EP 3958707 B1 20230607 - HAIRDRYER
Title (en)
HAIRDRYER
Title (de)
HAARTROCKNER
Title (fr)
SÈCHE-CHEVEUX
Publication
Application
Priority
- IT 201900006306 A 20190424
- IB 2020053814 W 20200422
Abstract (en)
[origin: WO2020217189A1] A hairdryer (1) comprises an electric motor (2) provided with a stator (21), a rotor (22) with rotor windings (24), a commutator (4) fixed to the rotor (22) and connected to the rotor windings (24), and a couple of brushes (5) powerable by an electric current and abutting the commutator (4); a fan (6) interposed between the electric motor (2) and an air suction rear opening (31) and rotated by the electric motor (2) to generate a main airflow (F); filtering means (8) interposed between the fan (6) and the commutator (4) and comprising a first casing (9) defining a first chamber (11) for a filtering element (10) arranged for retaining powders/scraps of a material constituting the brushes (5); a second casing (15) defining a second chamber (16) to contain the commutator (4) and first ends (5a) of the brushes (5) and connected to the first chamber (11) through a first passage opening (12) of the first casing (9), that comprises a second passage opening (13) facing the fan (6); the second casing (15) comprises a third passage opening (17) facing the stator (21); the openings (12, 13, 17) allow the passage of a secondary airflow (A) generated by the fan (6), entering the second casing (15) and leaving the first casing (9) to convey the powders/scraps of material into the filtering element (10).
IPC 8 full level
A45D 20/04 (2006.01)
CPC (source: EP)
A45D 20/04 (2013.01)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
WO 2020217189 A1 20201029; EP 3958707 A1 20220302; EP 3958707 B1 20230607; EP 3958707 C0 20230607; ES 2952234 T3 20231030; IT 201900006306 A1 20201024
DOCDB simple family (application)
IB 2020053814 W 20200422; EP 20728188 A 20200422; ES 20728188 T 20200422; IT 201900006306 A 20190424