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1. EP3935993 - HAIR DRYER

Office
European Patent Office
Application Number 20184370
Application Date 07.07.2020
Publication Number 3935993
Publication Date 12.01.2022
Publication Kind A1
IPC
A45D 20/10
AHUMAN NECESSITIES
45HAND OR TRAVELLING ARTICLES
DHAIRDRESSING OR SHAVING EQUIPMENT; MANICURING OR OTHER COSMETIC TREATMENT
20Hair drying devices; Accessories therefor
04Hot-air producers
08heated electrically
10Hand-held drying devices, e.g. air douches
A45D 20/12
AHUMAN NECESSITIES
45HAND OR TRAVELLING ARTICLES
DHAIRDRESSING OR SHAVING EQUIPMENT; MANICURING OR OTHER COSMETIC TREATMENT
20Hair drying devices; Accessories therefor
04Hot-air producers
08heated electrically
10Hand-held drying devices, e.g. air douches
12Details thereof or accessories therefor, e.g. nozzles, stands
CPC
A45D 20/10
AHUMAN NECESSITIES
45HAND OR TRAVELLING ARTICLES
DHAIRDRESSING OR SHAVING EQUIPMENT
20Hair drying devices; Accessories therefor
04Hot-air producers
08heated electrically
10Hand-held drying devices, e.g. air douches
A45D 20/12
AHUMAN NECESSITIES
45HAND OR TRAVELLING ARTICLES
DHAIRDRESSING OR SHAVING EQUIPMENT
20Hair drying devices; Accessories therefor
04Hot-air producers
08heated electrically
10Hand-held drying devices, e.g. air douches
12Details thereof or accessories therefor, e.g. nozzles, stands
Applicants KONINKLIJKE PHILIPS NV
Inventors LELIEVELD MARK JOHANNES
Designated States
Priority Data 20184370 07.07.2020 EP
Title
(DE) HAARTROCKNER
(EN) HAIR DRYER
(FR) S√ąCHE-CHEVEUX
Abstract
(EN) A hair dryer comprises a fan (F) for generating an air flow, and a drying chamber (HC) into which hair can be guided by the air flow, wherein a cross-section of the drying chamber has a first dimension in a first direction, which first dimension is at least 2 times larger than a second dimension in a second direction perpendicular to the first direction. Preferably, the first dimension is at least 5 - 10 times larger than a second dimension. Preferably, the hair dryer has a housing comprising the fan (F) and the drying chamber (HC), and wherein the drying chamber (HC) is folded. Preferably, a first area of the cross-section of the drying chamber (HC) at a turn is smaller than a second area of the cross-section in the middle between turns. Advantageously, the hair dryer is arranged for heating hair from multiple sides. Preferably, a wall of the drying chamber (HC) is provided with a hydrophilic or water absorbing or water surface tension reducing material. The water absorbing material may be regenerated by means of hot air. The drying chamber (HC) may be openable, whereby the drying chamber can be cleaned. Preferably, the hair dryer has a sensor (MS) for sensing temperature and/or humidity of the air flow at an air outlet of the hair dryer, and wherein a part of the air flow is recirculated based on an output of the sensor (MS).
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