US3855665A - Remote control for vacuum cleaner motor - Google Patents

Remote control for vacuum cleaner motor Download PDF

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Publication number
US3855665A
US3855665A US00315438A US31543872A US3855665A US 3855665 A US3855665 A US 3855665A US 00315438 A US00315438 A US 00315438A US 31543872 A US31543872 A US 31543872A US 3855665 A US3855665 A US 3855665A
Authority
US
United States
Prior art keywords
motor
transformer
phase shifting
shifting network
variable impedance
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 - Lifetime
Application number
US00315438A
Other languages
English (en)
Inventor
O Schwartz
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.)
Electrolux AB
Original Assignee
Electrolux 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
Priority to SE16748/71A priority Critical patent/SE363941B/xx
Application filed by Electrolux AB filed Critical Electrolux AB
Priority to US00315438A priority patent/US3855665A/en
Priority to GB5850172A priority patent/GB1387898A/en
Priority to DE2262296A priority patent/DE2262296A1/de
Priority to NLAANVRAGE7217514,A priority patent/NL168667C/xx
Priority to FR7246178A priority patent/FR2170565A5/fr
Priority to JP47130155A priority patent/JPS4872620A/ja
Priority to US05/517,045 priority patent/US3956688A/en
Application granted granted Critical
Publication of US3855665A publication Critical patent/US3855665A/en
Priority to US05/555,702 priority patent/USRE28920E/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2894—Details related to signal transmission in suction cleaners
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2836—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means characterised by the parts which are controlled
    • A47L9/2842—Suction motors or blowers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2857—User input or output elements for control, e.g. buttons, switches or displays
    • 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
    • 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
    • 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
    • Y10S388/919—Triggered by resistor or capacitor

Definitions

  • a vacuum cleaner with a suction conduit for example, it would be desirable to provide both a means for selectively connecting and disconnecting the power source to the motor as well as controlling the motor speed at a location where the hose or tubular shaft of the vacuum cleaner is gripped by theuser.
  • the present invention relates to a remote control structure fora vacuum cleaner motor or the like which is located in the proximity of the gripping part of the vacuum cleaner.
  • Another object of the present invention is to provide a thyristor device and a phase shifting network controlling the power input to .the motor.
  • FIG. 1 is a perspective view of the vacuum cleaner embodying the remote control device for the motoroperation and speed;
  • FIG. 2 is a circuit diagram of the arrangement constructed in accordance with the teachings of the present invention.
  • FIG. 3 is an enlarged side elevational view of the vacuum cleaner tank.
  • FIGS. 1 and 3 of the drawings the invention is shown in connection with a horizontal type vacuum cleaner 10. It should be understood that it is within the scope of the present invention to utilize the instant arrangement with other vacuum cleaner configurations as well as other household appliances.
  • the vacuum cleaner is provided with a housing section 11 having a front end removable cover 12 and a latch 13.
  • the housing section 11 is also provided with a handle 14.
  • the housing is provided with a set of rear wheels 15 and a front glider 16 for facilitating movement of the vacuum cleaner housing on the floor 2 or other supporting surface.
  • An outlet opening 17 is illustrated in the rear of the housing section 11.
  • I front end cover 12 is provided with an inlet opening 18 through which dust-laden air flows into the housing 1 1.
  • a dust container or bag 19 is removably affixed to the inlet opening 18in the front end cover12 and functions to separate dirt from air.
  • the flow of air through the housing section 11 is caused by a motor and fan unit 20 in which a centrifugal fan'21 is arranged at one end of the electric motor 22.
  • the latter is preferably resiliently mounted at 23 in any suitable manner.
  • the fan 21 receives air which has passed through the dust bag 19 and is substantially free of dust and dirt. The air is discharged from the fan 21 through the motor 22 and finally passes through the rear outlet opening 17 of the housing section 11.
  • a flexible suction hose 26 is removably connected at one end to the inlet opening 18 of the housing section 11.
  • Suitable cleaning appliances such as a nozzle 28 may be connected to a tube or wand 30 which in turn is connected to the outer free end of hose 26.
  • the tubes 30 may be constituted of several interconnected sections in which the overall length of the tube can be selectively increased or diminished.
  • the end of the hose 26 that is remote from the vacuum cleaner 10 is provided with a coupling to the tube 30 which also functions as a grip 32 for manipulating the vacuum cleaner hose 26, and its associated tube 30.
  • a rotatable knob 34 is shown mounted on the exterior of the grip 32 and easily reached by a person handling the grip.
  • the knob is opveratively connected to a variable resistor 36 housed internally in the grip 32.
  • the electrical conductors 38 are encased in an insulated sheath 40 and have a series of insulated mountings 42 positioned at intervals along the hose 26.
  • the conductors 38 connect the variable resistor 36 to the circuit T shown in FIGS. 2 and 3.
  • a vacuum cleaner motor 44 has power supplied to it from an alternating current source 46 through a symmetric thyrister 48, which is also known as a triac.
  • the control electrode or gate 49 of the thyristor 48 is connected to a diac 50, which is a bidirectional symmetric diode, which in turn is coupled to a phase-shifting network including a resistor 51 and a capacitor 52.
  • a compensating network comprising a resistor 53 and a capacitor 54 is included in the circuit.
  • a step-down transformer 55 is shown connected in the circuit in which the primary winding 56 is coupled tothe phase-shifting network comprising a resistor 51 and a capacitor 52.
  • the conductors 38 which are low voltage conductors hereinbefore referred to, couple the secondary winding 57 of the transformer 55 to the variable resistor 36.
  • the latter is in turn connected to the operating knob 34 on the grip 32. It should be noted that the number of turns of the secondary winding 57 is such that the magnitude of the voltage in the low voltage circuit 57, 38, 36 is maintained at a continuously low value.
  • the primary winding 56 will function as a variable impedance coupled to the phase-shifting network that controls the firing times of the thyristor 48, and by variation of resistance of the variable resispled to the phase-shifting network in such a manner that the impedance of the p rimary winding 56 will be connected in parallel with the capacitor 52.
  • a desirable I result of this parallel circuit is an advantageous 'curve shape of the control pulses of the thyristor 48.
  • the speed of the vacuum cleaner motor and hence the suction capability of the apparatus can be regulated easily by the rotatable knob 34 mounted on the grip 32. Furthermore, the motor 44 can be started and stopped by means of the knob 34.
  • the present construction is a great convenience to the user in that it is not required to bend toward the vacuum cleaner housing 11 each time in order to regulate or stop start the apparatus.
  • the present invention provided an extremely simple but reliable arrangement for control of motor speed by low voltage. Furthermore, the operating circuit of the apparatus can also be a very simple design while still fulfilling the safety requirements prescribed by law.
  • floor in the expression floor-care is intended not only to cover floors but also surfaces like rugs, carpets and other floor coverings, for example.
  • a remote control arrangement for a vacuum cleaner provided with a motor having an electrical energy source, a flexible hose, a cleaning appliance, a
  • coupling means operatively connecting the flexible hose with the cleaning appliance, said coupling means also functioning as a hand grip comprising a. an electrical circuitadapted to connect the source of electrical energy to'the motor and including 1. a thyristor device provided with a phase shifting network controlling the power input to the movtor,
  • a second variable impedance including the secondary winding of the transformer and a variable resistor located at a distance from the motor, an operating member for the variable resistor located on said hand grip, and a low voltage conduit positioned on said hose coupling the variable resistor to the secondary winding of the transformer,
  • phase shifting network including a capacitor coupled in parallel to the primary winding of said transformer whereby a desirable curve shape of said control pulses of said thyristor is produced.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Electric Vacuum Cleaner (AREA)
  • Control Of Ac Motors In General (AREA)
  • Control Of Direct Current Motors (AREA)
US00315438A 1971-12-28 1972-12-15 Remote control for vacuum cleaner motor Expired - Lifetime US3855665A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
SE16748/71A SE363941B (fr) 1971-12-28 1971-12-28
US00315438A US3855665A (en) 1971-12-28 1972-12-15 Remote control for vacuum cleaner motor
GB5850172A GB1387898A (en) 1971-12-28 1972-12-19 Appliance having an electric motor
DE2262296A DE2262296A1 (de) 1971-12-28 1972-12-20 Vorrichtung zur fernsteuerung der motordrehzahl eines haushaltsgeraets
NLAANVRAGE7217514,A NL168667C (nl) 1971-12-28 1972-12-22 Inrichting voor het variabel instellen van de snelheid van een van een elektromotor voorzien huishoudtoestel of dergelijk apparaat.
FR7246178A FR2170565A5 (fr) 1971-12-28 1972-12-26
JP47130155A JPS4872620A (fr) 1971-12-28 1972-12-27
US05/517,045 US3956688A (en) 1971-12-28 1974-10-23 Remote control phase shift circuit for thyristor
US05/555,702 USRE28920E (en) 1971-12-28 1975-03-05 Remote control for vacuum cleaner motor

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE16748/71A SE363941B (fr) 1971-12-28 1971-12-28
US00315438A US3855665A (en) 1971-12-28 1972-12-15 Remote control for vacuum cleaner motor
US05/517,045 US3956688A (en) 1971-12-28 1974-10-23 Remote control phase shift circuit for thyristor
US05/555,702 USRE28920E (en) 1971-12-28 1975-03-05 Remote control for vacuum cleaner motor

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US05/517,045 Division US3956688A (en) 1971-12-28 1974-10-23 Remote control phase shift circuit for thyristor
US05/555,702 Reissue USRE28920E (en) 1971-12-28 1975-03-05 Remote control for vacuum cleaner motor

Publications (1)

Publication Number Publication Date
US3855665A true US3855665A (en) 1974-12-24

Family

ID=27484561

Family Applications (3)

Application Number Title Priority Date Filing Date
US00315438A Expired - Lifetime US3855665A (en) 1971-12-28 1972-12-15 Remote control for vacuum cleaner motor
US05/517,045 Expired - Lifetime US3956688A (en) 1971-12-28 1974-10-23 Remote control phase shift circuit for thyristor
US05/555,702 Expired - Lifetime USRE28920E (en) 1971-12-28 1975-03-05 Remote control for vacuum cleaner motor

Family Applications After (2)

Application Number Title Priority Date Filing Date
US05/517,045 Expired - Lifetime US3956688A (en) 1971-12-28 1974-10-23 Remote control phase shift circuit for thyristor
US05/555,702 Expired - Lifetime USRE28920E (en) 1971-12-28 1975-03-05 Remote control for vacuum cleaner motor

Country Status (7)

Country Link
US (3) US3855665A (fr)
JP (1) JPS4872620A (fr)
DE (1) DE2262296A1 (fr)
FR (1) FR2170565A5 (fr)
GB (1) GB1387898A (fr)
NL (1) NL168667C (fr)
SE (1) SE363941B (fr)

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4031458A (en) * 1975-03-20 1977-06-21 Olympus Optical Co., Ltd. A.C. voltage regulator employing thyristor
DE2734051A1 (de) * 1977-07-28 1979-02-15 Licentia Gmbh Staubsauger
EP0005218A2 (fr) * 1978-05-02 1979-11-14 Siemens Aktiengesellschaft Aspirateur de poussière équipé d'un dispositif de régulation de la vitesse de rotation du groupe moteur-ventilateur
FR2470580A1 (fr) * 1979-11-28 1981-06-12 Duepro Ag Equipement a brosse entraine par un moteur electrique pour aspirateurs domestiques
DE3222458A1 (de) * 1981-06-18 1983-01-20 Electrolux Ab Fernsteuerung fuer einen staubsaugermotor
US4611365A (en) * 1983-02-12 1986-09-16 Matsushita Electric Industrial Co., Ltd. Vacuum cleaner
US5274878A (en) * 1991-07-23 1994-01-04 Cen-Tec Systems Inc. Remote control system for central vacuum systems
US5283922A (en) * 1991-09-03 1994-02-08 Horst K Lunder Gmbh Pipe cleaning tool
US5363534A (en) * 1992-06-19 1994-11-15 U.S. Philips Corporation Vacuum cleaner and suction tube for use with a vacuum cleaner
WO1996025788A1 (fr) * 1995-02-16 1996-08-22 Philips Electronics N.V. Dispositif de conversion d'une valeur de resistance en un signal de commande en fonction de la valeur de resistance, et appareil electrique integrant ledit dispositif
US6212732B1 (en) * 1995-03-15 2001-04-10 Hitachi, Ltd. Vacuum cleaner and suction nozzle body therefor
US6239576B1 (en) * 1998-09-04 2001-05-29 Beamco, Inc. Safe Class-2 motor control circuit and method adapted for electric vacuum cleaning system suction motor and agitator motor control
US6282749B1 (en) 1995-03-15 2001-09-04 Hitachi, Ltd. Vacuum cleaner and suction nozzle body thereof cross reference to related application
US6324722B1 (en) * 1997-12-24 2001-12-04 Toshiba Tec Kabushiki Kaisha Vacuum-cleaner with recirculation of exhaust air
US20020152576A1 (en) * 2001-04-20 2002-10-24 Pro-Team, Inc. An Idaho Corporation Method and apparatus for improved use, maintenance and management of floor maintenance equipment
US20020165204A1 (en) * 1999-04-21 2002-11-07 Unitech Pharmaceuticals, Inc. Carboplatin analogs for cancer treatment
US20050254185A1 (en) * 2004-05-12 2005-11-17 Cunningham J V Central vacuum cleaning system control subsystems
GB2426922A (en) * 2003-07-25 2006-12-13 Milwaukee Electric Tool Corp Electrical Component
US20070079466A1 (en) * 2005-10-07 2007-04-12 Cube Investments Limited Central vacuum cleaner multiple vacuum source control
US20070079467A1 (en) * 2005-10-07 2007-04-12 Cube Investments Limited Central vacuum cleaner cross-controls
US7900315B2 (en) 2005-10-07 2011-03-08 Cube Investments Limited Integrated central vacuum cleaner suction device and control
US8096014B2 (en) 2005-10-07 2012-01-17 Cube Investments Limited Central vacuum cleaner control, unit and system with contaminant sensor
DE102011004295A1 (de) * 2011-02-17 2012-08-23 BSH Bosch und Siemens Hausgeräte GmbH Fernbetätigungseinrichtung für ein Bodenreinigungsgerät, Bodenreinigungsgerät und Verfahren zum Betrieb eines Bodenreinigungsgeräts
US8516653B2 (en) 2004-09-17 2013-08-27 Cube Investments Limited Cleaner handle and cleaner handle housing sections

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FR2446030A1 (fr) * 1979-01-04 1980-08-01 Lenoir Raoul Ets Commande d'inversion de polarites, en particulier pour l'alimentation d'un electroporteur
FR2520395A1 (fr) * 1982-01-26 1983-07-29 Esswein Sa Appareil electromenager tel qu'un lave-linge ou un lave-vaisselle a commande electronique
DE3722177C2 (de) * 1987-07-04 1994-07-14 Festo Kg Stromversorgungseinrichtung mit wenigstens einem über ein Verbindungskabel daran anschließbaren Elektrowerkzeug
US5507067A (en) * 1994-05-12 1996-04-16 Newtronics Pty Ltd. Electronic vacuum cleaner control system
GB2330462B (en) * 1997-10-16 1999-12-01 Kwangju Electronics Co Limited Harmonic current attenuating apparatus of a motor
DE19802711C2 (de) * 1998-01-24 2003-06-05 Wap Reinigungssysteme Leistungsreduzierung einer Doppelturbine in Schmutzsaugern
DE10015398A1 (de) * 2000-03-28 2001-10-11 Bosch Gmbh Robert Elektrogerät
US20060070206A1 (en) * 2004-10-04 2006-04-06 Panasonic Corporation Of North America Floor cleaning apparatus with wireless control interface
BRPI0613240A2 (pt) * 2005-06-06 2012-12-04 Lutron Electronics Co aparelho e método e apararelho para controlar a velocidade de um motor variável silencioso
US7489094B2 (en) * 2005-11-18 2009-02-10 Lutron Electronics Co., Inc. Method and apparatus for quiet fan speed control
CN111562765B (zh) * 2020-06-18 2021-08-10 广东电网有限责任公司 一种变压器调压开关遥控调档装置

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US3417320A (en) * 1966-03-31 1968-12-17 Sprague Electric Co Low noise control circuit
US3579706A (en) * 1968-11-12 1971-05-25 Whirlpool Co Vacuum cleaner motor control
US3636285A (en) * 1969-08-07 1972-01-18 Dayco Corp Vacuum cleaner hose assembly

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US3323017A (en) * 1964-01-28 1967-05-30 United Aircraft Corp Overload protector for a source of electrical energy
US3524078A (en) * 1967-07-07 1970-08-11 Hunt Electronics Corp Power control circuits
US3512077A (en) * 1967-07-26 1970-05-12 Athena Controls Temperature control system with isolated control circuit
US3535615A (en) * 1967-11-06 1970-10-20 Gen Electric Power control circuits including a bidirectional current conducting semiconductor
US3857076A (en) * 1973-01-15 1974-12-24 Whirlpool Co Upright vacuum cleaner{13 drive motor control

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3417320A (en) * 1966-03-31 1968-12-17 Sprague Electric Co Low noise control circuit
US3579706A (en) * 1968-11-12 1971-05-25 Whirlpool Co Vacuum cleaner motor control
US3636285A (en) * 1969-08-07 1972-01-18 Dayco Corp Vacuum cleaner hose assembly

Cited By (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4031458A (en) * 1975-03-20 1977-06-21 Olympus Optical Co., Ltd. A.C. voltage regulator employing thyristor
DE2734051A1 (de) * 1977-07-28 1979-02-15 Licentia Gmbh Staubsauger
EP0005218A2 (fr) * 1978-05-02 1979-11-14 Siemens Aktiengesellschaft Aspirateur de poussière équipé d'un dispositif de régulation de la vitesse de rotation du groupe moteur-ventilateur
EP0005218A3 (fr) * 1978-05-02 1979-11-28 Siemens Aktiengesellschaft Aspirateur de poussière équipé d'un dispositif de régulation de la vitesse de rotation du groupe moteur-ventilateur
FR2470580A1 (fr) * 1979-11-28 1981-06-12 Duepro Ag Equipement a brosse entraine par un moteur electrique pour aspirateurs domestiques
US4370777A (en) * 1979-11-28 1983-02-01 Duepro Ag Electric motor control for vacuum cleaner
DE3222458A1 (de) * 1981-06-18 1983-01-20 Electrolux Ab Fernsteuerung fuer einen staubsaugermotor
US4419783A (en) * 1981-06-18 1983-12-13 Aktiebolaget Electrolux Remote control for a vacuum cleaner motor
US4611365A (en) * 1983-02-12 1986-09-16 Matsushita Electric Industrial Co., Ltd. Vacuum cleaner
US5274878A (en) * 1991-07-23 1994-01-04 Cen-Tec Systems Inc. Remote control system for central vacuum systems
US5283922A (en) * 1991-09-03 1994-02-08 Horst K Lunder Gmbh Pipe cleaning tool
US5363534A (en) * 1992-06-19 1994-11-15 U.S. Philips Corporation Vacuum cleaner and suction tube for use with a vacuum cleaner
WO1996025788A1 (fr) * 1995-02-16 1996-08-22 Philips Electronics N.V. Dispositif de conversion d'une valeur de resistance en un signal de commande en fonction de la valeur de resistance, et appareil electrique integrant ledit dispositif
US6212732B1 (en) * 1995-03-15 2001-04-10 Hitachi, Ltd. Vacuum cleaner and suction nozzle body therefor
US6282749B1 (en) 1995-03-15 2001-09-04 Hitachi, Ltd. Vacuum cleaner and suction nozzle body thereof cross reference to related application
US6324722B1 (en) * 1997-12-24 2001-12-04 Toshiba Tec Kabushiki Kaisha Vacuum-cleaner with recirculation of exhaust air
US6239576B1 (en) * 1998-09-04 2001-05-29 Beamco, Inc. Safe Class-2 motor control circuit and method adapted for electric vacuum cleaning system suction motor and agitator motor control
US20020165204A1 (en) * 1999-04-21 2002-11-07 Unitech Pharmaceuticals, Inc. Carboplatin analogs for cancer treatment
US20020152576A1 (en) * 2001-04-20 2002-10-24 Pro-Team, Inc. An Idaho Corporation Method and apparatus for improved use, maintenance and management of floor maintenance equipment
GB2426922A (en) * 2003-07-25 2006-12-13 Milwaukee Electric Tool Corp Electrical Component
GB2426920A (en) * 2003-07-25 2006-12-13 Milwaukee Electric Tool Corp Electrical component
GB2405787B (en) * 2003-07-25 2007-01-31 Milwaukee Electric Tool Corp Air flow-producing device, such a s a vacuum cleaner or blower
GB2426920B (en) * 2003-07-25 2007-06-13 Milwaukee Electric Tool Corp Air flow-producing device, such as a vacuum cleaner or a blower
GB2426922B (en) * 2003-07-25 2007-09-19 Milwaukee Electric Tool Corp Air flow-producing device, such as a vacuum cleaner or a blower
US7712182B2 (en) 2003-07-25 2010-05-11 Milwaukee Electric Tool Corporation Air flow-producing device, such as a vacuum cleaner or a blower
US11503973B2 (en) 2004-05-12 2022-11-22 Cube Investments Limited Central vacuum cleaning system control subsystems
US10582824B2 (en) 2004-05-12 2020-03-10 Cube Investments Limited Central vacuum cleaning system control subsystems
US7403360B2 (en) 2004-05-12 2008-07-22 Cube Investments Limited Central vacuum cleaning system control subsystems
US20080184519A1 (en) * 2004-05-12 2008-08-07 Cube Investments Limited Central vacuum cleaning system control subsystems
US20050254185A1 (en) * 2004-05-12 2005-11-17 Cunningham J V Central vacuum cleaning system control subsystems
US9693667B2 (en) 2004-05-12 2017-07-04 Cube Investments Limited Central vacuum cleaning system control subsytems
US8516653B2 (en) 2004-09-17 2013-08-27 Cube Investments Limited Cleaner handle and cleaner handle housing sections
US7900315B2 (en) 2005-10-07 2011-03-08 Cube Investments Limited Integrated central vacuum cleaner suction device and control
US8096014B2 (en) 2005-10-07 2012-01-17 Cube Investments Limited Central vacuum cleaner control, unit and system with contaminant sensor
US8732895B2 (en) 2005-10-07 2014-05-27 Cube Investments Limited Central vacuum cleaner multiple vacuum source control
US7958594B2 (en) 2005-10-07 2011-06-14 Cube Investments Limited Central vacuum cleaner cross-controls
US20070079467A1 (en) * 2005-10-07 2007-04-12 Cube Investments Limited Central vacuum cleaner cross-controls
US20070079466A1 (en) * 2005-10-07 2007-04-12 Cube Investments Limited Central vacuum cleaner multiple vacuum source control
DE102011004295A1 (de) * 2011-02-17 2012-08-23 BSH Bosch und Siemens Hausgeräte GmbH Fernbetätigungseinrichtung für ein Bodenreinigungsgerät, Bodenreinigungsgerät und Verfahren zum Betrieb eines Bodenreinigungsgeräts
DE102011004295B4 (de) * 2011-02-17 2013-09-05 BSH Bosch und Siemens Hausgeräte GmbH Fernbetätigungseinrichtung für ein Bodenreinigungsgerät, Bodenreinigungsgerät und Verfahren zum Betrieb eines Bodenreinigungsgeräts

Also Published As

Publication number Publication date
GB1387898A (en) 1975-03-19
JPS4872620A (fr) 1973-10-01
USRE28920E (en) 1976-08-03
NL168667C (nl) 1981-11-16
NL168667B (nl) 1981-11-16
SE363941B (fr) 1974-02-04
US3956688A (en) 1976-05-11
DE2262296A1 (de) 1973-07-12
FR2170565A5 (fr) 1973-09-14
NL7217514A (fr) 1973-07-02

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