EP2830463A1 - Tragbare vorrichtung - Google Patents

Tragbare vorrichtung

Info

Publication number
EP2830463A1
EP2830463A1 EP13724320.0A EP13724320A EP2830463A1 EP 2830463 A1 EP2830463 A1 EP 2830463A1 EP 13724320 A EP13724320 A EP 13724320A EP 2830463 A1 EP2830463 A1 EP 2830463A1
Authority
EP
European Patent Office
Prior art keywords
wall
hairdryer
barrier
fluid
appliance
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.)
Withdrawn
Application number
EP13724320.0A
Other languages
English (en)
French (fr)
Inventor
Patrick MOLONEY
Peter Gammack
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.)
Dyson Technology Ltd
Original Assignee
Dyson Technology 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=46160039&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2830463(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dyson Technology Ltd filed Critical Dyson Technology Ltd
Publication of EP2830463A1 publication Critical patent/EP2830463A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45DHAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D20/00Hair drying devices; Accessories therefor
    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45DHAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D20/00Hair drying devices; Accessories therefor
    • A45D20/04Hot-air producers
    • A45D20/08Hot-air producers heated electrically
    • A45D20/10Hand-held drying devices, e.g. air douches
    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45DHAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D20/00Hair drying devices; Accessories therefor
    • A45D20/04Hot-air producers
    • A45D20/08Hot-air producers heated electrically
    • A45D20/10Hand-held drying devices, e.g. air douches
    • A45D20/12Details thereof or accessories therefor, e.g. nozzles, stands
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00Air heaters
    • F24H3/02Air heaters with forced circulation
    • F24H3/04Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0405Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
    • F24H3/0423Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between hand-held air guns

Definitions

  • a Hand Held Appliance This invention relates to a blower and in particular a hot air blower such as a hairdryer.
  • Blowers and in particular hot air blowers are used for a variety of applications such as drying substances such as paint or hair and cleaning or stripping surface layers.
  • a motor and fan are provided which draw fluid into a body; the fluid may be heated prior to exiting the body.
  • the present invention provides a hairdryer comprising a body and a handle connected to the body, wherein the body comprises a tubular inner wall, an outer wall extending about the inner wall, a fluid flow path extending between the inner wall and the outer wall from a fluid inlet into the hairdryer.
  • the outer wall defines an axial length of the body, and the fluid flow path extends along the axial length of the body.
  • the body has an inlet and an outlet end, the inlet end preferably includes the fluid inlet into the hairdryer.
  • the outlet end preferably includes a fluid outlet from the hairdryer.
  • fluid flows from an inlet end of the hairdryer along a fluid flow path located between the inner and outer walls to a fluid outlet.
  • a space defined by the inner wall of the body provides a line of sight through the body.
  • the space within or internal to the inner wall provides a line of sight through the hairdryer.
  • a barrier is provided and the barrier extends at least partially across the inner wall.
  • the barrier is located at one end of the inner wall. It is preferred that the barrier is formed from transparent material.
  • the barrier is a filter.
  • a fan unit is located between the inner wall and the outer wall.
  • the fan unit is supported by a bearing mounted on the inner wall.
  • the barrier is connected to the fan unit for rotation therewith.
  • a motor for driving the fan unit is located between the inner wall and the outer wall.
  • the hairdryer comprise a heater located between the inner wall and the outer wall.
  • the heater is annular in shape.
  • the barrier closes one end of the inner wall.
  • the barrier partially closes one end of the inner wall.
  • the barrier comprises a central aperture.
  • fluid is drawn through the aperture by fluid emitted from the fluid flow path.
  • the inner wall is tubular and defines a space within the body.
  • one end of the inner wall is closed or sealed.
  • fluid can flow through the space defined within the inner wall. Fluid flows from an upstream or inlet end of the body to a downstream of outlet end of the body.
  • the space defined by the inner wall of the body provides a line of sight through the body of the appliance.
  • the seal is transparent or semi-transparent.
  • the seal may provide a magnifying effect on whatever is visible through the distal end of the appliance.
  • the hairdryer comprises a processor for processing fluid in the fluid flow path. It is preferred that the processor comprises the fan assembly and/or a heater.
  • the fan assembly comprises a motor and a fan which is driven by the motor.
  • the fan is provided in the fluid flow path.
  • the motor may be provided in the fluid flow path or in a handle or duct of the hairdryer.
  • the provision of the motor and thus one of the weight contributors of the hairdryer spaced apart from the fan and perhaps the heater means that the hairdryer can be balanced for weight to provide a more comfortable experience for a user.
  • the seal is at the inlet end of the body. This is advantageous as it prevents access to the inner surface of the inner wall which will get hot in the event that a heater is used in the appliance.
  • the inner wall is advantageous to have at least one open end to the inner wall as this provides a convenient method of storage for the appliance.
  • the hole defined by the aperture of the inner wall can be hooked onto a hook or nail for example.
  • the inner and outer walls are preferably substantially circular in shape; alternatively they are oval, rectangular or square. In fact each wall may be a different shape or configuration.
  • a second aspect of the invention provides, a hand held appliance comprising a body and a handle connected to the body, wherein the body comprises a tubular inner wall, an outer wall extending about the inner wall, a fluid flow path extending between the inner wall and the outer wall from a fluid inlet into the hairdryer.
  • Figure 1 shows a rear end perspective of a one handled appliance according to the invention
  • Figure 2 shows a side view of the appliance of Figure 1;
  • Figure 3 shows a sectional view of another appliance
  • Figure 4 shows a rear end perspective of the appliance of Figure 3
  • Figure 5 shows a sectional view of a two handled appliance
  • 6 shows a sectional view of a one handled appliance
  • Figure 7 shows a sectional view across line S-S of Figure 2;
  • Figure 8 shows a sectional view of the appliance of Figure 4.
  • Figure 9 shows a side view of a second appliance according to the invention
  • Figure 10 shows a sectional view along line N-N of Figure 10;
  • Figure 11 shows a rear end perspective of a further appliance according to the invention
  • Figure 12 shows a sectional view along line L-L of Figure 11.
  • Figures 1 and 2 show a first appliance 10, the appliance has a body 12 having a fluid inlet end 12a and a fluid outlet end 12b and a duct or handle 14 which is disposed substantially perpendicular to the body 12.
  • the body 12 has an outer wall 112 and an inner wall 18.
  • the inner wall 18 contains a space or region 20 which is central to the body 12.
  • the annular region 30 between the inner 18 and outer 112 walls defines a primary fluid flow path through the appliance 10.
  • the tubular housing 18 is a duct, pipe or conduit that the generally longer that it is wide and preferably has a substantially circular cross section, however, it may be oval, square, rectangular or another shape.
  • a heater 46 and fan assembly 50, 60 within annular region 30 are located a heater 46 and fan assembly 50, 60.
  • the fan 50 is mounted on a circular bearing 56 and powered by a motor 60. Power from the motor 60 is provided to the fan using a magnetic coupling, gear or belt mechanism 54. Power is provided to the motor 60 using an electric cable 62, which has a standard plug attached to its' distal end (not shown). In this example the cable 62 enters the appliance at the bottom of the handle 14 however, the entry point can be anywhere that would not cause excessive tugging on the cable during use.
  • the bearing 56 need not be circular and can be a discontinuous bearing surface.
  • the motor As the motor is not concentric with the fan which is often the case with conventional appliances of this type, it can be located is a position that is advantageous to handling of the appliance. Therefore, the motor can be positioned so as to balance the weight of the appliance as the motor is not directly attached to the fan and can be remote thereto and also to the heater which is another weight source for the appliance, i.e. the motor can be housed within the fluid flow path 20 or alternatively the motor is located within a duct or handle 14.
  • the fan 50 has a hub 52 which seals the inlet to the inner wall 18, thus the space 20 defined by the inner wall 20 does not have any significant fluid flow through it.
  • the fan blades are of reduced length as they are mounted around the tubular housing 18 rather than centrally to the body of the appliance. This results in a reduction in the amount of fluid that can be drawn in by the fan 50 however, as most of the work is done by the outer part of the fan blades the reduction is not significant.
  • This reduced fan blade length has the advantage that weight of the appliance is reduced.
  • the hub 52 is preferably transparent and made from a durable plastic material such as polycarbonate.
  • the hub 52 can be shaped to provide a magnifying effect on an object that enters the line of sight at the other end of the body 12b.
  • the motor 60 When the appliance is switched on, the motor 60 provides power to the fan 50 and this draws fluid into the primary fluid flow path 30. If the heater 40 is activated, the fluid that is drawn in is heated prior to exiting the body at the outflow end 12b.
  • a fan 150 is provided within the primary fluid flow path 130. Fluid is drawn into the body 112 at an inlet end 112a by the action of the fan 150. The fluid then flows straight along the body to the heater 46 before exiting at the fluid outlet end 112b of the body 112.
  • Figure 5 shows an appliance having two handles 114 and 114b whereas Figures 6 and 7 only have one handle 114.
  • a hubless fan 150 is provided within the primary fluid flow path 130. Fluid is drawn into the body 112 at an inlet end 112a by the action of the hubless fan 150. The fluid then flows straight along the body to the heater 46 before exiting at the fluid outlet end 112b of the body 112. Fluid is entrained through a central fluid flow path 120 and mixes with the heated fluid 130b at the outflow 112b.
  • the hubless fan 150 is mounted on a circular bearing 166 and powered by a motor 46 which, in this embodiment is housed within the primary fluid flow path 130, but could alternatively be located within the duct 114. Power from the motor 46 is provided to the fan using for example, a magnetic coupling or gear or belt mechanism 164.
  • a filter 160 may be provided at the fluid inlet end 112a to protect the fan and motor from ingress of hair and dirt. In this embodiment, there is line of sight through the first or central fluid flow and the fan could be provided in a transparent form.
  • a fan 250 is provided within the primary fluid flow path 230. Fluid is drawn into the body 212 at an inlet end 212a by the action of the fan 250. The fluid then flows straight along the body to the heater 46 before exiting at the fluid outlet end 212b of the body 212.
  • the fan 250 has a hub 270 which fits over the tubular housing 118.
  • the hub 270 has a central aperture 280 through which fluid can flow in a fluid path 220.
  • the fan 250 is mounted on a circular bearing 56 and powered by a motor 46 which, in this embodiment is housed within the primary fluid flow path 230, but could
  • the motor can be located within a duct 14.
  • the motor can be positioned so as to balance the weight of the appliance as the motor is not directly attached to the fan and can be remote thereto and also to the heater which is another weight source for the appliance.
  • Power from the motor 46 is provided to the fan using a magnetic coupling, gear or belt mechanism 64.
  • a filter may be provided at the fluid inlet end 212a to protect the fan and motor from ingress of hair and dirt.
  • the appliance 300 has ducts 314 which are oval in cross-section.
  • ducts 314 which are oval in cross-section.
  • the first is that when the duct is used as a handle it can be easier for a user to grip as the oval shape mimics the shape made by curled figures more precisely than a circular grip
  • the second is that the oval shape can be used to impart directionality to the ducts or handles. This feature is shown in Figure 11 where a first duct/handle 314a is oriented at right angles to a second duct/handle 314b. This directionality can make the appliance easier to use.
  • FIG 11 shows an appliance 400 having a filter 450 which is a grill like filter which covers the primary fluid flow path 430, leaving the majority if not all of the central fluid flow path 20 open and unfiltered.
  • the filter 450 may additionally comprise a mesh of material which is disposed between the grills of the filter.
  • the ducts 14 are generally circular in cross section and are preferably lined with a material 140.
  • This material 140 is for example a foam or felt that is used for one or more of the following: to mitigate noise from the second fluid flow; vibrations from the fan assembly; or as an insulator to retain heat within the fluid flow system of the appliance.
  • the lining material 140 is preferably flared, rounded or chamfered at one or both of the upstream 140a and downstream 140b end of the lining. This can reduce pressure losses in the ducts and assist in reducing the noise generated as a less turbulent flow into/out of the lined portion is provided.
  • the inner opening at one or other end of the appliance can be used to store the appliance for example, by hooking the inner opening onto a retainer such as a hook or nail for convenient storage and retrieval as required.
  • the inner wall 18 is sealed there is no access to this surface at the inlet end of the body 12b for the embodiments described with respect to Figures 5 to 8, the inner wall 118 is not sealed so this wall can be accessed from outside the body and is thus an external wall.
  • the body is generally tubular and has a length that extends along an axial direction.
  • the primary fluid flow path that is drawn into the annular region 30, 130, 230, 430 between the inner and outer walls extends axially along the body from an inlet to an outlet.
  • the primary fluid flow path extends along the body from a hairdryer inlet where fluid enters the hairdryer.
  • the primary fluid flow path extends from an upstream end of the inner wall for example, in the case that the inner wall is recessed within the outer wall.
  • the invention has been described in detail with respect to a hairdryer however, it is applicable to any appliance that draws in a fluid and directs the outflow of that fluid from the appliance.
  • the appliance can be used with or without a heater; the action of the outflow of fluid at high velocity has a drying effect.
  • the fluid that flows through the appliance is generally air, but may be a different combination of gases or gas and can include additives to improve performance of the appliance or the impact the appliance has on an object the output is directed at for example, hair and the styling of that hair.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cleaning And Drying Hair (AREA)
EP13724320.0A 2012-03-30 2013-03-19 Tragbare vorrichtung Withdrawn EP2830463A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB1205699.0A GB201205699D0 (en) 2012-03-30 2012-03-30 A hand held appliance
PCT/GB2013/050701 WO2013144576A1 (en) 2012-03-30 2013-03-19 A hand held appliance

Publications (1)

Publication Number Publication Date
EP2830463A1 true EP2830463A1 (de) 2015-02-04

Family

ID=46160039

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13724320.0A Withdrawn EP2830463A1 (de) 2012-03-30 2013-03-19 Tragbare vorrichtung

Country Status (6)

Country Link
US (1) US20150089828A1 (de)
EP (1) EP2830463A1 (de)
JP (2) JP6060426B2 (de)
CN (3) CN108158183A (de)
GB (2) GB201205699D0 (de)
WO (1) WO2013144576A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10660418B2 (en) 2017-07-14 2020-05-26 Spectrum Brands, Inc. Air-moving appliance including an attachment
US10835007B2 (en) 2017-07-14 2020-11-17 Spectrum Brands, Inc. Hair dryer

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GB201205679D0 (en) 2012-03-30 2012-05-16 Dyson Technology Ltd A hand held appliance
GB201205690D0 (en) 2012-03-30 2012-05-16 Dyson Technology Ltd A hand held appliance
GB201205695D0 (en) 2012-03-30 2012-05-16 Dyson Technology Ltd Hand held appliance
GB201205687D0 (en) 2012-03-30 2012-05-16 Dyson Technology Ltd A hand held appliance
WO2013144572A1 (en) 2012-03-30 2013-10-03 Dyson Technology Limited A hand held appliance
GB201205683D0 (en) 2012-03-30 2012-05-16 Dyson Technology Ltd A hand held appliance
WO2015001307A1 (en) 2013-07-05 2015-01-08 Dyson Technology Limited A handheld appliance
GB2515815B (en) 2013-07-05 2015-12-02 Dyson Technology Ltd A hand held appliance
GB2515809B (en) 2013-07-05 2015-08-19 Dyson Technology Ltd A handheld appliance
GB2515810B (en) 2013-07-05 2015-11-11 Dyson Technology Ltd A hand held appliance
GB2547138B (en) 2013-07-05 2018-03-07 Dyson Technology Ltd An attachment for a handheld appliance
GB2515811B (en) * 2013-07-05 2015-11-11 Dyson Technology Ltd A handheld appliance
GB2515808B (en) 2013-07-05 2015-12-23 Dyson Technology Ltd A handheld appliance
GB2533324B (en) * 2014-12-16 2017-12-13 Dyson Technology Ltd A hand held appliance
GB2543538B (en) * 2015-10-21 2018-05-09 Dyson Technology Ltd A haircare appliance
US10485320B2 (en) * 2016-08-19 2019-11-26 Shih-Ling Hsu Hair dryer
GB2560356B (en) 2017-03-09 2021-05-05 Dyson Technology Ltd A haircare appliance
GB2567661B (en) 2017-10-19 2020-09-09 Dyson Technology Ltd A haircare appliance
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KR102343258B1 (ko) * 2018-09-19 2021-12-27 엘지전자 주식회사 드라이어
CN109452744B (zh) * 2018-12-06 2020-09-29 舒可士(深圳)科技有限公司 便于手持的毛发干燥装置
CN109764002A (zh) * 2019-03-15 2019-05-17 莱克电气股份有限公司 高散热吹风机
CN109998258A (zh) * 2019-05-16 2019-07-12 上海飞科电器股份有限公司 电吹风
US11653737B1 (en) 2021-11-12 2023-05-23 Sharkninja Operating Llc Hair care appliance
USD1021238S1 (en) 2022-06-02 2024-04-02 Sharkninja Operating Llc Hair care appliance
JP7339704B1 (ja) 2022-10-18 2023-09-06 賢 橋本 ヘアドライヤー装置

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10660418B2 (en) 2017-07-14 2020-05-26 Spectrum Brands, Inc. Air-moving appliance including an attachment
US10835007B2 (en) 2017-07-14 2020-11-17 Spectrum Brands, Inc. Hair dryer
US11311090B2 (en) 2017-07-14 2022-04-26 Spectrum Brands, Inc. Hair dryer
US11330884B2 (en) 2017-07-14 2022-05-17 Spectrum Brands, Inc. Air-moving appliance including an attachment

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JP6060426B2 (ja) 2017-01-18
JP2015514462A (ja) 2015-05-21
US20150089828A1 (en) 2015-04-02
CN104244766B (zh) 2018-04-20
WO2013144576A1 (en) 2013-10-03
GB2500802B (en) 2015-05-20
CN108158183A (zh) 2018-06-15
GB201205699D0 (en) 2012-05-16
JP6309066B2 (ja) 2018-04-11
JP2017012865A (ja) 2017-01-19
CN104244766A (zh) 2014-12-24
CN106820532A (zh) 2017-06-13
GB201304991D0 (en) 2013-05-01
GB2500802A (en) 2013-10-02

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