EP1654971A1 - Handtrocknungsvorrichtung - Google Patents
Handtrocknungsvorrichtung Download PDFInfo
- Publication number
- EP1654971A1 EP1654971A1 EP04766888A EP04766888A EP1654971A1 EP 1654971 A1 EP1654971 A1 EP 1654971A1 EP 04766888 A EP04766888 A EP 04766888A EP 04766888 A EP04766888 A EP 04766888A EP 1654971 A1 EP1654971 A1 EP 1654971A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spiral
- air
- turbine
- motor
- section
- 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
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K10/00—Body-drying implements; Toilet paper; Holders therefor
- A47K10/48—Drying by means of hot air
Definitions
- the object of the invention is a reduced sized hand drying device.
- This device belongs to the type which has a turbine that is activated by a motor, takes in air at room temperature makes it pass through a spiral followed by an air duct which expels it at great speed through an outlet nozzle.
- the device has been developed mainly for application as a hand dryer of the type which is installed in the toilets of many companies and in public establishments, and which will be installed, like those already fitted, into a suitable housing made up of a base and a cover, the base being able to be made from a single piece with the spiral or part of same.
- the already known devices of said type are generally made up of from a motor with a certain power in order to aspirate and expel the quantity of air that is sufficient to fulfil its objective, said motor producing a specific consumption, likewise being of a specific size that has an effect on the overall size of the device, having, in general, to resort to a complex arrangement that with the object of reducing said sized prejudices the features of same.
- the maximum advantage is achieved in terms of the fluid-dynamic features, starting out from reduced dimensions and consumption, at the air inlet to the motor has an arrangement that improves the cooling of same and being characterised mainly by the arrangement of the spiral on the inlet side enabling the entry of air in spite of the reduced size and the locating of the motor-turbine in the air inlet area.
- Said spiral arrangement represents a progressive increase of the section size of said spiral from its beginning and surrounds the centrifugal wheel making up the turbine until it connects up with the air outlet, which has a constant section until being finished off with progressive narrowing until ending at the air outlet nozzle.
- This outlet nozzle is of a lesser section than the ducting from which it comes, the ducting being made by means of gentle and progressive narrowing without sharp or angular changes to the section through which the air passes.
- the air outlet duct is made up of a stretch that is an extension of the spiral and the inside of which shapes, in the part with the constant section, a chamber into which a heating resistance is fitted so that the air expelled by the device is heated, this chamber minimises the blockage of the air due to the incorporation of said element and brings about the minimum loss of pressure.
- the illustrated hand dryer device is made up of a single inlet spiral (1) that on one side has an eccentrically placed area or opening (2) for the room temperature air inlet and, housed in it, a motor-turbine (3) for the aspiration of said air, the centrifuge wheel (4) being fitted, likewise with a single inlet, inside the spiral (1) so that the motor (5) protrudes from it (see figure 3).
- the stated opening or area (2) is bent around the periphery of the spiral (1) and has a variable width that, with a greater size at the beginning and less at the inlet to the wheel (4) (drawings 3 and 5), minimises the blockage to the air inlet due to the presence of the motor (5).
- the spiral (1) has, from its beginning (6), a spiral arrangement (7) the section of which around the wheel (4) (figure 1) progressively increases in size and, at the end (7'), is connected to a duct (8) from where the aspirated air will exit, said duct being able to be constructed of (as and how shown) from an extension of the spiral (1).
- This duct (8) is straight, and has a constant section (that can be rectangular, as shown, or with any other shape) along its entire length, and on the inside forms a chamber (8') with a calming effect that minimises the blockage, in same, of the exiting air due to heating resistance (9) and some transversal and parallel vanes (10') that are fitted into said chamber (figure 1), the latter forming a grid (10) that is fitted between the element (9) and a progressively narrowing area (11) which is connected to the end of the duct (8).
- Said narrowed area that does not have sharp edges and that, at the end, forms the outlet nozzle (12) for the air, allows the progressive channelling of same and its concentration on the outside, reducing the level of turbulence and minimising pressure losses, the stated outlet nozzle being able to be rectangular (as and how shown) or any other shape.
- the spiral (1) and the wheel (4) can have a double inlet and in whichever case, the device will be fitted into a suitably shaped housing (not illustrated) that will retain its parts and which, by means of same, will be fixed to a wall or facing, said housing being, in the example shown, a flat square vertical base (13) formed by a lateral side expanded from the spiral-duct (1, 8) assembly (figures 1 and 4), said face opposite that of the room temperature air inlet area (2), and the base (13) having suitable openings (14) for the stated fixing.
- a suitably shaped housing not illustrated
- said housing being, in the example shown, a flat square vertical base (13) formed by a lateral side expanded from the spiral-duct (1, 8) assembly (figures 1 and 4), said face opposite that of the room temperature air inlet area (2), and the base (13) having suitable openings (14) for the stated fixing.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES200301954A ES2224871B1 (es) | 2003-08-13 | 2003-08-13 | Dispositivo seca-manos. |
PCT/ES2004/000349 WO2005016104A1 (es) | 2003-08-13 | 2004-07-27 | Dispositivo seca-manos |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1654971A1 true EP1654971A1 (de) | 2006-05-10 |
EP1654971B1 EP1654971B1 (de) | 2009-03-11 |
Family
ID=34178758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04766888A Active EP1654971B1 (de) | 2003-08-13 | 2004-07-27 | Handtrocknungsvorrichtung |
Country Status (6)
Country | Link |
---|---|
US (1) | US20050100436A1 (de) |
EP (1) | EP1654971B1 (de) |
AT (1) | ATE424750T1 (de) |
DE (1) | DE602004019936D1 (de) |
ES (2) | ES2224871B1 (de) |
WO (1) | WO2005016104A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0515754D0 (en) | 2005-07-30 | 2005-09-07 | Dyson Technology Ltd | Drying apparatus |
GB0515744D0 (en) * | 2005-07-30 | 2005-09-07 | Dyson Technology Ltd | Dryer |
GB0515750D0 (en) | 2005-07-30 | 2005-09-07 | Dyson Technology Ltd | Drying apparatus |
GB2428569B (en) | 2005-07-30 | 2009-04-29 | Dyson Technology Ltd | Dryer |
GB0515749D0 (en) | 2005-07-30 | 2005-09-07 | Dyson Technology Ltd | Drying apparatus |
GB2434094A (en) | 2006-01-12 | 2007-07-18 | Dyson Technology Ltd | Drying apparatus with sound-absorbing material |
AU2007201120B1 (en) * | 2007-03-12 | 2007-09-13 | Alpha Technologies Corporation Ltd | Improved Airflow System |
CN102316779A (zh) * | 2007-03-12 | 2012-01-11 | 阿尔法科技有限公司 | 改良式气流系统与装置以及用于气流系统的方法 |
GB2491891A (en) * | 2011-06-17 | 2012-12-19 | Personnel Hygiene Services Ltd | Hand drying apparatus |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US758303A (en) * | 1902-08-15 | 1904-04-26 | Martin Petersen | Electric heater. |
US1594906A (en) * | 1925-04-28 | 1926-08-03 | Eastern Lab Inc | Electric drier |
US2634514A (en) * | 1949-03-01 | 1953-04-14 | Nat Dryer Mfg Corp | Drier |
CH298458A (de) * | 1951-07-05 | 1954-05-15 | Gerber Karl | Elektrischer Wärmeapparat zum Heizen und Trocknen, insbesondere zum Trocknen der Hände. |
US2646629A (en) * | 1952-09-26 | 1953-07-28 | Nat Dryer Mfg Corp | Forced air drier |
US3407995A (en) * | 1966-10-12 | 1968-10-29 | Lau Blower Co | Blower assembly |
US3775029A (en) * | 1972-02-09 | 1973-11-27 | Lau Inc | Direct driven blower |
IT1028298B (it) * | 1975-01-10 | 1979-01-30 | Boccardi C | Perfezionamento ai dispositivi ad aria calda particolarmente utilizza bili nelle operazione di lavaggio e messa in piega dei capelli e relativi dispositivi perfezionati |
ES248455U (es) * | 1980-02-08 | 1980-05-01 | Electro Jofel,S.L. | Secamanos electrico perfeccionado |
US4999928A (en) * | 1989-10-02 | 1991-03-19 | Tozier Michel C | Air concentration nozzle |
JPH0998908A (ja) * | 1995-10-09 | 1997-04-15 | Teranishi Denki Seisakusho:Kk | 温風乾燥装置 |
-
2003
- 2003-08-13 ES ES200301954A patent/ES2224871B1/es not_active Expired - Fee Related
-
2004
- 2004-07-27 WO PCT/ES2004/000349 patent/WO2005016104A1/es active Search and Examination
- 2004-07-27 EP EP04766888A patent/EP1654971B1/de active Active
- 2004-07-27 AT AT04766888T patent/ATE424750T1/de not_active IP Right Cessation
- 2004-07-27 DE DE602004019936T patent/DE602004019936D1/de active Active
- 2004-07-27 ES ES04766888T patent/ES2323704T3/es active Active
- 2004-08-12 US US10/917,045 patent/US20050100436A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO2005016104A1 * |
Also Published As
Publication number | Publication date |
---|---|
US20050100436A1 (en) | 2005-05-12 |
ES2224871A1 (es) | 2005-03-01 |
EP1654971B1 (de) | 2009-03-11 |
ES2224871B1 (es) | 2006-02-01 |
DE602004019936D1 (de) | 2009-04-23 |
ATE424750T1 (de) | 2009-03-15 |
WO2005016104A1 (es) | 2005-02-24 |
ES2323704T3 (es) | 2009-07-23 |
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