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WO1998019388A3 - Speed control for the fan motor of a hot-air appliance - Google Patents

Speed control for the fan motor of a hot-air appliance Download PDF

Info

Publication number
WO1998019388A3
WO1998019388A3 PCT/IB1997/001172 IB9701172W WO9819388A3 WO 1998019388 A3 WO1998019388 A3 WO 1998019388A3 IB 9701172 W IB9701172 W IB 9701172W WO 9819388 A3 WO9819388 A3 WO 9819388A3
Authority
WO
WIPO (PCT)
Prior art keywords
hot
fan motor
speed control
air appliance
motor
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.)
Ceased
Application number
PCT/IB1997/001172
Other languages
French (fr)
Other versions
WO1998019388A2 (en
Inventor
Wilhelmus Gerardus Maria Ettes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Philips Norden AB
Original Assignee
Philips Electronics NV
Philips Norden AB
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 Philips Electronics NV, Philips Norden AB filed Critical Philips Electronics NV
Publication of WO1998019388A2 publication Critical patent/WO1998019388A2/en
Publication of WO1998019388A3 publication Critical patent/WO1998019388A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D20/00—Hair drying devices; Accessories therefor
    • A45D20/22—Helmets with hot air supply or ventilating means, e.g. electrically heated air current
    • A45D20/30—Electric circuitry specially adapted for hair drying devices
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Direct Air Heating By Heater Or Combustion Gas (AREA)
  • Cleaning And Drying Hair (AREA)

Abstract

A hot-air appliance comprises a fan motor (M) connected in series with a heating element (H1) to receive a.c. mains voltage (L, N). The speed of the motor (M) is controlled by periodically short-circuiting the motor (M) by means of an electronic switch (T1).
PCT/IB1997/001172 1996-10-28 1997-09-26 Speed control for the fan motor of a hot-air appliance Ceased WO1998019388A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP96202994.8 1996-10-28
EP96202994 1996-10-28

Publications (2)

Publication Number Publication Date
WO1998019388A2 WO1998019388A2 (en) 1998-05-07
WO1998019388A3 true WO1998019388A3 (en) 1998-06-25

Family

ID=8224525

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB1997/001172 Ceased WO1998019388A2 (en) 1996-10-28 1997-09-26 Speed control for the fan motor of a hot-air appliance

Country Status (1)

Country Link
WO (1) WO1998019388A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7053571B1 (en) * 2005-03-31 2006-05-30 Wayne-Dalton Corp. Electric motor control circuit having reduced electromagnetic interference emissions
CN109617470A (en) * 2018-11-07 2019-04-12 舒可士（深圳）科技有限公司 The control system of hair dryer
IT202300021879A1 (en) 2023-10-19 2025-04-19 Tenacta Group S P A HAIR STYLING DEVICE EQUIPPED WITH AN ELECTRICAL CIRCUIT WITH AT LEAST TWO SAFETY SWITCHES

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3764822A (en) * 1971-07-03 1973-10-09 Philips Corp Arrangement for driving the drum of a washing machine
EP0028386A2 (en) * 1979-11-02 1981-05-13 Robert Bosch Gmbh Control arrangement for a wiper system of motor vehicle wind-shields
US4327278A (en) * 1979-09-10 1982-04-27 Conair Corporation Simplified multiple speed hair dryer
DE3139199A1 (en) * 1981-10-02 1983-04-21 Braun Ag, 6000 Frankfurt Method and arrangement for controlling and regulating the heating power of an electrical heating and/or drying apparatus
US4719395A (en) * 1986-12-22 1988-01-12 Omron Tateisi Electronics Co. Variable speed control switch for an electric tool including a DC motor
US5571062A (en) * 1995-11-02 1996-11-05 Kb Electronics, Inc. Treadmill safety module

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3764822A (en) * 1971-07-03 1973-10-09 Philips Corp Arrangement for driving the drum of a washing machine
US4327278A (en) * 1979-09-10 1982-04-27 Conair Corporation Simplified multiple speed hair dryer
EP0028386A2 (en) * 1979-11-02 1981-05-13 Robert Bosch Gmbh Control arrangement for a wiper system of motor vehicle wind-shields
DE3139199A1 (en) * 1981-10-02 1983-04-21 Braun Ag, 6000 Frankfurt Method and arrangement for controlling and regulating the heating power of an electrical heating and/or drying apparatus
US4719395A (en) * 1986-12-22 1988-01-12 Omron Tateisi Electronics Co. Variable speed control switch for an electric tool including a DC motor
US5571062A (en) * 1995-11-02 1996-11-05 Kb Electronics, Inc. Treadmill safety module

Also Published As

Publication number Publication date
WO1998019388A2 (en) 1998-05-07

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