| 摘要 |
The present invention relates to a defroster (5-10) for defrosting a gas cooling arrangement (4) of a freezer, comprising a sound generator (5) arranged to generate a sound pulse and to subject said gas cooling arrangement (4) to said sound pulse such that an amount of frost formed on said gas cooling arrangement (4) is reduced by removing frost formed on said gas cooling arrangement (4) by means of sound energy in said sound pulse. The present invention also relates to a freezer system comprising such a defroster (5-10) and a gas cooling arrangement (4). The present invention also relates to a method for defrosting a gas cooling arrangement (4) of a freezer. Figure elected for publication. |
