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Washing machine

  • US 8,844,324 B2
  • Filed: 10/08/2008
  • Issued: 09/30/2014
  • Est. Priority Date: 12/25/2007
  • Status: Active Grant
First Claim
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1. A washing machine which includes a washing tub, and is configured to perform a washing step by using detergent water retained in the washing tub and containing a detergent dissolved therein, and then perform a rinsing step, the washing machine comprising:

  • a cleaning air generator which generates cleaning air containing ozone; and

    cleaning air generator controlling means comprising a microcomputer which deactuates the cleaning air generator in the washing step, and actuates the cleaning air generator only in the rinsing step to mix the cleaning air with rinsing water;

    wherein the rinsing step is divided into at least two rinsing steps, including a first rinsing step performed for a first rinsing period and a second rinsing step performed for a second rinsing period that is longer than the first period, wherein in the first rinsing step, the actuation period of the cleaning air generator is reduced to mainly remove residual detergent component by the cleaning air mixed with the rinsing water, and in the second rinsing step, the cleaning air generator is actuated for a longer actuation period.

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