GB1354157A - Speed control device for an electric motor in a sewing machine - Google Patents
Speed control device for an electric motor in a sewing machineInfo
- Publication number
- GB1354157A GB1354157A GB5223871A GB5223871A GB1354157A GB 1354157 A GB1354157 A GB 1354157A GB 5223871 A GB5223871 A GB 5223871A GB 5223871 A GB5223871 A GB 5223871A GB 1354157 A GB1354157 A GB 1354157A
- Authority
- GB
- United Kingdom
- Prior art keywords
- switch
- sewing machine
- shunting
- members
- control device
- 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
- 238000009958 sewing Methods 0.000 title abstract 3
- 230000000994 depressogenic effect Effects 0.000 abstract 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 |
|---|---|
| GB1354157A true GB1354157A (en) | 1974-06-05 |
Family
ID=11254479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5223871A Expired GB1354157A (en) | 1971-01-11 | 1971-11-10 | Speed control device for an electric motor in a sewing machine |
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 |
| ES396116A1 (es) | 1974-04-16 |
| BE777172A (fr) | 1972-04-17 |
| CH545036A (it) | 1973-11-30 |
| FR2119421A5 (de) | 1972-08-04 |
| SE370298B (de) | 1974-10-07 |
| DE2200999A1 (de) | 1972-07-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |