HEAT EXCHANGER AND HEAT EXCHANGER MANUFACTURING METHOD

• Main Authors: TANIMOTO KOICHI, YOSHIOKA MASAHIRO, OGATA FUMIKAZU, YOSHIDA YOSHIHIKO, HARA NOBUHIDE, SAKAGUCHI YUKIHIRO
• Format: Patent
• Language: English; Japanese
• Published: 05.03.2015
• Subjects: BLASTING; DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION; HEAT EXCHANGE IN GENERAL; HEATING; LIGHTING; MECHANICAL ENGINEERING; WEAPONS

PROBLEM TO BE SOLVED: To provide a heat exchanger and a heat exchanger manufacturing method capable of suppressing separation of adhesive and suppressing degradation in adhesiveness between a heat transfer tube and fins.SOLUTION: A heat exchanger 1 includes: a heat transfer tube 10; a plurality of fins 11 attached to the heat transfer tube 10 from radially outward of the heat transfer tube 10, and each including a circular arc contact surface 17 in contact with an outer peripheral surface of the heat transfer tube 10; an adhesive 21 adhesively bonding the outer peripheral surface of the heat transfer tube 10 to the contact surfaces 17 of the respective fins 11; and a position restriction unit 22 provided between the adjacent fins 11 in a tube axial direction, and restricting a position of each fin 11 in the tube axial direction. 【課題】接着剤の剥離を抑制し、伝熱管とフィンとの密着性の低下を抑制することができる熱交換器及び熱交換器の製造方法を提供する。【解決手段】熱交換器１は、伝熱管１０と、伝熱管１０の径方向外側から取り付けられ、伝熱管１０の外周面に接触する円弧状の接触面１７を有する複数のフィン１１と、伝熱管１０の外周面と各フィン１１の接触面１７とを接着する接着剤２１と、管軸方向において隣接するフィン１１同士の間に設けられ、各フィン１１の管軸方向における位置を規制する位置規制部２２と、を備える。【選択図】図４