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1. 发明授权

US08347826B2 Heat exchanger, water heater and water tube 有权
标题翻译：热交换器，热水器和水管
公开(公告)号：US08347826B2
公开(公告)日：2013-01-08
申请号：US12269436
申请日：2008-11-12
申请人： Keiichi Amada
发明人： Keiichi Amada
IPC分类号： F28F1/36
CPC分类号： F24H1/43
摘要： A water tube WT of a heat exchanger B includes a helical tube body 5 which includes a plurality of loops 50 arranged in the axial direction. At least one of the loops 50 includes an inclined tube portion which is inclined with respect to the axial direction and a non-inclined tube portion extending perpendicularly to the axial direction. The inclined tube portion is provided at each of opposite end regions s2a and s2b in a width direction crossing the axial direction, whereas the non-inclined tube portion is provided at an intermediate region S1 in the width direction. With this structure, the pitch p2 of the loops 50 is reduced. Therefore, by increasing the number of loops 50, high heat exchange efficiency is achieved without considerably increasing the size of the helical tube body 5.
摘要翻译：热交换器B的水管WT包括螺旋管体5，其包括沿轴向布置的多个环50。回路50中的至少一个包括相对于轴向倾斜的倾斜管部分和垂直于轴向方向延伸的非倾斜管部分。倾斜管部设置在与轴向交叉的宽度方向上的各端区域s2a，s2b的各侧，而非倾斜管部设置在宽度方向的中间区域S1。利用这种结构，环路50的间距p2减小。因此，通过增加回路50的数量，实现高的热交换效率，而不会显着增加螺旋管体5的尺寸。

2. 发明申请

US20090064945A1 HEAT EXCHANGER, WATER HEATER AND WATER TUBE 有权
标题翻译：热交换器，水加热器和水管
公开(公告)号：US20090064945A1
公开(公告)日：2009-03-12
申请号：US12269436
申请日：2008-11-12
申请人： Keiichi AMADA
发明人： Keiichi AMADA
IPC分类号： F24D17/00 , F22B37/10
CPC分类号： F24H1/43
摘要： A water tube WT of a heat exchanger B includes a helical tube body 5 which includes a plurality of loops 50 arranged in the axial direction. At least one of the loops 50 includes an inclined tube portion which is inclined with respect to the axial direction and a non-inclined tube portion extending perpendicularly to the axial direction. The inclined tube portion is provided at each of opposite end regions s2a and s2b in a width direction crossing the axial direction, whereas the non-inclined tube portion is provided at an intermediate region S1 in the width direction. With this structure, the pitch p2 of the loops 50 is reduced. Therefore, by increasing the number of loops 50, high heat exchange efficiency is achieved without considerably increasing the size of the helical tube body 5.
摘要翻译：热交换器B的水管WT包括螺旋管体5，其包括沿轴向布置的多个环50。回路50中的至少一个包括相对于轴向倾斜的倾斜管部分和垂直于轴向方向延伸的非倾斜管部分。倾斜管部设置在与轴向交叉的宽度方向上的各端区域s2a，s2b的各侧，而非倾斜管部设置在宽度方向的中间区域S1。利用这种结构，环路50的间距p2减小。因此，通过增加回路50的数量，实现高的热交换效率，而不会显着增加螺旋管体5的尺寸。

3. 发明申请

US20080006226A1 Water Heater 失效
标题翻译：热水器
公开(公告)号：US20080006226A1
公开(公告)日：2008-01-10
申请号：US11661263
申请日：2005-12-16
申请人： Nobuhiro Takeda , Hiroshi Asakura , Akira Tsutsumi , Kazuhiro Kimura , Shuji Kameyama , Keiichi Amada , Hironao Matsunaga
发明人： Nobuhiro Takeda , Hiroshi Asakura , Akira Tsutsumi , Kazuhiro Kimura , Shuji Kameyama , Keiichi Amada , Hironao Matsunaga
IPC分类号： F24H1/00
CPC分类号： F28F17/005 , F24H1/40 , F24H8/00 , F28D7/1638 , Y02B30/102
摘要： A secondary heat exchanger B for recovering latent heat from combustion gas includes water tubes 5 each of which is so inclined that a first end 50a is positioned lower than a second end 50b. Therefore, in draining water from each of the water tubes 5, water can be caused to flow smoothly into a water-inflow and hot-water-outflow header 6A connected to the first ends 50a. The secondary heat exchanger B includes a casing 7 which includes an upper wall 70a and a bottom wall 70b which are so inclined that the inner surfaces thereof extend generally in parallel with the water tubes 5, and the upper and the lower gaps 79a and 79b have constant widths s2 and s3. Therefore, the amount of heat recovery from the combustion gas passing through the gaps 79a and 79b can be increased.
摘要翻译：用于从燃烧气体回收潜热的二次热交换器B包括水管5，每个水管5倾斜使得第一端部50a位于比第二端部50b低的位置。因此，在从每个水管5排出水时，可以使水顺利地流入连接到第一端部50a的流入水和热水流出集管6A。二次热交换器B包括壳体7，壳体7包括上壁70a和底壁70b，所述上壁70a和底壁70b倾斜，使得其内表面大致与水管5平行地延伸，并且上部和下部间隙79a 和79b具有恒定的宽度s 2和s 3。因此，可以增加通过间隙79a和79b的燃烧气体的热量回收量。

4. 发明授权

US07458340B2 Water heater 失效
标题翻译：热水器
公开(公告)号：US07458340B2
公开(公告)日：2008-12-02
申请号：US11661263
申请日：2005-12-16
申请人： Nobuhiro Takeda , Hiroshi Asakura , Akira Tsutsumi , Kazuhiro Kimura , Shuji Kameyama , Keiichi Amada , Hironao Matsunaga
发明人： Nobuhiro Takeda , Hiroshi Asakura , Akira Tsutsumi , Kazuhiro Kimura , Shuji Kameyama , Keiichi Amada , Hironao Matsunaga
IPC分类号： F22B1/02
CPC分类号： F28F17/005 , F24H1/40 , F24H8/00 , F28D7/1638 , Y02B30/102
摘要： A secondary heat exchanger B for recovering latent heat from combustion gas includes water tubes 5 each of which is so inclined that a first end 50a is positioned lower than a second end 50b. Therefore, in draining water from each of the water tubes 5, water can be caused to flow smoothly into a water-inflow and hot-water-outflow header 6A connected to the first ends 50a. The secondary heat exchanger B includes a casing 7 which includes an upper wall 70a and a bottom wall 70b which are so inclined that the inner surfaces thereof extend generally in parallel with the water tubes 5, and the upper and the lower gaps 79a and 79b have constant widths s2 and s3. Therefore, the amount of heat recovery from the combustion gas passing through the gaps 79a and 79b can be increased.
摘要翻译：用于从燃烧气体回收潜热的二次热交换器B包括水管5，每个水管5倾斜使得第一端50a位于比第二端50b低的位置。因此，在从每个水管5排出水时，可以使水顺利地流入连接到第一端50a的进水和热水流出集管6A。二次热交换器B包括壳体7，壳体7包括上壁70a和底壁70b，该上壁70a和底壁70b倾斜，使得其内表面大致与水管5平行地延伸，并且上下间隙79a和79b具有恒定宽度s2和s3。因此，可以提高通过间隙79a，79b的燃烧气体的热量回收量。

5. 发明申请

US20070289559A1 Heat exchanger, water heater and water tube 审中-公开
标题翻译：热交换器，热水器和水管
公开(公告)号：US20070289559A1
公开(公告)日：2007-12-20
申请号：US11806319
申请日：2007-05-31
申请人： Keiichi Amada
发明人： Keiichi Amada
IPC分类号： F24H9/02 , F28D21/00 , F28F1/10
CPC分类号： F24H1/43 , F24H1/40 , F24H8/00 , Y02B30/102
摘要： A water tube WT of a heat exchanger B includes a helical tube body 5 which includes a plurality of loops 50 arranged in the axial direction. At least one of the loops 50 includes an inclined tube portion which is inclined with respect to the axial direction and a non-inclined tube portion extending perpendicularly to the axial direction. The inclined tube portion is provided at each of opposite end regions s2a and s2b in a width direction crossing the axial direction, whereas the non-inclined tube portion is provided at an intermediate region S1 in the width direction. With this structure, the pitch p2 of the loops 50 is reduced. Therefore, by increasing the number of loops 50, high heat exchange efficiency is achieved without considerably increasing the size of the helical tube body 5.
摘要翻译：热交换器B的水管WT包括螺旋管体5，其包括沿轴向布置的多个环50。回路50中的至少一个包括相对于轴向倾斜的倾斜管部分和垂直于轴向方向延伸的非倾斜管部分。倾斜管部设置在与轴向交叉的宽度方向上的相对端部区域s2a，s2b的各侧，而非倾斜管部设置在宽度方向的中间区域S1。利用这种结构，环50的间距p 2减小。因此，通过增加回路50的数量，实现高的热交换效率，而不会显着增加螺旋管体5的尺寸。

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