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  • F25D21/00
    		•  Defrosting; Preventing frosting; Removing condensed or defrost water (removing ice or water from heat-exchange apparatus in general F28F 17/00; heating arrangements specially adapted for transparent or reflecting areas H05B 3/84) HB CC 3L046
  • F25D21/02
    		•  .Detecting the presence of frost or condensate HB CC 3L046
  • F25D21/02@A
    		•  optical detection type HB CC 3L046
  • F25D21/02@B
    		•  detection type for detecting temperature changes HB CC 3L046
  • F25D21/02@C
    		•  detection type using piezo-electric elements HB CC 3L046
  • F25D21/02@D
    		•  detection type for detecting changes in the wind speed, wind pressure, or wind amount HB CC 3L046
  • F25D21/02@E
    		•  visually displaying frost falling HB CC 3L046
  • F25D21/02@F
    		•  detection types other than the aforementioned HB CC 3L046
  • F25D21/02@Z
    		•  Others HB CC 3L046
  • F25D21/04
    		•  .Preventing the formation of frost or condensate HB CC 3L047
  • F25D21/04@A
    		•  domestic refrigerators HB CC 3L047
  • F25D21/04@B
    		•  .prevention of condensed water from forming at the edge of the aperture HB CC 3L047
  • F25D21/04@E
    		•  ..using electric heaters HB CC 3L047
  • F25D21/04@F
    		•  ..using high-pressure side refrigerant pipes (condensation pipes) HB CC 3L047
  • F25D21/04@G
    		•  .prevention of condensed water from forming at the front end face of the partition wall HB CC 3L047
  • F25D21/04@H
    		•  ..using electric heaters HB CC 3L047
  • F25D21/04@J
    		•  ..using high-pressure side refrigerant pipes (condensation pipes) HB CC 3L047
  • F25D21/04@K
    		•  .prevention of condensed water from forming on the infra-storehouse wall surface HB CC 3L047
  • F25D21/04@L
    		•  .prevention of condensed water from forming on the outside-storehouse wall surface HB CC 3L047
  • F25D21/04@M
    		•  .prevention of condensed water from forming in the ducts or air blowers HB CC 3L047
  • F25D21/04@N
    		•  cold rooms, freezing containers HB CC 3L047
  • F25D21/04@C
    		•  freezing showcases HB CC 3L047
  • F25D21/04@P
    		•  .closed showcases HB CC 3L047
  • F25D21/04@Q
    		•  ..prevention of condensed water from forming on transparent doors HB CC 3L047
  • F25D21/04@R
    		•  ..prevention of condensed water from forming in ducts or in the neighborhood of their exits or inlets HB CC 3L047
  • F25D21/04@S
    		•  .open showcases HB CC 3L047
  • F25D21/04@T
    		•  ..prevention of condensed water in the neighborhood of the blowing port and intake port of air curtains HB CC 3L047
  • F25D21/04@U
    		•  ..prevention of condensed water from forming on the inner wall surface or loading shelf HB CC 3L047
  • F25D21/04@V
    		•  ..prevention of condensed water from forming on the external wall surface HB CC 3L047
  • F25D21/04@D
    		•  heat exchangers suited to prevention of forming of condensed water or frost (evaporators F25B 39/02; heat exchangers F28) HB CC 3L047
  • F25D21/04@Z
    		•  Others HB CC 3L047
  • F25D21/06
    		•  .Removing frost (defrosting cycles F25B 47/02) HB CC 3L046
  • F25D21/06@B
    		•  by the hot gas bypass type HB CC 3L046
  • F25D21/06@C
    		•  by the reverse cycle type HB CC 3L046
  • F25D21/06@D
    		•  by a type other than the aforementioned for flowing hot gas or hot liquid refrigerants HB CC 3L046
  • F25D21/06@F
    		•  refreezing showcases of the air defrosting type having single-layer air curtains HB CC 3L046
  • F25D21/06@G
    		•  refreezing showcases of the air defrosting type having plural-layer air curtains HB CC 3L046
  • F25D21/06@H
    		•  cycle defrosting type HB CC 3L046
  • F25D21/06@J
    		•  off-cycle defrosting type HB CC 3L046
  • F25D21/06@K
    		•  combined with two or more kinds of defrosting types HB CC 3L046
  • F25D21/06@L
    		•  by the other defrosting types HB CC 3L046
  • F25D21/06@M
    		•  not classified into the defrosting type HB CC 3L046
  • F25D21/06@N
    		•  .defrosting control devices HB CC 3L046
  • F25D21/06@P
    		•  ..defrosting control switches HB CC 3L046
  • F25D21/06@Q
    		•  ...timer switches HB CC 3L046
  • F25D21/06@R
    		•  ...temperature sensitive switches HB CC 3L046
  • F25D21/06@S
    		•  ...calculation switches HB CC 3L046
  • F25D21/06@Z
    		•  Others HB CC 3L046
  • F25D21/08
    		•  ..by electric heating HB CC 3L046
  • F25D21/08@A
    		•  control devices HB CC 3L046
  • F25D21/08@B
    		•  .timer type HB CC 3L046
  • F25D21/08@D
    		•  defrosting of plate fin type evaporators by heaters HB CC 3L046
  • F25D21/08@E
    		•  .using radiation heaters HB CC 3L046
  • F25D21/08@F
    		•  defrosting of roll bond type or pipe on-sheet type evaporators by heaters HB CC 3L046
  • F25D21/08@G
    		•  defrosting of evaporators of the other types by heaters HB CC 3L046
  • F25D21/08@H
    		•  not classified in the evaporator type (A takes precedence) HB CC 3L046
  • F25D21/08@Z
    		•  Others HB CC 3L046
  • F25D21/10
    		•  ..by spraying with fluid HB CC 3L046
  • F25D21/10@A
    		•  blowing gas HB CC 3L046
  • F25D21/10@B
    		•  blowing liquids HB CC 3L046
  • F25D21/10@C
    		•  using gas blowing and liquid blowing together HB CC 3L046
  • F25D21/10@Z
    		•  Others HB CC 3L046
  • F25D21/12
    		•  ..by hot-fluid circulating system separate from the refrigerant system HB CC 3L046
  • F25D21/14
    		•  .Collecting or removing condensed and defrost water; Drip trays HB CC 3L048
  • F25D21/14@A
    		•  drain collection or transfer HB CC 3L048
  • F25D21/14@B
    		•  .of the directly cooling type by domestic refrigerators HB CC 3L048
  • F25D21/14@C
    		•  .of the cold air natural circulation type by domestic refrigerators (B takes precedence) HB CC 3L048
  • F25D21/14@D
    		•  .combined with the direct cooling type and cold air natural circulation type by domestic refrigerators HB CC 3L048
  • F25D21/14@E
    		•  .of the cold air forced circulation type by domestic refrigerators HB CC 3L048
  • F25D21/14@F
    		•  ..evaporators installed behind in the storehouse HB CC 3L048
  • F25D21/14@G
    		•  ..evaporators installed in the intermediate partition wall HB CC 3L048
  • F25D21/14@H
    		•  .combined with the cold air natural circulation type and cold air forced circulation type by domestic refrigerators HB CC 3L048
  • F25D21/14@J
    		•  .domestic refrigerators being not classified in the cold air circulation type HB CC 3L048
  • F25D21/14@K
    		•  .freezing showcases of the cold air natural circulation type HB CC 3L048
  • F25D21/14@L
    		•  .freezing showcases of the cold air forced circulation type HB CC 3L048
  • F25D21/14@M
    		•  .freezing showcases of the cold air circulation type HB CC 3L048
  • F25D21/14@N
    		•  drain processing HB CC 3L048
  • F25D21/14@P
    		•  .using drain HB CC 3L048
  • F25D21/14@Q
    		•  .discarding drain HB CC 3L048
  • F25D21/14@R
    		•  ..naturally evaporating HB CC 3L048
  • F25D21/14@S
    		•  ..executing force air ventilation HB CC 3L048
  • F25D21/14@T
    		•  ..using electric heaters HB CC 3L048
  • F25D21/14@U
    		•  ..using heat of compressors HB CC 3L048
  • F25D21/14@V
    		•  ..using heat of condensers HB CC 3L048
  • F25D21/14@W
    		•  ..using the other heat sources HB CC 3L048
  • F25D21/14@X
    		•  ..with evaporation means other than heating HB CC 3L048
  • F25D21/14@Z
    		•  Others HB CC 3L048
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