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    • 1. 发明授权
    • Heat exchanger, water heater and water tube
    • 热交换器,热水器和水管
    • US08347826B2
    • 2013-01-08
    • US12269436
    • 2008-11-12
    • Keiichi Amada
    • Keiichi Amada
    • F28F1/36
    • F24H1/43
    • 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.
    • 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
    • HEAT EXCHANGER, WATER HEATER AND WATER TUBE
    • 热交换器,水加热器和水管
    • US20090064945A1
    • 2009-03-12
    • US12269436
    • 2008-11-12
    • Keiichi AMADA
    • Keiichi AMADA
    • F24D17/00F22B37/10
    • F24H1/43
    • 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.
    • 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。
    • 5. 发明申请
    • Heat exchanger, water heater and water tube
    • 热交换器,热水器和水管
    • US20070289559A1
    • 2007-12-20
    • US11806319
    • 2007-05-31
    • Keiichi Amada
    • Keiichi Amada
    • F24H9/02F28D21/00F28F1/10
    • F24H1/43F24H1/40F24H8/00Y02B30/102
    • 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.
    • 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。