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Appliance having noise reduction device

  • US 9,299,332 B2
  • Filed: 05/09/2013
  • Issued: 03/29/2016
  • Est. Priority Date: 05/10/2012
  • Status: Active Grant
First Claim
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1. An appliance, comprising:

  • a cabinet that defines an external appearance thereof;

    a drive provided within the cabinet to drive the appliance; and

    a noise reduction device to reduce noise generated by the drive, wherein the noise reduction device includes;

    a resonance member, at least one side of which is an open and including a hollow portion formed therein, wherein the resonance member has one or more closed surfaces except for the at least one open side; and

    a sound absorbing plate coupled to the at least one open side, the sound absorbing plate having a plurality of sound absorbing holes, wherein the sound absorbing plate is directed toward the drive of the appliance.

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