Air cooling apparatus
AssigneeHitachi, Ltd.
InventorsKunio Fujie, Yoshinori Otsuka, Yoshifumi Kunugi, Mituo Kudo
Life of this patent
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Abstract
An air cooling apparatus having a cooler including a plurality of fins arranged in substantially parallel relationship with a predetermined spacing therebetween and heat transfer tubes extending through the fins in a plurality of positions in the fins is further provided with at least one defrosting device having a plurality of projecting members of a width slightly smaller than the spacing between the fins which projecting members are each located between the adjacent two fins. The defrosting device is mounted for rotation about the heat transfer tubes and operative to remove frost from the surfaces of the cooler while rotating which frost has been formed during the operation of the air cooler.
Claims9
An air cooling apparatus comprising:
- a cooler comprising a plurality of fins and a plurality of heat transmitting tubes, said fins being arranged in substantially parallel relationship with a predetermined spacing therebetween and each being formed with an open space in the central portion thereof, and said heat transmitting tubes extending through said fins in a plurality of positions in the fins;
- at least one defrosting device comprising a plurality of projecting members of a width slightly smaller than the spacing between the adjacent two fins and a connecting member for connecting said projecting members together and mounted on said cooler for rotation;
- and
- means for rotating said defrosting device around the heat transfer tubes with each of the projecting members being located between the adjacent two fins.
Dependencies are inferred from the claim text.