Method of controlling washing machine and washing machine

Bleaching and dyeing; fluid treatment and chemical modification – Fluid treatment – Manipulation of liquid

Reexamination Certificate

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Details

C068S015000

Reexamination Certificate

active

07950089

ABSTRACT:
A method of controlling a washing machine and a washing machine, in which the energy efficiency of a washing machine can be optimized without incurring additional costs are provided. The method includes heating wash water contained in a washing tub; and supplying steam into the washing tub, wherein a time frame during which the heating the wash water is performed at least partially overlaps with a time frame during which the supplying steam is performed. The washing machine includes a cabinet; a washing tub disposed in the cabinet; a wash water heating unit; and a steam supply unit, wherein a time frame during which the wash water heating unit heats the wash water in the washing tub at least partially overlaps with a time frame during which the steam supply unit supplies steam into the washing tub.

REFERENCES:
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patent: 3402576 (1968-09-01), Krupsky
patent: 3935719 (1976-02-01), Henderson
patent: 7627920 (2009-12-01), Wong et al.
patent: 7690062 (2010-04-01), Pinkowski et al.
patent: 7730568 (2010-06-01), Wong et al.
patent: 2006/0101586 (2006-05-01), Park et al.
patent: 2006/0117596 (2006-06-01), Kim et al.
patent: 02-198595 (1990-08-01), None
patent: 05-023493 (1993-02-01), None
Europena Patent Office EP 0 816 550 Jan. 1998.

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