BE777172A - Perfectionnements apportes aux dispositifs regulateurs de vitesse pour moteurs electriques a collecteur de machines a coudre - Google Patents
Perfectionnements apportes aux dispositifs regulateurs de vitesse pour moteurs electriques a collecteur de machines a coudreInfo
- Publication number
- BE777172A BE777172A BE777172A BE777172A BE777172A BE 777172 A BE777172 A BE 777172A BE 777172 A BE777172 A BE 777172A BE 777172 A BE777172 A BE 777172A BE 777172 A BE777172 A BE 777172A
- Authority
- BE
- Belgium
- Prior art keywords
- sewing machine
- electric motors
- improvements made
- speed regulators
- machine manifold
- Prior art date
Links
- 238000009958 sewing Methods 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
- H02P7/285—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 supply only
- H02P7/288—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 supply only using variable impedance
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT4290171 | 1971-01-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE777172A true BE777172A (fr) | 1972-04-17 |
Family
ID=11254479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE777172A BE777172A (fr) | 1971-01-11 | 1971-12-22 | Perfectionnements apportes aux dispositifs regulateurs de vitesse pour moteurs electriques a collecteur de machines a coudre |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT312109B (de) |
| BE (1) | BE777172A (de) |
| CH (1) | CH545036A (de) |
| DE (1) | DE2200999A1 (de) |
| ES (1) | ES396116A1 (de) |
| FR (1) | FR2119421A5 (de) |
| GB (1) | GB1354157A (de) |
| SE (1) | SE370298B (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT345969B (de) * | 1973-10-03 | 1978-10-10 | Kaltenbach & Voigt | Zahnaerztliches handstueck |
-
1971
- 1971-10-05 ES ES396116A patent/ES396116A1/es not_active Expired
- 1971-11-08 CH CH1621971A patent/CH545036A/it not_active IP Right Cessation
- 1971-11-10 GB GB5223871A patent/GB1354157A/en not_active Expired
- 1971-12-15 FR FR7145005A patent/FR2119421A5/fr not_active Expired
- 1971-12-22 BE BE777172A patent/BE777172A/xx unknown
-
1972
- 1972-01-03 SE SE1972A patent/SE370298B/xx unknown
- 1972-01-07 AT AT11472A patent/AT312109B/de not_active IP Right Cessation
- 1972-01-11 DE DE19722200999 patent/DE2200999A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| AT312109B (de) | 1973-12-27 |
| GB1354157A (en) | 1974-06-05 |
| ES396116A1 (es) | 1974-04-16 |
| CH545036A (it) | 1973-11-30 |
| FR2119421A5 (de) | 1972-08-04 |
| SE370298B (de) | 1974-10-07 |
| DE2200999A1 (de) | 1972-07-20 |
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