CH570070A5 - - Google Patents
Info
- Publication number
- CH570070A5 CH570070A5 CH900274A CH900274A CH570070A5 CH 570070 A5 CH570070 A5 CH 570070A5 CH 900274 A CH900274 A CH 900274A CH 900274 A CH900274 A CH 900274A CH 570070 A5 CH570070 A5 CH 570070A5
- Authority
- CH
- Switzerland
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
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
- H02P25/10—Commutator motors, e.g. repulsion 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
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
- H02P25/10—Commutator motors, e.g. repulsion motors
- H02P25/14—Universal motors
- H02P25/145—Universal motors whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value, speed feedback
-
- 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
-
- 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
- Y10S388/935—Specific application:
- Y10S388/937—Hand tool
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Drilling And Boring (AREA)
- Control Of Electric Motors In General (AREA)
- Control Of Direct Current Motors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2334013A DE2334013C3 (de) | 1973-07-04 | 1973-07-04 | Elektromotorisch angetriebene und mit einer Drehzahlregel- oder Steuerelektronik ausgerüstete Hans- oder Schlagbohrmaschine |
Publications (1)
Publication Number | Publication Date |
---|---|
CH570070A5 true CH570070A5 (xx) | 1975-11-28 |
Family
ID=5885911
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH900274A CH570070A5 (xx) | 1973-07-04 | 1974-07-01 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3988656A (xx) |
CH (1) | CH570070A5 (xx) |
DE (1) | DE2334013C3 (xx) |
GB (1) | GB1442487A (xx) |
SE (1) | SE7408788L (xx) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2707833C2 (de) * | 1977-02-23 | 1985-03-21 | Loher Gmbh Elektromotorenwerke, 8399 Ruhstorf | Verfahren zum Betreiben eines Asynchronmotors mit im wesentlichen konstanter Drehzahl bei wechselnder Belastung |
DE2817814C2 (de) * | 1978-04-22 | 1986-06-19 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Elektrische Handbohrmaschine mit einer Drehzahlsteuerung oder -regelung |
EP0033353A1 (en) * | 1980-02-05 | 1981-08-12 | Black & Decker Inc. | Method of controlling the speed of a drill, hammer-drill, or rotary hammer and apparatus therefor |
EP0077526B1 (en) * | 1981-10-15 | 1987-09-16 | Olympus Optical Co., Ltd. | Endoscope system with an electric bending mechanism |
DE3278275D1 (en) * | 1981-10-22 | 1988-05-05 | Olympus Optical Co | Endoscope apparatus with motor-driven bending mechanism |
JPS60153692U (ja) * | 1984-03-23 | 1985-10-14 | アルプス電気株式会社 | モ−タ駆動制御装置 |
US5084633A (en) * | 1990-10-19 | 1992-01-28 | National Semiconductor Corporation | Bidirectional current sensing for power MOSFETS |
US5200597A (en) * | 1991-02-07 | 1993-04-06 | Psc, Inc. | Digitally controlled system for scanning and reading bar codes |
DE4137393C1 (en) * | 1991-11-14 | 1993-05-06 | Hilti Ag, Schaan, Li | Rpm regulator for hammer drill - has connections provided, for selective parallel connection of variable voltage divider |
JP3288432B2 (ja) * | 1992-06-26 | 2002-06-04 | 株式会社マキタ | 直流モータの速度制御装置 |
US5751854A (en) * | 1992-08-03 | 1998-05-12 | Ricoh Company, Ltd. | Original-discrimination system for discriminating special document, and image forming apparatus, image processing apparatus and duplicator using the original-discrimination system |
US6960894B2 (en) * | 2002-08-01 | 2005-11-01 | Stryker Corporation | Cordless, powered surgical tool |
JP5242974B2 (ja) * | 2007-08-24 | 2013-07-24 | 株式会社マキタ | 電動工具 |
US9722334B2 (en) * | 2010-04-07 | 2017-08-01 | Black & Decker Inc. | Power tool with light unit |
US8461785B2 (en) | 2010-09-14 | 2013-06-11 | Dalwinder Singh Sidhu | Speed controller for electric motor |
EP2633617A2 (en) * | 2010-10-27 | 2013-09-04 | Hitachi Koki Co., Ltd. | Power tool system and power supply device |
DE102013202953A1 (de) * | 2013-02-22 | 2014-09-11 | Robert Bosch Gmbh | Handwerkzeugmaschine |
CN105827177B (zh) * | 2015-01-05 | 2020-06-09 | 德昌电机(深圳)有限公司 | 引擎冷却模组 |
CN107453654A (zh) * | 2016-06-01 | 2017-12-08 | 德昌电机(深圳)有限公司 | 风扇及其电机驱动装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3209228A (en) * | 1962-09-28 | 1965-09-28 | Skil Corp | System for controlling electric motors in power tools and the like |
US3278821A (en) * | 1963-10-14 | 1966-10-11 | Gen Electric | Cemf responsive controlled rectifier supply for motors |
DE1277417B (de) * | 1964-03-19 | 1968-09-12 | Singer Co | Anordnung zur selbsttaetigen Drehzahlsteuerung eines Reihenschlussmotors |
DE1463594B2 (de) * | 1964-04-17 | 1971-06-03 | Skil Corp , Chicago. Ill (VStA) | Vorrichtung zur drehzahlsteuerung eines in einem motorwerk zeug angeordneten gleichstrom oder einphasenwechselstrom reihenschlussmotor |
US3327196A (en) * | 1965-04-01 | 1967-06-20 | Carling Electric Inc | Variable speed control for power hand tools and the like |
US3329842A (en) * | 1965-05-11 | 1967-07-04 | Cutler Hammer Inc | Speed controllers for portable devices |
NL134359C (xx) * | 1965-12-27 | |||
US3328613A (en) * | 1966-10-26 | 1967-06-27 | Skil Corp | Speed control system for electrically powered tools of the trigger controlled type |
DE1602904A1 (de) * | 1967-04-12 | 1970-08-13 | Metabowerke Kg | Elektrohandbohrmaschine mit regelbarer Drehzahl |
US3590194A (en) * | 1969-09-19 | 1971-06-29 | Skil Corp | Contact- and circuit-mounting board for trigger-operated switch unit |
-
1973
- 1973-07-04 DE DE2334013A patent/DE2334013C3/de not_active Expired
-
1974
- 1974-06-21 GB GB2755674A patent/GB1442487A/en not_active Expired
- 1974-07-01 CH CH900274A patent/CH570070A5/xx not_active IP Right Cessation
- 1974-07-03 SE SE7408788A patent/SE7408788L/xx unknown
- 1974-07-03 US US05/485,732 patent/US3988656A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE2334013B2 (de) | 1980-10-09 |
SE7408788L (xx) | 1975-02-17 |
US3988656A (en) | 1976-10-26 |
GB1442487A (en) | 1976-07-14 |
DE2334013A1 (de) | 1975-01-23 |
DE2334013C3 (de) | 1982-10-07 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |