AIR CONDITIONER

• Main Authors: TAKAOKA AKIRA, OKA KOTARO, SHIMANO TAIKI, WATANABE MASATOSHI, NAKADA SHOHEI, MAEMA YOSHINARI
• Format: Patent
• Language: English; Japanese
• Published: 01.10.2020
• Subjects: AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING; BLASTING; DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION; HEAT EXCHANGE IN GENERAL; HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT; HEATING; LIGHTING; MECHANICAL ENGINEERING; RANGES; VENTILATING; WEAPONS

To provide a heat exchanger suppressed in dew splash of condensate water staying on a surface of a fin or a flat tube.SOLUTION: A heat exchanger 31 includes a plurality of flat tubes 40, a fin 50 provided with a plurality of cutout portions 51 arranged in a gravity direction to insert the plurality of flat tubes 40, a plurality of intermediate portions 52 respectively formed between the cutout portions 51 positioned vertically adjacent to each other, and a communication portion 53 for connecting the intermediate portions 52, first bulging portions 54 disposed in a state that at least partially positioned on the intermediate portions 52, and a second bulging portion 55 disposed on the communication portion 53 to close a clearance S between the flat tubes 40 and the first bulging portions 54. The first bulging portions 54 and the second bulging portion 55 are disposed so that air flow passes through at least one of them in a ventilation direction.SELECTED DRAWING: Figure 4 【課題】フィン又は扁平管の表面に滞留した凝縮水の露飛びを抑制した熱交換器を提供する。【解決手段】熱交換器３１は、複数の扁平管４０と、複数の扁平管４０を差し込む複数の切欠き部５１が重力方向に並んで配置され、上下に隣り合って位置する切欠き部５１同士の間に形成された複数の中間部５２及び中間部５２同士を接続する連通部５３を有するフィン５０と、その少なくとも一部が中間部５２に位置するように設けられた第１膨出部５４と、連通部５３に扁平管４０と第１膨出部５４との間隙Ｓを塞ぐように設けられた第２膨出部５５と、を備え、第１膨出部５４及び第２膨出部５５は、空気流が通風方向においてその少なくとも一方を通過するように配置される。【選択図】図４