EP2740383A2 - Sèche-cheveux - Google Patents

Sèche-cheveux Download PDF

Info

Publication number
EP2740383A2
EP2740383A2 EP13195272.3A EP13195272A EP2740383A2 EP 2740383 A2 EP2740383 A2 EP 2740383A2 EP 13195272 A EP13195272 A EP 13195272A EP 2740383 A2 EP2740383 A2 EP 2740383A2
Authority
EP
European Patent Office
Prior art keywords
wall
attachment
flow
flow channel
hair dryer
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.)
Granted
Application number
EP13195272.3A
Other languages
German (de)
English (en)
Other versions
EP2740383B1 (fr
EP2740383A3 (fr
Inventor
Berthold Altmann
Daniela Blischke
Thomas Dr. Copitzky
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
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 BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP2740383A2 publication Critical patent/EP2740383A2/fr
Publication of EP2740383A3 publication Critical patent/EP2740383A3/fr
Application granted granted Critical
Publication of EP2740383B1 publication Critical patent/EP2740383B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • A45D20/04—Hot-air producers
    • A45D20/08—Hot-air producers heated electrically
    • A45D20/10—Hand-held drying devices, e.g. air douches
    • A45D20/12—Details thereof or accessories therefor, e.g. nozzles, stands
    • A45D20/122—Diffusers, e.g. for variable air flow
    • 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
    • A45D20/04—Hot-air producers
    • A45D20/08—Hot-air producers heated electrically
    • A45D20/10—Hand-held drying devices, e.g. air douches
    • A45D20/12—Details thereof or accessories therefor, e.g. nozzles, stands

Definitions

  • the present invention relates to a hair dryer with a fan for generating a warm air flow and with an attachment according to the preamble of claim 1.
  • the invention further relates to such an attachment for such a hair dryer.
  • Hair dryers are commonly used to dry damp or wet hair.
  • the hot air flow generated thereby is usually generated by means of a fan and blown out via an attachment of the hair dryer, wherein the blower or the hair dryer for heating the air corresponding components, such as heating elements and the like may have.
  • said attachment it is in principle possible to make said attachment removable, so that different attachments of the hair dryer can be used for different purposes.
  • the disadvantage here is that the attached to the hair dryer essay during operation of the hair dryer due to the hot air flow, which may have a temperature of about 100 ° C and more, is strongly heated. Consequently, the heated attachment can not be safely removed from the hair dryer by a user of the hair dryer during operation of the hair dryer or shortly after switching off the hair dryer and / or only with suitable protective measures, for example to replace the attachment with another attachment. Sometimes, contact of the user with the attachment during operation of the hair dryer or immediately after switching off the hair dryer can cause burns. An alternative would be an undesirable waiting time, which is required after switching off the hair dryer until the essay has cooled down so far that a touch of the essay is safely possible.
  • the present invention addresses the problem of providing a hair dryer of the type mentioned and its article an improved or at least alternative embodiment, which is characterized in particular by improved handling.
  • the present invention is based on the general idea of an attachment of a hair dryer over which a hot air flow is blown for drying hair, at least partially multi-wall form, so that a remote from the warm air flow outer wall of the multi-walled essay has a reduced caused by the hot air flow temperature increase and so it is protected in the factory from excessive heating.
  • the article can be removed from the hair dryer during operation of the hair dryer and / or immediately or shortly after switching off the hair dryer, without this injury, especially burns and / or an unpleasant feeling are to be feared and / or additional funds are necessary.
  • multi-walled means in particular that the attachment is designed to be at least double-walled in the corresponding area and thus has at least two walls.
  • the hair dryer has a fan for generating the hot air flow, which flows through an interior of the essay and is blown over the attachment, wherein the attachment is designed to be removable so that it can be removed from the hair dryer and / or placed on the hair dryer.
  • the attachment is at least partially multi-walled. This means that the attachment at least partially has an inner wall and the outer wall, between which an intermediate space of the attachment is formed or arranged, so that the outer wall is also protected during operation of the hair dryer from excessive heating. In this case, in particular a heat transfer from the inner wall is reduced to the outer wall, wherein the heat transfer both directly or indirectly via a contact so contactless, for example by thermal radiation, can be done.
  • the inner wall of the warm air flow faces and can accordingly surround the interior of the essay, while the outer wall of the remote from the warm air flow or removed outer wall of the essay, which surrounds the gap of the attachment together with the inner wall.
  • the article with more than two walls can thus be arranged between the inner wall and the outer wall at least one intermediate wall, which is thus arranged in the intermediate space.
  • the intermediate space is in particular a space different from the interior, for example a cavity.
  • those regions of the attachment are preferably multi-walled, which have a comparatively high temperature during operation of the hair dryer and / or are touched by a user to remove the attachment.
  • At least two of the walls of the attachment are spaced from each other.
  • the inner wall and the outer wall are at least partially spaced from each other. This has the particular advantage that the heat of the heated or heated by the warm air flow inside wall in this area is not directly, that is, by direct contact, transferable to the outer wall.
  • a flow channel is formed between the inner wall and the outer wall.
  • This flow channel can be formed in particular by such a cavity formed between the inner wall and the outer wall and / or by the intermediate space of the attachment.
  • the flow channel serves the purpose of allowing a flow in the intermediate space or the cavity, wherein the flow is, for example, air flow.
  • the flow channel is preferably connected on the input side, that is to say in a region remote from an outlet opening of the attachment, to the environment. By such a connection with the environment ambient air can enter the flow channel, which in particular reduces the heat transfer of the inner wall to the outer wall.
  • the flow channel is also the output side, that is, in the region of the outlet, additionally connected to the environment.
  • the flow channel on the input side can be additionally connected to the hot air flow generated by the fan or allow the inflow of a certain, preferably low, proportion of hot air flow into the flow channel.
  • a portion of the hot air flow flows into the flow channel, whereby the flow is increased within the flow channel from the input side to the output side.
  • the flow channel between the inner wall and the outer wall may, as mentioned above, be formed in particular by means of at least one such web.
  • the web can be designed and / or arranged such that it influences the flow within the flow channel as little as possible or targeted. So are for example, variants conceivable in which at least one such web is designed or configured as a flow guide.
  • Such a web can be shaped and / or arranged within the flow channel such that a targeted deflection of the flow within the flow channel is effected. This can be realized, for example, such that in this way the flow path within the flow channel is lengthened in order in particular to achieve improved cooling of the outer wall.
  • At least one such web may extend along the flow within the flow channel.
  • the hair dryer or the attachment in particular by means of the flow channel, designed such that these areas of the outer wall are sufficiently cooled and / or that these areas of the wall allow a safe hands.
  • the outer wall can have a marking in the region of such a bar. The marking can be realized optically, for example in the form of a coloring, which signals to the user that this area of the attachment has an elevated temperature compared to other areas of the attachment.
  • a region alternatively or additionally with a haptic marking, wherein the haptic marking in addition to or as an alternative to said indication function can bring about a reduced temperature in the respective region.
  • a haptic marking can be produced for example by means of flocking. It is also conceivable to design such a haptic marking as a wall spaced from the outer wall.
  • the removable attachment can be configured and / or designed as desired.
  • the attachment is designed as a nozzle, an ondulier nozzle or as a diffuser or a mixture thereof.
  • the outer wall is formed in preferred embodiments of a material having a low thermal conductivity or made of such a material.
  • the outer wall may be formed in particular of a foamed plastic.
  • attachment does not necessarily have to be removable from the hair dryer to achieve advantages of the invention.
  • a hair dryer 1 has a housing 2 in which a blower 3 is arranged. Upstream of the blower 3, which may be configured for example as a fan, the housing 2 has a plurality of air inlet openings 4 to suck in air from the environment by means of the blower 3 and blow through an attachment 5 of the hair dryer 1.
  • the attachment 5 is detachably mounted on a hot air duct 8 of the hair dryer 1, projects from which a handle 9, on the end remote from the fan 3, an electrical connection for supplying the electrical components of the hair dryer 1, ie in particular the blower 3 and the heating element implemented is.
  • Fig. 2 shows a longitudinal section along the hot air duct 8 of the hair dryer 1 in the region of the article 5.
  • the article 5 is formed Mowandig, wherein the article in the embodiment shown two walls 10, 11 and thus is double-walled.
  • the attachment 5 has a warm air flow 6 facing or adjacent inner wall 10 and a remote from the warm air flow 6 or removed outer wall 11.
  • the inner wall 10 surrounds an inner space 25 of the attachment, through which the warm air flow 6 flows and is blown out of the outlet opening 7.
  • the inner wall 10 and the outer wall 11 surround a space 26 of the attachment 5 which is remote from the inner space 25.
  • the inner wall 10 and the outer wall 11 are arranged at a distance from each other and connected to one another by means of at least one web 12, two such webs 12 being shown in the example shown are. Due to the spaced arrangement of the inner wall 10 and the outer wall 11 and due to the gap 26 is formed between the inner wall 10 and the outer wall 11, a flow channel 13, the input side, that is on the hot air channel 8 side facing the environment 14 is connected. In addition, the flow channel 13 also on the output side, that is in the region of the outlet opening 7, connected to the environment 14, so that here an air flow within the flow channel 13 is possible.
  • the ambient air 15 originating from the environment 14 flows into the flow channel 13 via the inlet-side connection and flows through the flow channel 13 in order subsequently to flow out of the flow channel 13 via the outlet-side connection with the environment 14. Said flow is due in particular to the fact that the hot air flow 6 flowing out of the outlet opening 7 generates a suction in the region of the outlet-side connection of the flow channel 13.
  • the flow channel 13 is additionally connected on the input side with the hot air flow 6 and the hot air duct 8 such that a part of the hot air flow 6 enters the input side of the flow channel 13 in this.
  • the hot air flow 6 reaching into the flow channel 13 is mixed with the ambient air 15 passing through the input side into the flow channel 13, whereby the warm air flow 6 is cooled and a mixed flow 16 flows through the flow channel 13.
  • an improved cooling of the outer wall 11 is achieved by means of the mixed flow 16 flowing from the mixture of the hot air flow 6 and the ambient air 15 through the flow channel 13. It is understood that the respective web 12 is not closed in the circumferential direction in order to ensure a fluidic connection of the inlet-side connections of the flow channel 13 with the outlet-side connection of the flow channel 13.
  • the webs 12 extend along the flow flowing in the flow channel 13, that is to say in particular along the mixed flow 16 and the hot air flow 6 and the ambient air 15, in order to ensure a flow through the flow channel 13 that is as unhindered as possible.
  • Fig. 3 shows another embodiment of the hair dryer 1 and the attachment 5.
  • the webs 12 are designed as flow guide 17, which cause a targeted deflection of the flow within the flow channel 13, for example, to extend the flow path within the flow channel 13.
  • the flow channel 13 is connected on the input side only to the environment 14 and not to the hot air duct 8.
  • the outer wall 11 on its side facing away from the inner wall 10 side in the region of the respective web 12, a mark 18, which serves the purpose of informing a user that can prevail in these areas, an elevated temperature.
  • the mark 18 may serve the purpose of reducing said elevated temperature in these areas.
  • the marking 18 is in this case realized optically and haptically, wherein the optical configuration is realized by means of a corresponding coloring 19 of the respective marking 18.
  • the haptic configuration of the respective marking 18 is effected in that the marking 18 is arranged at least partially spaced from the outer wall 11, whereby said reduced temperature transfer is effected.
  • the respective marking 18 can be designed as a wall 20 and / or as a flock 21.
  • the article 5 can be configured as desired in the inventive solution.
  • the attachment 5 may be formed in particular as a nozzle 22, 23 Ondulierdüse or diffuser 24.

Landscapes

  • Cleaning And Drying Hair (AREA)
EP13195272.3A 2012-12-06 2013-12-02 Sèche-cheveux Active EP2740383B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012222404.1A DE102012222404A1 (de) 2012-12-06 2012-12-06 Haartrockner

Publications (3)

Publication Number Publication Date
EP2740383A2 true EP2740383A2 (fr) 2014-06-11
EP2740383A3 EP2740383A3 (fr) 2016-01-13
EP2740383B1 EP2740383B1 (fr) 2018-04-04

Family

ID=49724994

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13195272.3A Active EP2740383B1 (fr) 2012-12-06 2013-12-02 Sèche-cheveux

Country Status (2)

Country Link
EP (1) EP2740383B1 (fr)
DE (1) DE102012222404A1 (fr)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD1021238S1 (en) 2022-06-02 2024-04-02 Sharkninja Operating Llc Hair care appliance

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU6509394A (en) * 1993-04-16 1994-11-08 Beautronix (Hong Kong) Limited Hairdryers
US5842286A (en) * 1998-05-04 1998-12-01 Cantor; Josef Multi-functional hand-held hair dryer
BRPI0621946A2 (pt) * 2006-08-01 2011-10-25 Tenacta Group Spa dispositivo adaptado para liberar uma substáncias capilar, aparelho elétrico para tratamento de cabelo, e, acessório adaptado para ser aplicado a um aparelho elétrico
JP4889521B2 (ja) * 2007-02-22 2012-03-07 株式会社テスコム ヘアドライヤーのフード
WO2012012934A1 (fr) * 2010-07-27 2012-02-02 Sun Luen Electrical Manufacturing Company Limited Accessoire pour appareil de traitement des cheveux
WO2012019357A1 (fr) * 2010-08-13 2012-02-16 Liu Qianren Sèche-cheveux sans manche

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (5)

* 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
US11877638B2 (en) 2017-07-14 2024-01-23 Spectrum Brands, Inc. Air-moving appliance including an attachment

Also Published As

Publication number Publication date
EP2740383B1 (fr) 2018-04-04
DE102012222404A1 (de) 2014-06-12
EP2740383A3 (fr) 2016-01-13

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