HK1006243A1 - Power tool speed controller - Google Patents

Power tool speed controller

Info

Publication number
HK1006243A1
HK1006243A1 HK98104816A HK98104816A HK1006243A1 HK 1006243 A1 HK1006243 A1 HK 1006243A1 HK 98104816 A HK98104816 A HK 98104816A HK 98104816 A HK98104816 A HK 98104816A HK 1006243 A1 HK1006243 A1 HK 1006243A1
Authority
HK
Hong Kong
Prior art keywords
power tool
speed controller
tool speed
controller
power
Prior art date
Application number
HK98104816A
Inventor
Hin Ming Lam
Original Assignee
Defond Mfg Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Defond Mfg Ltd filed Critical Defond Mfg Ltd
Publication of HK1006243A1 publication Critical patent/HK1006243A1/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C10/00—Adjustable resistors
    • H01C10/46—Arrangements of fixed resistors with intervening connectors, e.g. taps
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H01H9/06—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner
    • H01H9/061—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner enclosing a continuously variable impedance
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H01H9/06—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner
    • H01H9/063—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner enclosing a reversing switch

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Adjustable Resistors (AREA)
HK98104816A 1996-07-02 1998-06-03 Power tool speed controller HK1006243A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9613835A GB2314980B (en) 1996-07-02 1996-07-02 Power tool speed controller

Publications (1)

Publication Number Publication Date
HK1006243A1 true HK1006243A1 (en) 1999-02-19

Family

ID=10796193

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98104816A HK1006243A1 (en) 1996-07-02 1998-06-03 Power tool speed controller

Country Status (2)

Country Link
GB (1) GB2314980B (en)
HK (1) HK1006243A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2380336B (en) * 2000-11-03 2003-09-03 Visteon Global Tech Inc Electrical circuit for a vehicle
US6548993B1 (en) 2000-11-03 2003-04-15 Visteon Global Technologies, Inc. Power supply module having internal energy storage circuit for stable oscillation
WO2011159674A1 (en) 2010-06-14 2011-12-22 Black & Decker Inc. Stator assembly for a brushless motor in a power tool
US9401250B2 (en) 2011-05-19 2016-07-26 Black & Decker, Inc. Electronic switching module for a power tool
US9450471B2 (en) 2012-05-24 2016-09-20 Milwaukee Electric Tool Corporation Brushless DC motor power tool with combined PCB design
CN103121120B (en) * 2013-02-01 2015-10-28 宁波市海联电器有限公司 Electric drill
US9787159B2 (en) 2013-06-06 2017-10-10 Milwaukee Electric Tool Corporation Brushless DC motor configuration for a power tool
CN103660994A (en) * 2013-07-26 2014-03-26 广东星辉车模股份有限公司 Baby carrier speed change drive circuit
PL3054825T3 (en) 2013-11-27 2017-11-30 Koninklijke Philips N.V. Kitchen appliances with speed control
EP2946886B1 (en) 2014-03-28 2017-02-22 Black & Decker Inc. Electronic switch and control module for a power tool
DE102017125055A1 (en) 2017-05-05 2018-11-08 Defond Components Limited Variable speed controller for use with an electrical device
US10541588B2 (en) 2017-05-24 2020-01-21 Black & Decker Inc. Electronic power module for a power tool having an integrated heat sink
US10608501B2 (en) 2017-05-24 2020-03-31 Black & Decker Inc. Variable-speed input unit having segmented pads for a power tool
TWI730281B (en) 2018-01-03 2021-06-11 美商米沃奇電子工具公司 Electronic braking in a power tool

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH422957A (en) * 1965-03-19 1966-10-31 Mefina Sa Variable resistance adjustment device for an electric motor, in particular for driving a sewing machine
US4241298A (en) * 1979-01-22 1980-12-23 Teccor Electronics, Inc. Speed control switch
EP0076039A1 (en) * 1981-08-31 1983-04-06 Capax Electrische Apparatenfabriek B.V. Speed control for power tools having a DC motor
DE3821562C1 (en) * 1988-06-25 1990-02-08 Telefunken Electronic Gmbh, 7100 Heilbronn, De

Also Published As

Publication number Publication date
GB9613835D0 (en) 1996-09-04
GB2314980A (en) 1998-01-14
GB2314980B (en) 2000-06-28

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20060702