EP0439781A1 - Séchoir à cheveux - Google Patents
Séchoir à cheveux Download PDFInfo
- Publication number
- EP0439781A1 EP0439781A1 EP90124653A EP90124653A EP0439781A1 EP 0439781 A1 EP0439781 A1 EP 0439781A1 EP 90124653 A EP90124653 A EP 90124653A EP 90124653 A EP90124653 A EP 90124653A EP 0439781 A1 EP0439781 A1 EP 0439781A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- diffuser
- guide
- bell
- outlet
- guide ring
- 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
Links
Images
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
Definitions
- the invention relates to a diffuser for a hair dryer device which emits an air flow to the outside via an inlet connection and an air guiding device, as well as an outwardly expanding diffuser bell.
- Such a diffuser is already known from DE-OS 27 28 406, which has an outwardly widening diffuser panel with numerous outlet openings.
- a plurality of outwardly extending spacer fingers are provided, which have outlet slots at their base in the transition area to the diffuser screen, so that all of the outflowing air for drying the hair is blown only onto the hair surface.
- the diffuser nozzle consists of an outer diffuser bell, in which the concave diffuser screen is embedded and firmly connected to the diffuser bell by means of screws.
- the shape of the diffuser bell and diffuser screen creates an annular gap or an air duct between the diffuser bell and the diffuser screen, so that air is applied to the individual slot openings in this way.
- the bottom of the diffuser screen is located directly in front of the inlet nozzle of the diffuser bell, so that the incoming air stream hits this plate directly, which leads to considerable flow losses. Only after the air has impacted on the plate can it flow swirled sideways into the ring channel, in order to then be discharged to the outside via the outlet openings in the diffuser panel.
- the object of the invention is to design the diffuser in such a way that the outlet velocity of the air flow is reduced using simple structural means, without reducing the air throughput and increasing the flow resistance.
- the air guiding device consists of at least one guiding element which has an approximately concentric passage opening and which advantageously allows the air flow to expand uniformly outwards.
- This special design of the air guide element ensures that the incoming air flow is not opposed to any significant flow resistance, especially since the passage opening of the guide device is arranged essentially concentrically with the inlet connection piece, so that the guide element causes an extremely low flow resistance.
- the guide element contributes to the fact that the air expands outwards without any particular eddy formation.
- the guide element consists of at least one guide ring which widens outwards, it being possible for the wall thickness of the guide ring to be very small.
- the guide element can consist of two or more fan-shaped guide rings, which are also arranged approximately concentrically to the longitudinal central axis of the inlet connector of the hair dryer device. It is also advantageous that the guide ring, which is smaller in diameter, projects forward in relation to the direction of flow compared to the guide ring which is larger in diameter, so that a fan-like arrangement of the guide rings is obtained. As a result, the incoming air flow is diverted and widened without loss of flow in such a way that it leaves the diffuser nozzle with relatively large swirls and thus contributes to gentle hair drying.
- the individual air rings can advantageously also consist of a plurality of individual guide vanes arranged next to one another, all of which form a guide ring.
- the diffuser nozzle can be used without a diffuser screen or with a diffuser screen that is attached to the outlet end of the diffuser nozzle.
- the diffuser screen is concave and has numerous outlet openings that are evenly pressurized with air via the guide rings. Due to the advantageous design of the diffuser nozzle with the associated guide rings, the exit velocity of the inflowing warm air can be reduced in such a way that the hair is not swirled too much during hair drying processes, in particular with pre-shaped hairstyles. By reducing the outlet speed of the air flow by means of the diffuser bell and the associated diffuser screen, there is no reduction in the air throughput and thus also a backflow with the associated overheating of the hair dryer is avoided.
- the diffuser bell of the diffuser nozzle increases outwards and that the air entering the diffuser bell via the inlet connection piece is not swirled by obstacles.
- the guide rings lying in the air flow rather contribute to calming the incoming, sometimes highly turbulent air flow when using an axial fan and also fanning it out in such a way that the diffuser screen or the outlet opening of the diffuser bell is evenly pressurized with air over its entire surface.
- the diffuser can easily be handled without the diffuser screen.
- any other diffuser nozzle it is extremely advantageous that numerous spacer fingers are provided on the outer side of the diffuser screen, which have outlet openings in the region of their outer ends.
- the air emerging from the diffuser nozzle can not only strike the hair from the outside, but can also be guided into the area of the hair roots in the scalp area, so that the hair is better flooded during the drying process.
- This feature has independent inventive significance in connection with any other diffuser.
- the hair can be loosened in a simple manner, the spacers preventing the air nozzle from being brought too close to the scalp.
- the distance between at least two adjacent outlet openings is approximately the same or smaller than the largest inner dimension of an outlet opening.
- numerous outlet openings can be provided in the diffuser panel, so that the flow rate can be reduced without increasing the dynamic pressure or the flow resistance.
- the outlet openings are circular.
- the inlet side of the passage opening of the guide ring extends into the area of a cylindrical inlet connector and the outlet side extends into the outwardly widening part of the diffuser bell. It is also advantageous that the total length of the guide rings is less than half the length of the diffuser bell. It is also advantageous that the distance between the outer outlet edge of the diffuser bell and the outlet side of the inner guide ring is approximately the same as the distance between the inlet edge of the outer guide ring and the inlet edge of the cylindrical inlet connector of the diffuser bell.
- the diffuser screen can be detachably connected to the diffuser bell via a rotary connection.
- a hair dryer device 1 is shown in dashed lines in FIG. 1, which receives a diffuser nozzle 3 at its outlet connection 2, which diffuser nozzle 4, according to FIG. 2, consists of a diffuser bell 4 that widens outward in the manner of a funnel and a diffuser screen 9.
- the diffuser bell 4 has a cylindrical inlet connector 20 which can be detachably connected to the outlet connector 2 of the hair dryer device 1 via a bayonet lock 12 provided in the region of the inlet edge 22.
- the inlet side 18 of an air guiding device 5 lies in the region of the outlet end of the inlet stub 20.
- the diffuser bell 4 which widens outward in a funnel shape, adjoins the cylindrical inlet stub 20, into which the air guiding device 5 extends, which likewise extends to expanded outside.
- the air guide device 5 consists of an outer, funnel-shaped guide ring 13 and an inner, forward, i.e. Downstream staggered guide ring 14, which are arranged approximately concentrically with respect to the central axis of the diffuser bell 4, so that the passage openings 7 of both guide rings 13 and 14 also run approximately concentrically to the central axis of the diffuser bell 4.
- the two guide rings 13, 14 are connected via star-shaped webs 10 to wall parts 11 of the diffuser bell 4, wherein the guide rings 13 and 14, or only one of the guide rings 13, 14, can also be detachably connected to the webs 10, for example via snap locks to thereby facilitate the manufacture of parts made from injection molding and thus reduce costs.
- the production of an extremely complex injection mold is avoided if at least one of the guide rings 13, 14 is clipped into it as a separate, clippable part after the diffuser bell 4 has been produced.
- the distance between the outlet edge 21 of the diffuser bell 4 and the outlet side 19 of the inner guide ring 14 can be approximately the same size as the distance between the inlet side 18 of the outer guide ring 13 and the inlet edge 22 of the cylindrical inlet connector 20th the diffuser bell 4. Due to the advantageous placement of the guide rings 13 and 14 and the funnel-shaped extensions, the air flow is gently deflected and fanned out and the flow velocity in the widening part of the diffuser bell 4 is reduced without increasing the dynamic pressure and thus the flow losses .
- the diffuser screen 9 is shown in cross section, which consists of a concave plate 15, in which, as is apparent from Figs. 3 and 4, numerous closely adjacent Outlet openings 25 are provided, the distance between two side-by-side outlet openings 25 being approximately the same or smaller than the diameter of the outlet opening 25.
- a plurality of spacer fingers 16, which are arranged at a distance from one another, are embedded in or firmly connected to the plate 15 and are of hollow design. At least one outlet opening 17 is provided in the region of the outer end of the spacer finger 16.
- the diffuser nozzle can be used once without a diffuser screen 9, only as a diffuser bell 4 (see FIG. 5) or also with a diffuser screen 9 attached, which for this purpose is to be connected to the outlet end of the diffuser bell 4 via a bayonet catch 28.
- the diffuser screen 9 is placed axially on the outlet connection 26 of the diffuser bell 4 and then fixed by a small rotation by means of the bayonet catch 28.
- corresponding pins or knobs can be provided on the diffuser panel 9, which can be brought into engagement with the bayonet catch 28.
- the guide rings 13 and 14 shown in FIG. 5 can each be formed from a one-piece or continuous guide ring. However, it is also possible, according to FIG. 7, to arrange numerous small guide vanes 30 in the form of a ring instead of these guide rings 13 and 14, which overall form a guide ring 13 and 14. In addition, it is also possible to rotate the individual guide vanes 30 a little about their longitudinal axis in order to influence the fanning out of the air flow.
- the total length of the guide rings 13 and 14 can advantageously be less than half the length of the diffuser bell 4.
- the outlet openings 25 shown in FIG. 3 are circular. However, they can also have a different shape. For example, it is possible to design this as a slot opening. Likewise, the outlet openings 17 in the spacers 16 can be circular or as elongated holes.
- the individual circular outlet openings 25 are arranged on a circular ring with respect to the central axis of the diffuser nozzle 3.
- the next smaller circle with the outlet openings 25 can be slightly offset laterally with respect to the adjacent circular ring, so that the inner outlet openings lie between the space between two adjacent outlet openings 25 of the outer circular ring.
Landscapes
- Cleaning And Drying Hair (AREA)
- Drying Of Solid Materials (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4002944A DE4002944A1 (de) | 1990-02-01 | 1990-02-01 | Haartrocknergeraet |
DE4002944 | 1990-02-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0439781A1 true EP0439781A1 (fr) | 1991-08-07 |
EP0439781B1 EP0439781B1 (fr) | 1994-08-31 |
Family
ID=6399204
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90124653A Expired - Lifetime EP0439781B1 (fr) | 1990-02-01 | 1990-12-19 | Séchoir à cheveux |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0439781B1 (fr) |
AT (1) | ATE110538T1 (fr) |
DE (2) | DE4002944A1 (fr) |
ES (1) | ES2060916T3 (fr) |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1992011783A1 (fr) * | 1991-01-10 | 1992-07-23 | Elektro-Wärme-Technik Siegfried Petz Inh. Günter Petz | Sechoir a cheveux electrique |
WO1993009693A1 (fr) * | 1991-11-20 | 1993-05-27 | Braun Aktiengesellschaft | Diffuseur pour seche-cheveux |
WO1994023611A1 (fr) * | 1993-04-16 | 1994-10-27 | Beautronix (Hong Kong) Limited | Seche-cheveux |
US5638608A (en) * | 1992-12-22 | 1997-06-17 | Braun Aktiengesellschaft | Method for styling/drying hair for an air-moving appliance for personal use |
US5715847A (en) * | 1994-12-17 | 1998-02-10 | Braun Aktiengesellschaft | Hair styling implement |
EP1415566A2 (fr) * | 2002-11-01 | 2004-05-06 | Wahl Clipper Corporation | Embout de sèche-cheveux |
GB2414180A (en) * | 2004-05-21 | 2005-11-23 | Kenford Ind Co Ltd | Hair dryer nozzle with prongs |
CN102213253A (zh) * | 2010-04-04 | 2011-10-12 | 有限会社川野技研 | 装有导引叶片的吹出弯头 |
ITMI20110544A1 (it) * | 2011-04-01 | 2012-10-02 | Tenacta Group Spa | Dispositivo per asciugare i capelli |
US8407913B2 (en) * | 2007-09-27 | 2013-04-02 | Wahl Clipper Corporation | Conditioner infuser for hair dryer attachment |
WO2016203198A1 (fr) * | 2015-06-16 | 2016-12-22 | Dyson Technology Limited | Diffuseur |
USD784614S1 (en) * | 2015-06-18 | 2017-04-18 | Dyson Technology Limited | Accessory for a hairdryer |
US9936789B2 (en) | 2015-06-16 | 2018-04-10 | Dyson Technology Limited | Diffuser |
US9936788B2 (en) | 2015-06-16 | 2018-04-10 | Dyson Technology Limited | Diffuser |
CN108135342A (zh) * | 2015-07-24 | 2018-06-08 | 皇家飞利浦有限公司 | 头发护理装置 |
US10076172B2 (en) | 2015-06-16 | 2018-09-18 | Dyson Technology Limited | Diffuser |
US10238199B2 (en) | 2015-06-16 | 2019-03-26 | Dyson Technology Limited | Diffuser |
US20190159566A1 (en) * | 2017-11-30 | 2019-05-30 | Michelle Baldini | Eyelash Shaping Assembly |
CN111315254A (zh) * | 2017-07-14 | 2020-06-19 | 品谱公司 | 吹风机 |
US10765191B2 (en) | 2015-06-16 | 2020-09-08 | Dyson Technology Limited | Diffuser |
WO2022129847A1 (fr) * | 2020-12-17 | 2022-06-23 | Dyson Technology Limited | Diffuseur |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4230279A (en) * | 1979-06-08 | 1980-10-28 | Helene Curtis Industries, Inc. | Hair dryer attachment |
US4391047A (en) * | 1979-03-20 | 1983-07-05 | U.S. Philips Corporation | Hand-held hair dryer |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB972682A (en) * | 1961-01-24 | 1964-10-14 | Stanley Bridges Ltd | Improvements in or relating to hair dryers |
SE316875B (fr) * | 1966-05-06 | 1969-11-03 | Lumalampan Ab | |
DE2307066A1 (de) * | 1973-02-14 | 1974-08-22 | Severin & Co Gmbh A | Geraet zum trocknen von haaren |
DE2728406A1 (de) * | 1977-06-24 | 1979-01-04 | Wigo Widmann Soehne Gottlob | Haarbehandlungsgeraet |
FR2446615B1 (fr) * | 1979-01-18 | 1986-04-04 | Velecta Sa | Dispositif diffuseur d'air adaptable sur un sechoir pour les cheveux |
US4287673A (en) * | 1980-01-11 | 1981-09-08 | Sunbeam Corporation | Hair dryer diffuser |
-
1990
- 1990-02-01 DE DE4002944A patent/DE4002944A1/de active Granted
- 1990-12-19 DE DE59006976T patent/DE59006976D1/de not_active Expired - Fee Related
- 1990-12-19 EP EP90124653A patent/EP0439781B1/fr not_active Expired - Lifetime
- 1990-12-19 ES ES90124653T patent/ES2060916T3/es not_active Expired - Lifetime
- 1990-12-19 AT AT90124653T patent/ATE110538T1/de not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4391047A (en) * | 1979-03-20 | 1983-07-05 | U.S. Philips Corporation | Hand-held hair dryer |
US4230279A (en) * | 1979-06-08 | 1980-10-28 | Helene Curtis Industries, Inc. | Hair dryer attachment |
Cited By (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1992011783A1 (fr) * | 1991-01-10 | 1992-07-23 | Elektro-Wärme-Technik Siegfried Petz Inh. Günter Petz | Sechoir a cheveux electrique |
WO1993009693A1 (fr) * | 1991-11-20 | 1993-05-27 | Braun Aktiengesellschaft | Diffuseur pour seche-cheveux |
US5488783A (en) * | 1991-11-20 | 1996-02-06 | Braun Aktiengesellschaft | Diffuser for a hair dryer |
US5638608A (en) * | 1992-12-22 | 1997-06-17 | Braun Aktiengesellschaft | Method for styling/drying hair for an air-moving appliance for personal use |
WO1994023611A1 (fr) * | 1993-04-16 | 1994-10-27 | Beautronix (Hong Kong) Limited | Seche-cheveux |
US5715847A (en) * | 1994-12-17 | 1998-02-10 | Braun Aktiengesellschaft | Hair styling implement |
EP1415566A2 (fr) * | 2002-11-01 | 2004-05-06 | Wahl Clipper Corporation | Embout de sèche-cheveux |
EP1415566A3 (fr) * | 2002-11-01 | 2004-07-14 | Wahl Clipper Corporation | Embout de sèche-cheveux |
US6957500B2 (en) | 2002-11-01 | 2005-10-25 | Wahl Clipper Corporation | Attachment for handheld dryer |
GB2414180A (en) * | 2004-05-21 | 2005-11-23 | Kenford Ind Co Ltd | Hair dryer nozzle with prongs |
GB2414180B (en) * | 2004-05-21 | 2007-07-25 | Kenford Ind Co Ltd | Hairdryer diffuser |
US8407913B2 (en) * | 2007-09-27 | 2013-04-02 | Wahl Clipper Corporation | Conditioner infuser for hair dryer attachment |
CN102213253A (zh) * | 2010-04-04 | 2011-10-12 | 有限会社川野技研 | 装有导引叶片的吹出弯头 |
CN102213253B (zh) * | 2010-04-04 | 2013-06-19 | 有限会社川野技研 | 装有导引叶片的吹出弯头 |
ITMI20110544A1 (it) * | 2011-04-01 | 2012-10-02 | Tenacta Group Spa | Dispositivo per asciugare i capelli |
CN106256283A (zh) * | 2015-06-16 | 2016-12-28 | 戴森技术有限公司 | 扩散器 |
US10238199B2 (en) | 2015-06-16 | 2019-03-26 | Dyson Technology Limited | Diffuser |
US9936789B2 (en) | 2015-06-16 | 2018-04-10 | Dyson Technology Limited | Diffuser |
US9936788B2 (en) | 2015-06-16 | 2018-04-10 | Dyson Technology Limited | Diffuser |
WO2016203198A1 (fr) * | 2015-06-16 | 2016-12-22 | Dyson Technology Limited | Diffuseur |
US10765191B2 (en) | 2015-06-16 | 2020-09-08 | Dyson Technology Limited | Diffuser |
US10076172B2 (en) | 2015-06-16 | 2018-09-18 | Dyson Technology Limited | Diffuser |
RU2672631C1 (ru) * | 2015-06-16 | 2018-11-16 | Дайсон Текнолоджи Лимитед | Диффузор |
US10165844B2 (en) | 2015-06-16 | 2019-01-01 | Dyson Technology Limited | Diffuser |
AU2016277997B2 (en) * | 2015-06-16 | 2019-02-28 | Dyson Technology Limited | Diffuser |
USD784614S1 (en) * | 2015-06-18 | 2017-04-18 | Dyson Technology Limited | Accessory for a hairdryer |
CN108135342A (zh) * | 2015-07-24 | 2018-06-08 | 皇家飞利浦有限公司 | 头发护理装置 |
US10383422B2 (en) * | 2015-07-24 | 2019-08-20 | Koninklijke Philips N.V. | Hair care device |
US20180206610A1 (en) * | 2015-07-24 | 2018-07-26 | Koninklijke Philips N.V. | Hair care device |
EP3324782B1 (fr) * | 2015-07-24 | 2024-06-19 | Koninklijke Philips N.V. | Dispositif de soin capillaire |
CN111315254A (zh) * | 2017-07-14 | 2020-06-19 | 品谱公司 | 吹风机 |
US20190159566A1 (en) * | 2017-11-30 | 2019-05-30 | Michelle Baldini | Eyelash Shaping Assembly |
WO2022129847A1 (fr) * | 2020-12-17 | 2022-06-23 | Dyson Technology Limited | Diffuseur |
Also Published As
Publication number | Publication date |
---|---|
ATE110538T1 (de) | 1994-09-15 |
DE4002944A1 (de) | 1991-08-14 |
EP0439781B1 (fr) | 1994-08-31 |
ES2060916T3 (es) | 1994-12-01 |
DE4002944C2 (fr) | 1992-04-16 |
DE59006976D1 (de) | 1994-10-06 |
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