EP1166704A1 - Händetrockner - Google Patents

Händetrockner Download PDF

Info

Publication number
EP1166704A1
EP1166704A1 EP01305528A EP01305528A EP1166704A1 EP 1166704 A1 EP1166704 A1 EP 1166704A1 EP 01305528 A EP01305528 A EP 01305528A EP 01305528 A EP01305528 A EP 01305528A EP 1166704 A1 EP1166704 A1 EP 1166704A1
Authority
EP
European Patent Office
Prior art keywords
tube
hand
hands
drier
cavity
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
EP01305528A
Other languages
English (en)
French (fr)
Other versions
EP1166704B8 (de
EP1166704B1 (de
Inventor
Matthew Edward Thomas White
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1166704A1 publication Critical patent/EP1166704A1/de
Application granted granted Critical
Publication of EP1166704B1 publication Critical patent/EP1166704B1/de
Publication of EP1166704B8 publication Critical patent/EP1166704B8/de
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
    • 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

  • This invention relates to hand-driers.
  • a hand-drier wherein one or more sources of radiant energy are located to warm hands inserted in the drier, and wherein means is provided for causing air to pass over the warmed hands.
  • the radiant energy may be infra-red radiation.
  • the sources of the radiant energy may be located outside a partially-enclosed cavity for radiating heat through a wall of the cavity to warm hands inserted in the cavity.
  • the means for causing air to pass over the warmed hands may comprise a fan or other means for drawing air through the cavity.
  • the cavity may be defined by a glass or other tube having an opening at one end for receiving the hands to be dried, and the means for drawing air through the cavity may in these circumstances be located at the other end of the tube for drawing air into the tube through the opening.
  • One or more baffles may be located around the outside of the tube for blocking radiation from the lamps passing out through the opening.
  • the hand-drier has an external metal-housing that is formed by a front fascia 1 and a rear main-casing 2.
  • the fascia 1 provides an open mouth 3 for easy entry of the hands to be dried into a glass tube 4 of the drier.
  • the tube 4 is mounted coaxially within rings 5 that are retained within the casing 2 spaced from one another on six rods 6.
  • the rods 6 are secured to a base-plate 7 and extend through it to project rearwardly from the casing 2 for use in attaching the drier to a structural wall (for example, a washroom-wall).
  • An electrically-powered centrifugal fan 8 mounted on the plate 7 is coupled to the inner end 9 of the tube 4 for drawing air through the mouth 3 into the tube 4 at its outer end 10.
  • the mouth 3 is of venturi shape, not only to facilitate insertion of the hands into the tube 4, but more especially to promote stream-flow of air into and along the inside of the tube 4. After passing over the hands, the air drawn in is vented from the fan 8 radially through openings 11 at the rear of the casing 2.
  • tungsten-halogen lamps 12 are mounted equidistant from one another around the outside of the glass tube 4.
  • the lamps 12 are shrouded by individual elliptical reflectors 13 (only some shown) that direct the emitted light radially inwards through the wall 14 of the tube 4.
  • the tube 4 is of a borosilicate glass to resist thermal shock and to have good transparency to the infra-red radiations from the lamps 12, so that the hands inserted in the tube 4 are warmed.
  • the rings 5 in combination form a louvre structure that blocks radiation from the lamps 12 exiting through the mouth 3, without limiting to any substantial extent the radiation path to the hands.
  • a perforated disc 16 is mounted on the rods 6 across the inner end 9 of the tube 4 as a finger-guard to the fan 8.
  • Insertion of hands through the mouth 3 into the tube 4 is detected by a passive infra-red sensor (not shown) for activating the fan 8 and energising the lamps 12 while the hands remain entered (other forms of motion and proximity sensing may be used).
  • Radiation from the lamps 12 warms the wet hands to evaporate the water, and the air sucked over the hands by the fan 8 quickly draws off the water vapour and vents it into the ambient atmosphere from the drier via the openings 11; the drier may be modified to incorporate filtering of the air and/or condensation of the water from it, before venting.
  • the efficient and comfortable warming of the hands is facilitated by the reflectors 13 in focusing the radiation through the wall 14 onto the hands with an even distribution around the whole circumference of the tube 4.
  • the lamps 12 provide instant heat when energised, and cool rapidly afterwards. Moreover, they provide visible light which passes through the wall 14 to provide a 'comfort' effect within the tube 4 for the user while the hands are being dried.
  • the drying process is efficiently and quickly achieved with the drier described above.
  • heat energy is directed to the wet hands for evaporating the water on them, and is not used primarily for heating the air.
  • the air surrounding the hands namely that into which evaporation takes place, is replaced continuously by fresh, unsaturated air from the ambient atmosphere so as to ensure that the evaporation process proceeds unhampered.
  • the location of the hands within the partially-enclosed cavity formed by the tube 4 facilitates the rapid drawing off of water vapour without the necessity for movement of large volumes of air, and therefore enables a low-power, quiet fan to be used. Moreover, the possibility of bacterial infection of the hands during the drying process within the drier, is significantly reduced since the air contacting the hands is directly from the ambient atmosphere. It is notable in this respect that the air contacting the hands passes through the fan 8 and other enclosed parts of the drier where bacteria might lurk, only following such contact.
EP01305528A 2000-06-27 2001-06-26 Händetrockner Expired - Lifetime EP1166704B8 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0015597.8A GB0015597D0 (en) 2000-06-27 2000-06-27 Hand-driers
GB0015597 2000-06-27

Publications (3)

Publication Number Publication Date
EP1166704A1 true EP1166704A1 (de) 2002-01-02
EP1166704B1 EP1166704B1 (de) 2004-08-04
EP1166704B8 EP1166704B8 (de) 2004-12-15

Family

ID=9894396

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01305528A Expired - Lifetime EP1166704B8 (de) 2000-06-27 2001-06-26 Händetrockner

Country Status (5)

Country Link
EP (1) EP1166704B8 (de)
AT (1) ATE272350T1 (de)
DE (1) DE60104604T2 (de)
ES (1) ES2225427T3 (de)
GB (2) GB0015597D0 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2444028A (en) * 2006-11-23 2008-05-28 Stephen Ball Personal drying apparatus with heater, fan and infra-red source
US7946055B2 (en) * 2005-07-30 2011-05-24 Dyson Technology Limited Dryer
CN112545347A (zh) * 2020-12-03 2021-03-26 中科院合肥技术创新工程院 一种防院感吸风式的干手机

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0515754D0 (en) 2005-07-30 2005-09-07 Dyson Technology Ltd Drying apparatus
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
DE202017001279U1 (de) * 2017-03-10 2017-08-18 Harun Özsoy Trocknungsgerät

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7526106U (de) * 1975-08-18 1975-12-11 Bosch Siemens Gmbh Elektrischer haendetrockner
IT1242776B (it) * 1990-12-04 1994-05-17 Bruno Bertolli Asciugamani elettrico a cuscino rotante di getti d'aria calda abbinatoad un diffusore a raggi all'infrarosso.
JPH08168449A (ja) * 1994-12-16 1996-07-02 Yamazaki:Kk 殺菌・乾燥装置
US6038786A (en) * 1998-04-16 2000-03-21 Excel Dryer Inc. Hand dryer
DE19905985A1 (de) * 1999-02-12 2000-08-31 Industrieservis Ges Fuer Innov Vorrichtung und Verfahren zum Trocknen von Personen und/oder Körperteilen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB551794A (en) * 1941-09-05 1943-03-10 Alexander Duckham Improvements in and relating to apparatus for drying the hands and/or face
GB756554A (en) * 1953-05-09 1956-09-05 Broughton & Sons Engineers Ltd A new or improved drying apparatus
GB1240242A (en) * 1969-03-06 1971-07-21 David John Runchman Automatic hand dryer
US3643346A (en) * 1969-05-29 1972-02-22 Lestron International Corp Drying apparatus
US3766397A (en) * 1972-04-12 1973-10-16 T Rockson Sterilizing hand dryer
GB1602115A (en) * 1978-05-26 1981-11-04 Aroa B A Hot air driers
CA2104514C (en) * 1992-08-25 1998-08-25 Toshio Tatsutani Hand dryer

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7526106U (de) * 1975-08-18 1975-12-11 Bosch Siemens Gmbh Elektrischer haendetrockner
IT1242776B (it) * 1990-12-04 1994-05-17 Bruno Bertolli Asciugamani elettrico a cuscino rotante di getti d'aria calda abbinatoad un diffusore a raggi all'infrarosso.
JPH08168449A (ja) * 1994-12-16 1996-07-02 Yamazaki:Kk 殺菌・乾燥装置
US6038786A (en) * 1998-04-16 2000-03-21 Excel Dryer Inc. Hand dryer
DE19905985A1 (de) * 1999-02-12 2000-08-31 Industrieservis Ges Fuer Innov Vorrichtung und Verfahren zum Trocknen von Personen und/oder Körperteilen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 11 29 November 1996 (1996-11-29) *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7946055B2 (en) * 2005-07-30 2011-05-24 Dyson Technology Limited Dryer
GB2444028A (en) * 2006-11-23 2008-05-28 Stephen Ball Personal drying apparatus with heater, fan and infra-red source
CN112545347A (zh) * 2020-12-03 2021-03-26 中科院合肥技术创新工程院 一种防院感吸风式的干手机

Also Published As

Publication number Publication date
EP1166704B8 (de) 2004-12-15
DE60104604T2 (de) 2005-01-05
DE60104604D1 (de) 2004-09-09
GB0115590D0 (en) 2001-08-15
EP1166704B1 (de) 2004-08-04
ES2225427T3 (es) 2005-03-16
ATE272350T1 (de) 2004-08-15
GB2364242B (en) 2004-04-14
GB2364242A (en) 2002-01-23
GB0015597D0 (en) 2000-08-16

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