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    • 23. 发明授权
    • Welding process using laser beam
    • 焊接工艺采用激光束
    • US4546230A
    • 1985-10-08
    • US537454
    • 1983-09-08
    • Hiroaki SasakiNoboru NishiyamaAkio Kamada
    • Hiroaki SasakiNoboru NishiyamaAkio Kamada
    • B23K26/00B23K1/005B23K26/14B23K26/18B23K26/20B23K26/24
    • B23K26/147B23K1/0056B23K26/18B23K26/211B23K26/24B23K2203/04B23K2203/05
    • A welding process using a laser beam for joining metals such as steel plates along a see-through groove 10 such as a square groove formed by laser welding between opposed edges of the two metals is disclosed, in which a filler wire 9 is supplied to the see-through groove 10 as shown in FIGS. 3a, 3b and 4 to increase the permissible gap of the see-through groove. A spot 11 of laser beam 1 with a power density of 5.times.10.sup.5 w/cm.sup.2 or above is formed in the see-through groove 10 on the same level as the surface of the metals 3. The filler wire 9 is inserted into a point coincident with the spot 11 of the laser beam 1, or the spot 11 of the laser beam 1 is formed on top of the filler wire 9 in the see-through groove 10. As the filler wire 9 is melted by the laser beam, a globule or droplet formed is formed from it and proceeds to and deposited on the opposed edge faces 12 defining the groove 10 to heat the edges 12 to effect welding.
    • PCT No.PCT / JP83 / 00004 Sec。 371日期1983年9月8日 102(e)日期1983年9月8日PCT提交1983年1月7日PCT公布。 第WO83 / 02414号公报 日期:1983年7月21日。公开了一种使用激光束将金属(诸如钢板)沿着诸如通过两个金属的相对边缘之间的激光焊接形成的方形沟槽的透视槽10接合的焊接工艺,其中 填充线9被供应到透视槽10,如图1和2所示。 3a,3b和4以增加透明槽的允许间隙。 激光束1的功率密度为5×10 5 W / cm 2以上的点11在与金属3的表面相同的高度的贯通槽10上形成。填充线9插入与 激光束1的点11或激光束1的光斑11形成在透明槽10中的填充焊丝9的顶部上。当焊丝9被激光束熔化时, 形成的液滴由其形成并进行并沉积在限定槽10的相对的边缘面12上,以加热边缘12以实现焊接。
    • 26. 发明申请
    • Single Can-Type Composite Heat Source Machine
    • 单罐型复合热源机
    • US20100229804A1
    • 2010-09-16
    • US12225309
    • 2006-11-29
    • Hideo OkamotoTadayuki HiragaHiroitsu OhtaMineyuki NasuHiroaki Sasaki
    • Hideo OkamotoTadayuki HiragaHiroitsu OhtaMineyuki NasuHiroaki Sasaki
    • F24H1/46F24H9/00F24H8/00
    • F24H1/145F24H1/46F24H1/48F24H1/523
    • In a single can-type composite heat source machine including a single can body (2) including a first combustion section (3-1) having a first burner (4-1) and a hot water supplying first main heat exchanger (5-1) located above the first burner (4-1), and a second combustion section (3-2) having a second burner (4-2) and a second main heat exchanger (5-2) located above the second burner (4-2) and used for a purpose other than hot water supply, the first combustion section (3-1) and the second combustion section (3-2) being partitioned from each other by a partition wall (2a) and juxtaposed in a lateral direction, the machine including a first auxiliary heat exchanger (11-1) and a second auxiliary heat exchanger (11-2) both of a latent heat recovery type connected to upstream sides of the first main heat exchanger and the second main heat exchanger, respectively, an exhaust system can be miniaturized and simplified in spite of provision of the auxiliary heat exchangers. A space in an exhaust hood (9) common to both the combustion sections (3-1, 3-2) arranged on the can body (2) is partitioned by a partition wall (9c) into a first exhaust space (10-1) and a second exhaust space (10-2) through which exhaust gases from the first and second burners (4-1, 4-2) flow, respectively. The first and second auxiliary heat exchangers (11-1, 11-2), each composed of laterally meandering heat absorbing tubes (11a), are arranged in the respective exhaust spaces.
    • 在包括具有第一燃烧器(4-1)的第一燃烧部(3-1)和具有第一主热交换器(5-1)的热水供给的单个罐体的单罐型复合热源机中, )和位于第二燃烧器(4-1)上方的具有第二燃烧器(4-2)和第二主热交换器(5-2)的第二燃烧部分(3-2) 2)并且用于除热水供应之外的目的,第一燃烧部分(3-1)和第二燃烧部分(3-2)通过分隔壁(2a)彼此分隔并且沿横向方向并列 该机器包括分别连接到第一主热交换器和第二主热交换器的上游侧的潜热回收型的第一辅助热交换器(11-1)和第二辅助热交换器(11-2) 尽管提供了辅助热交换器,但排气系统可以小型化和简化。 布置在罐体(2)上的两个燃烧部分(3-1,3-2)共同的排气罩(9)中的空间被分隔壁(9c)分隔成第一排气空间(10-1 )和来自第一和第二燃烧器(4-1,4-2)的废气分别流过的第二排气空间(10-2)。 由各横向曲折的吸热管(11a)组成的第一和第二辅助热交换器(11-1,11-2)配置在各排气空间内。