BE646501A - - Google Patents
Info
- Publication number
- BE646501A BE646501A BE646501DA BE646501A BE 646501 A BE646501 A BE 646501A BE 646501D A BE646501D A BE 646501DA BE 646501 A BE646501 A BE 646501A
- Authority
- BE
- Belgium
Links
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
- H02P7/292—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 static converters, e.g. AC to DC
- H02P7/295—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 static converters, e.g. AC to DC of the kind having one thyristor or the like in series with the power supply and the motor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S388/00—Electricity: motor control systems
- Y10S388/907—Specific control circuit element or device
- Y10S388/917—Thyristor or scr
- Y10S388/918—Trigger by unijunction transistor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Direct Current Motors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US273346A US3249839A (en) | 1963-04-16 | 1963-04-16 | Phase controlled scr circuits for motor speed control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE646501A true BE646501A (it) |
Family
ID=23043523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE646501D BE646501A (it) | 1963-04-16 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3249839A (it) |
| BE (1) | BE646501A (it) |
| NL (1) | NL6404072A (it) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH440425A (de) * | 1965-12-01 | 1967-07-31 | Transistor Ag | Schaltung zur Regelung der Drehzahl eines Kollektormotors |
| US3529226A (en) * | 1966-12-19 | 1970-09-15 | Skinner Precision Ind Inc | Tachometer speed control for a linear induction motor |
| US3441826A (en) * | 1966-12-21 | 1969-04-29 | Minarik Electric Co | Tachometer feedback circuit for d.c. motor speed control |
| US3544872A (en) * | 1967-08-11 | 1970-12-01 | Buehler Gmbh Nachf Geb | Arrangement for maintaining the speed of a d.c. motor constant |
| US3544871A (en) * | 1968-03-21 | 1970-12-01 | Rockwell Mfg Co | Speed control for reversible motor with independently operated,reversible bypass switch |
| GB1274205A (en) * | 1968-09-30 | 1972-05-17 | British Domestic Appliances | Control circuits for clothes washing and spin-drying machines |
| JPS4938421B1 (it) * | 1968-12-26 | 1974-10-17 | ||
| US3514686A (en) * | 1969-05-09 | 1970-05-26 | Motorola Inc | Speed responsive motor control circuit |
| US4030511A (en) * | 1970-02-07 | 1977-06-21 | Hauni-Werke Korber & Co., Kg | Control system for cigarette producing and processing machines or the like |
| US3895559A (en) * | 1973-03-21 | 1975-07-22 | Robert E Hoffman | Milling machine |
| US3947754A (en) * | 1974-06-03 | 1976-03-30 | Motorola, Inc. | Open loop series regulated power supply |
| US4199712A (en) * | 1979-02-08 | 1980-04-22 | The Singer Company | Motor control system incorporating digital top speed limiting arrangement |
| US4326153A (en) * | 1980-07-11 | 1982-04-20 | Sunbeam Corporation | Feedback motor control circuit |
| US4774444A (en) * | 1987-04-24 | 1988-09-27 | Werner Paul H | Speed control circuit for an electric motor |
| US7509984B2 (en) * | 2004-12-14 | 2009-03-31 | Wmh Tool Group, Inc. | Mortiser and accessories therefor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3123757A (en) * | 1964-03-03 | gaudet | ||
| US3095534A (en) * | 1960-11-22 | 1963-06-25 | Gen Electric | Circuit for controlling energization of a direct current load |
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0
- BE BE646501D patent/BE646501A/xx unknown
-
1963
- 1963-04-16 US US273346A patent/US3249839A/en not_active Expired - Lifetime
-
1964
- 1964-04-15 NL NL6404072A patent/NL6404072A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3249839A (en) | 1966-05-03 |
| NL6404072A (it) | 1964-10-19 |