An interceptive material 10, which intercepts the flow of the air going from the exhaust vent 12 to the intake vent 11 along the rotating direction of the rotating part 42, is placed in the housing 40. そして、ハウジング40に、排気口12から回動部42の回動方向に沿って吸気口11に向かう空気の流れを阻止する阻止部材10を設ける。 - 特許庁
To provide an electromagnetic relay with excellent conductivity and an interceptive property, having a small size and capable of controlling three-phase currents of a three-phase motor and so on simultaneously. 通電性能および遮断性能に優れ、小型で、三相モータなどの三相を流れる各電流を同時に制御可能な電磁継電器を提供すること。 - 特許庁