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    • 3. 发明申请
    • TUBE ARRANGEMENT FITTING FOR HEAT TRANSFER TUBES
    • 用于传热管的管道安装配件
    • US20110239960A1
    • 2011-10-06
    • US13139630
    • 2009-12-24
    • Nobuyoshi KomaiTakeshi MiyazawaKiyotaka AokiSachio IwamotoMasahiro Kobayashi
    • Nobuyoshi KomaiTakeshi MiyazawaKiyotaka AokiSachio IwamotoMasahiro Kobayashi
    • F22B37/24F16L3/22
    • F22B37/205
    • Deflection (bend) in the length direction due to a difference in the heat expansion between two plate-like members, between which rows of heat transfer tubes are sandwiched, is reduced, and deflection (bend) of rows of heat transfer tubes is prevented. Two long plate-like members, in which a plurality of cutouts along the longitudinal direction are provided in one side the widthwise direction, are provided, and each of the cutouts includes two rectilinear sections that extend in a direction perpendicular to the longitudinal direction axis of the plate-like members, and a semicircular section that links one end of the rectilinear sections together. The distance between the two rectilinear sections along the lengthwise direction axis of the plate-like members and the diameter of the semicircular section is set so as to be greater than the diameter of the heat transfer tubes that are contained within the cutouts. Tongue sections are provided both between adjacent cutouts and between the cutouts positioned at both end portions of the plate-like members in the length direction and both side surfaces of the plate-like members in the lengthwise direction.
    • 由于夹在传送管排之间的两个板状构件之间的热膨胀差异,在长度方向上的偏转(弯曲)减小,并且防止了传送管排的偏转(弯曲)。 设置有沿长度方向的一侧设置有沿着长度方向的多个切口的两个长的板状构件,并且每个切口包括两个直线部分,该直线部分沿垂直于纵向方向轴线的方向延伸 板状构件和将直线段的一端连接在一起的半圆形部分。 沿着板状构件的长度方向轴线的两个直线部分之间的距离和半圆形部分的直径被设定为大于包含在切口内的传热管的直径。 在相邻的切口之间以及位于板状构件的长度方向的两个端部的切口和板状构件的长度方向的两个侧面之间设置舌部。
    • 4. 发明申请
    • WELDING STRUCTURE OF TUBE STUBS AND TUBE HEADER
    • 管和管头的焊接结构
    • US20100307429A1
    • 2010-12-09
    • US12811450
    • 2009-09-30
    • Nobuyoshi KomaiTakeshi MiyazawaFumio NishiTakumi TokiyoshiNobuhiko SaitoToshiyuki ImazatoMasahiko Hokano
    • Nobuyoshi KomaiTakeshi MiyazawaFumio NishiTakumi TokiyoshiNobuhiko SaitoToshiyuki ImazatoMasahiko Hokano
    • F22B37/10
    • F28F9/182B23K2101/14F22B37/104F22B37/22F28F9/18F28F21/082F28F2265/26
    • In order to provide a welding structure of a tube header and tube stubs which successfully improves the durability thereof against creep and fatigue damage of the tube stubs without interposing a component of a different material between the tube header and the tube stubs, i.e. requiring additional components, a welding structure of the present invention comprises: a tube header (2) being made of ferritic heat resisting steel; a plurality of tube stubs (4) which are welded onto an outer surface of the tube header, each of the tube stubs having a bended section, in which the plurality of tube stubs (4) are made of austenite stainless steel, and welded to the tube header (2) by using nickel base alloy as a welding material. Moreover annular chases (10) are respectively formed on the outer surface of the tube header (2) to surround welding portions of the tube header (2); joining portions (14) are formed on an inner side of the annular chases (10); butt grooves are formed by joining surfaces of the tube stubs (4) and the joining portions (14) in a continuous manner and welded by using the nickel base alloy as a welding material, the tube stubs having a diameter substantially same as those of the joining portions.
    • 为了提供管集管和管桩的焊接结构,其成功地提高了其对管桩的蠕变和疲劳损伤的耐久性,而不在管集管和管桩之间插入不同材料的部件,即需要附加部件 本发明的焊接结构包括:由铁素体耐热钢制成的集管(2); 多个管柱(4)焊接在管集管的外表面上,每个管桩具有弯曲部分,多个管柱(4)由奥氏体不锈钢制成,并焊接到 通过使用镍基合金作为焊接材料的管头(2)。 此外,环管(10)分别形成在管集管(2)的外表面上,以围绕管集管(2)的焊接部分; 连接部分(14)形成在所述环形行程(10)的内侧; 通过以连续的方式连接管短管(4)和接合部(14)的表面并通过使用镍基合金作为焊接材料进行焊接来形成对接槽,该管短管的直径基本上与 接合部分。
    • 7. 发明授权
    • Cryogenic refrigerator
    • 低温冰箱
    • US5113662A
    • 1992-05-19
    • US664817
    • 1991-03-05
    • Nobuo FujiiHiroyuki KiyotaYoshihiro KatagishiTakeshi Miyazawa
    • Nobuo FujiiHiroyuki KiyotaYoshihiro KatagishiTakeshi Miyazawa
    • F04B35/04F25B9/14
    • F04B35/045F25B9/14F25B2309/001F25B2309/003F25B2500/13
    • A refrigerator comprising a first cylinder and a second cylinder which are coaxially arranged, a first movable coil and a second movable coil which are oppositely arranged in a magnetic flux produced by a magnet, and which can be reciprocated by applying an a.c. current thereto; a first piston which is coupled to the first movable coil, and which can reciprocate in the first cylinder, a second piston which is coupled to the second movable coil, and which can reciprocate in the second cylinder; a compression space which is defined by the first cylinder, the second cylinder, the first piston and the second piston, a cold cylinder, a displacer which divides the inside of the cold cylinder into a cold space and a hot space, and which can slidably reciprocate in the cold cylinder, a regenerator which is arranged in the displacer; a partition wall which is arranged between the first cylinder and the second cylinder to divide the compression space into a first compression space and a second compression space, and communicating means for communicating between the first compression space and the second compression space.
    • 一种冰箱,包括同轴布置的第一气缸和第二气缸,第一可动线圈和第二可动线圈,其相对地布置在由磁体产生的磁通中,并且可以通过施加一个交流电而进行往复运动。 当前; 第一活塞,其联接到所述第一可动线圈并且能够在所述第一气缸中往复运动;第二活塞,其联接到所述第二可动线圈,并且能够在所述第二气缸中往复运动; 由第一气缸,第二气缸,第一活塞和第二活塞限定的压缩空间,冷气缸,将冷气缸内部分成冷空气和热空间的置换器,其可滑动地 在冷缸中往复运动,设置在置换器中的再生器; 分隔壁,布置在第一气缸和第二气缸之间,以将压缩空间分成第一压缩空间和第二压缩空间;以及连通装置,用于在第一压缩空间和第二压缩空间之间连通。