided for in other groups of this subclass
    • H02K99/20Motors
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P5/00Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
    • H02P5/74Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling two or more ac dynamo-electric motors
FR7304556A 1972-02-14 1973-02-05 Expired FR2172130B3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT333272A IT957144B (en) 1972-02-14 1972-02-14 elettrovariatore Group velocity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05534165 US3990712A (en) 1973-02-05 1974-12-19 Double-action compression type seal

Publications (2)

Publication Number Publication Date
FR2172130A1 true true FR2172130A1 (en) 1973-09-28
FR2172130B3 FR2172130B3 (en) 1978-05-05

Family

ID=11105132

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7304556A Expired FR2172130B3 (en) 1972-02-14 1973-02-05

Country Status (2)

Country Link
DE (1) DE2306792A1 (en)
FR (1) FR2172130B3 (en)

Also Published As

Publication number Publication date Type
FR2172130B3 (en) 1978-05-05 grant
DE2306792A1 (en) 1973-08-23 application

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