Patent ID: 9013900
Filing Date: 2015-04-21
Classification: H01F,H02M,H03H,Y02B

Abstract:
1. A noise reduction unit comprising: a plurality of cores each having formed therein a through hole; a plurality of wires connected to a noise source and each wound around the corresponding core of the plurality of cores through the through hole of the corresponding core; and a core supporting member that supports the plurality of cores, wherein the core supporting member supports the plurality of cores such that the plurality of cores is disposed parallel to each other along a through direction of the each through hole formed in the plurality of cores and spaced apart from each other with a predetermined gap in the through direction, wherein the core supporting member is a heat-shrinkable tube, and wherein the plurality of cores is supported in the heat-shrinkable tube by shrinking the heat-shrinkable tube under heat after disposing the plurality of cores in the heat-shrinkable tube.