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1. 发明公开

EP3173725A4 HEAT EXCHANGER AND AIR-CONDITIONING AND REFRIGERATING APPARATUS WITH HEAT EXCHANGER 审中-公开
公开(公告)号：EP3173725A4
公开(公告)日：2018-04-04
申请号：EP14898303
申请日：2014-07-25
申请人： MITSUBISHI ELECTRIC CORP
发明人： ISHIBASHI AKIRA , HIGASHIIUE SHINYA , ITO DAISUKE , MATSUI SHIGEYOSHI , NAKAMURA SHIN , UGAJIN YUKI , OKAZAKI TAKASHI , MOCHIZUKI ATSUSHI
IPC分类号： F28F17/00 , F25B39/02 , F28D1/053 , F28F1/12 , F28F1/30
CPC分类号： F25B39/02 , F28D1/05391 , F28F1/128 , F28F1/30 , F28F17/00 , F28F17/005 , F28F2265/22
摘要： A heat exchanger includes a heat exchange unit 10 including a plurality of flat pipe groups 11 A and 11 B arranged in rows in a direction of depth of the heat exchanger and corrugated fins 12 each shared between the plurality of flat pipe groups 11 A and 11 B in the rows. The plurality of flat pipe groups 11 A and 11 B have an inter-row gap 16 between the plurality of flat pipe groups 11 A and 11 B and each include a plurality of flat pipes 11 standing in a gravitational direction. The corrugated fins 12 each include a first drainage portion 17 between adjacent ones of the rows of the plurality of flat pipe groups 11 A and 11 B to communicate with the inter-row gap 16.

2. 发明公开

EP3205968A4 HEAT EXCHANGER AND AIR CONDITIONING DEVICE 有权
公开(公告)号：EP3205968A4
公开(公告)日：2018-05-23
申请号：EP14903727
申请日：2014-10-07
申请人： MITSUBISHI ELECTRIC CORP
发明人： ITO DAISUKE , NAKAMURA SHIN , MOCHIZUKI ATSUSHI
IPC分类号： F28F9/02
CPC分类号： F25B39/00 , F25B13/00 , F25B39/028 , F28F9/02 , F28F9/0243 , F28F9/0275 , F28F9/0278
摘要： A heat exchanger (1) includes a main heat exchange unit (10) including a plurality of first heat transfer pipes (11) arranged side by side, a sub-heat exchange unit (20) including a plurality of second heat transfer pipes (21) arranged side by side, and a relay unit (40) including a plurality of relay passages (40A) connecting the plurality of first heat transfer pipes (11) and the plurality of second heat transfer pipes (21). Each of the plurality of relay passages (40A) has one inlet (40Aa) connected to a corresponding one of the plurality of second heat transfer pipes (21), and a plurality of outlets (40Ab) each connected to a corresponding one of the plurality of first heat transfer pipes (11). Each of the plurality of relay passages (40A) distributes refrigerant flowing from the one inlet (40Aa), without merging streams of the refrigerant together, and causes the refrigerant to flow out of the plurality of outlets (40Ab).

3. 发明公开

EP3306251A4 HEAT EXCHANGER 有权
公开(公告)号：EP3306251A4
公开(公告)日：2018-05-09
申请号：EP15894078
申请日：2015-05-29
申请人： MITSUBISHI ELECTRIC CORP
发明人： NAKAMURA SHIN , ISHIBASHI AKIRA , TAKAHASHI TOMOHIKO , OGATA HIDENARI , TERASHIMA RYO , ONO JUNICHI , UEYAMA SATOSHI , KATO YOHEI , TANDA TSUBASA , KITANI KENICHI
IPC分类号： F28F1/32 , F25B39/02 , F28F1/02 , F28F17/00
CPC分类号： F28F17/005 , F25B39/02 , F28D1/05366 , F28D2021/0071 , F28F1/325 , F28F2215/12
摘要： A heat exchanger includes a fin having a plate shape and including a first region where a plurality of cutout portions are formed with intervals in a longitudinal direction that is a gravity direction, and a second region where the plurality of cutout portions are not formed in the longitudinal direction, and flat tubes attached to the plurality of cutout portions and intersecting the fin. Protruding portions protruding from a planar portion of the fin are formed on the fin, and the protruding portions each have a shape in which a first end is located in the first region and a second end is located in the second region and below the first end.

4. 发明公开

EP3128263A4 HEAT EXCHANGER AND AIR CONDITIONER 有权
公开(公告)号：EP3128263A4
公开(公告)日：2018-01-10
申请号：EP15757924
申请日：2015-03-06
申请人： MITSUBISHI ELECTRIC CORP
发明人： ISHIBASHI AKIRA , HIGASHIIUE SHINYA , ITO DAISUKE , MATSUI SHIGEYOSHI , NAKAMURA SHIN , UGAJIN YUKI , OKAZAKI TAKASHI , MOCHIZUKI ATSUSHI
IPC分类号： F25B39/04 , F25B39/02 , F28D1/04 , F28D1/047 , F28F1/32 , F28F9/26
CPC分类号： F25B39/04 , F25B39/02 , F28D1/0461 , F28D1/0475 , F28D1/0477 , F28F1/32 , F28F9/262 , F28F2215/02 , F28F2250/102 , F28F2250/108
摘要： A heat exchanger includes a primary heat exchange portion and a secondary heat exchange portion. The primary heat exchange portion includes first primary fins provided parallel to a direction in which a fan sends air, first primary pipes that are inserted into the first primary fins and through which refrigerant flows, second primary fins positioned windward of the first primary fins and provided parallel to the direction in which the fan sends air, second primary pipes that are inserted into the second primary fins and through which the refrigerant flows, and a primary-pipe connecting component extending in a direction parallel to the direction in which the fan sends air, and connecting one of the first primary pipes and one of the second primary pipes. The secondary heat exchange portion includes first secondary fins provided parallel to the direction in which the fan sends air, first secondary pipes that are inserted into the first secondary fins and through which the refrigerant flows, second secondary fins positioned windward of the first secondary fins and provided parallel to the direction in which the fan sends air, second secondary pipes that are inserted into the second secondary fins and through which the refrigerant flows, and a secondary-pipe connecting component extending in the direction parallel to the direction in which the fan sends air, and connecting one of the first secondary pipes and one of the second secondary pipes. When the heat exchanger acts as an evaporator, the refrigerant flows through the primary heat exchange portion from the first primary pipes toward the second primary pipes and the refrigerant flows through the secondary heat exchange portion from the second secondary pipes toward the first secondary pipes. When the heat exchanger acts as a condenser, the refrigerant flows through the primary heat exchange portion from the second primary pipes toward the first primary pipes and the refrigerant flows through the secondary heat exchange portion from the first secondary pipes toward the second secondary pipes.

5. 发明公开

EP3306252A4 HEAT EXCHANGER AND REFRIGERATION CYCLE APPARATUS 有权
公开(公告)号：EP3306252A4
公开(公告)日：2018-05-09
申请号：EP15894123
申请日：2015-05-29
申请人： MITSUBISHI ELECTRIC CORP
发明人： NAKAMURA SHIN , ISHIBASHI AKIRA , LEE SANGMU , UEYAMA SATOSHI , TANDA TSUBASA
IPC分类号： F28F1/32 , F28D1/053 , F28F17/00
CPC分类号： F28F17/005 , F28D1/0535 , F28D1/05366 , F28F1/325 , F28F2215/12
摘要： A heat exchanger 1, to which airflow is supplied from a fan 70, includes a plate fin 2, a flat tube 3 (first flat tube) intersecting with the plate fin 2, and a flat tube 30 (second flat tube) opposed to a flat tube lower surface 3c of the flat tube 3, the flat tube 30 being spaced from the flat tube 3 and arranged so as to intersect with the plate fin 2. A flat tube windward lateral surface 3b of the flat tube 3 and a flat tube windward lateral surface 3b of the flat tube 30 are located on an inner side of a peripheral edge of the plate fin 2. The plate fin 2 includes an elevated portion 23 formed between the flat tube 3 and the flat tube 30. The elevated portion 23 is located between a first imaginary plane 32, connecting the flat tube windward lateral surface 3b of the flat tube 3 and the flat tube windward lateral surface 3b of the flat tube 30, and a second imaginary plane 34, connecting a center of the flat tube lower surface 3c of the flat tube 3 and a center of the flat tube upper surface 3a of the flat tube 30.

6. 发明公开

EP3193121A4 HEAT EXCHANGER AND METHOD FOR MANUFACTURING PLATE-LIKE FIN FOR HEAT EXCHANGER 有权
公开(公告)号：EP3193121A4
公开(公告)日：2018-04-25
申请号：EP14901620
申请日：2014-09-08
申请人： MITSUBISHI ELECTRIC CORP
发明人： NAKAMURA SHIN , ISHIBASHI AKIRA , HIGASHIIUE SHINYA , ITO DAISUKE , MATSUI SHIGEYOSHI , UGAJIN YUKI , OKAZAKI TAKASHI , MOCHIZUKI ATSUSHI
IPC分类号： F28F1/32 , B21D53/08 , F25B39/00 , F28D1/053
CPC分类号： F28D1/053 , B21D53/08 , F25B39/00 , F28F1/32 , Y02B30/22
摘要： Plate-shaped fins 3 of a heat exchanger 4 each include, at circumferential portions thereof defining a notch 2 in which a heat transfer tube 1 having a flattened shape is disposed, fin collars 5 formed by being raised from the circumferential portions. Each of the fin collars 5 includes, in a position that faces a long axis side surface of the heat transfer tube 1, at least one reflare section 6 bent in a direction opposite to the side surface. At least one of the reflare sections 6 defining fin pitches between the adjoining plate-shaped fins 3 is formed so that a reflare tip portion 6b, which is a tip portion of the reflare section 6, is drawn apart from a contact side surface of the plate-shaped fin 3 with which the reflare section 6 comes into contact.

7. 发明公开

EP3091322A4 FIN AND TUBE-TYPE HEAT EXCHANGER AND REFRIGERATION CYCLE DEVICE PROVIDED THEREWITH 有权
标题翻译： RIPPE UNDROHRFÖRMIGERWÄRMETAUSCHERSOWIEKÄLTEKREISLAUFVORRICHTUNGDAMIT
公开(公告)号：EP3091322A4
公开(公告)日：2017-03-08
申请号：EP15868658
申请日：2015-03-02
申请人： MITSUBISHI ELECTRIC CORP
发明人： TANDA TSUBASA , ISHIBASHI AKIRA , NAKAMURA SHIN , UEYAMA SATOSHI , KAWASHIMA AYA
IPC分类号： F28F1/32 , F25B39/02 , F28D1/053
CPC分类号： F28F1/325 , F25B39/00 , F25B39/02 , F28D1/05383 , F28F1/32 , F28F2215/08 , F28F2215/10 , F28F2215/12
摘要： Provided are rectangular plate-like fins 2 layered at intervals; and flat tubes 3 which are perpendicularly extended through the layered plate-like fins 2 and are provided on multiple levels along a longitudinal direction of the plate-like fins 2. The plate-like fins 2 are provided with at least one heat transfer promoting section 6 that is positioned in a region between adjacently-positioned flat tubes 3 and in which ridge sections 4 and valley sections 5 having ridgelines extending in the longitudinal direction of the plate-like fins 2 are arranged to alternate. In the heat transfer promoting section 6, at least one slit 7 allowing communication between a front and a back of the plate-like fin 2 is formed on a downwind side of the ridge sections 4.
摘要翻译：设置有间隔地分层的矩形板状翅片2。和扁平管3，其通过层状板状翅片2垂直延伸，并且沿着板状翅片2的纵向方向设置在多个水平面上。板状翅片2设置有至少一个传热促进部分 6位于相邻定位的扁平管3之间的区域中，其中具有沿板状翅片2的纵向方向延伸的脊线的脊部分4和谷部分5布置成交替。在传热促进部6中，在脊部4的顺风侧形成有允许板状翅片2的前后的连通的至少一个狭缝7。

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