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
- France
- 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
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
- H02K16/02—Machines with one stator and two or more rotors
- H02K16/025—Machines with one stator and two or more rotors with rotors and moving stators connected in a cascade
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K99/00—Subject matter not provided for in other groups of this subclass
- H02K99/20—Motors
-
- 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
- H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
- H02P5/74—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling two or more ac dynamo-electric motors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/534,165 US3990712A (en) | 1973-02-05 | 1974-12-19 | Double-action compression type seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT3332/72A IT957144B (it) | 1972-02-14 | 1972-02-14 | Gruppo elettrovariatore della velocita |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2172130A1 true FR2172130A1 (xx) | 1973-09-28 |
| FR2172130B3 FR2172130B3 (xx) | 1978-05-05 |
Family
ID=11105132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7304556A Expired FR2172130B3 (xx) | 1972-02-14 | 1973-02-05 |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH553507A (xx) |
| DE (1) | DE2306792A1 (xx) |
| FR (1) | FR2172130B3 (xx) |
| IT (1) | IT957144B (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI20071486A1 (it) * | 2007-07-24 | 2009-01-25 | Ravioli S P A | Collettore elettrico rotante |
-
1972
- 1972-02-14 IT IT3332/72A patent/IT957144B/it active
-
1973
- 1973-02-05 FR FR7304556A patent/FR2172130B3/fr not_active Expired
- 1973-02-07 CH CH194973A patent/CH553507A/xx not_active IP Right Cessation
- 1973-02-12 DE DE2306792A patent/DE2306792A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2306792A1 (de) | 1973-08-23 |
| FR2172130B3 (xx) | 1978-05-05 |
| CH553507A (de) | 1974-08-30 |
| IT957144B (it) | 1973-10-10 |