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Patent Searching and Data


Title:
ELECTRIC HOUSEHOLD APPLIANCE WITH AN ELECTRONIC CONTROL DEVICE FOR CONTROLLING AN UNIVERSAL ELECTRIC MOTOR
Document Type and Number:
WIPO Patent Application WO/2014/206719
Kind Code:
A3
Abstract:
An electric household appliance (1), particularly a laundry treating machine, comprising an universal electric motor (6) provided with a first stator winding portion (19) having a first terminal connectable to a voltage source and a second terminal which is connected to a second stator winding portion (20). The household appliance (1) further comprising electronic control means (11) which comprise a chopper regulating circuit (13) which is configured to chopper-regulate the current (I) supplied to the motor (6) based on a first value indicating the required rotor speed (ωr), and a filtering circuit (14) comprising a least one capacitor (25) and an power factor corrector inductor (18) being said first stator winding portion (19). The electronic control means (11) are further configured to selectively connect said capacitor (15) to said first or said second terminal of said first stator winding portion (19).

Inventors:
MAGUOLO COSTANTINO (IT)
LAZZARIN ALBERTO (IT)
Application Number:
PCT/EP2014/062022
Publication Date:
March 19, 2015
Filing Date:
June 10, 2014
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
ELECTROLUX APPLIANCES AB (SE)
International Classes:
H02P1/20; H02P7/29; H02P23/00
Foreign References:
EP2317631A12011-05-04
US4042865A1977-08-16
US20070146958A12007-06-28
FR2138847A11973-01-05
Attorney, Agent or Firm:
NARDONI, Andrea et al. (Corso Lino Zanussi 30, Porcia, IT)
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