FR1440971A - Variable speed transmission - Google Patents
Variable speed transmissionInfo
- Publication number
- FR1440971A FR1440971A FR20424A FR20424A FR1440971A FR 1440971 A FR1440971 A FR 1440971A FR 20424 A FR20424 A FR 20424A FR 20424 A FR20424 A FR 20424A FR 1440971 A FR1440971 A FR 1440971A
- Authority
- FR
- France
- Prior art keywords
- variable speed
- speed transmission
- transmission
- variable
- speed
- 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
Links
- 230000005540 biological transmission Effects 0.000 title 1
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
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
- H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
- H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
- H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
- H02P7/298—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature and field supplies
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR20424A FR1440971A (en) | 1965-06-11 | 1965-06-11 | Variable speed transmission |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR20424A FR1440971A (en) | 1965-06-11 | 1965-06-11 | Variable speed transmission |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1440971A true FR1440971A (en) | 1966-06-03 |
Family
ID=8581653
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR20424A Expired FR1440971A (en) | 1965-06-11 | 1965-06-11 | Variable speed transmission |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1440971A (en) |
-
1965
- 1965-06-11 FR FR20424A patent/FR1440971A/en not_active Expired
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