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    • 82. 发明授权
    • Heat exchanger
    • 热交换器
    • US08584742B2
    • 2013-11-19
    • US10574041
    • 2004-12-10
    • Masayoshi UsuiYasuaki HashimotoKoichi HayashiShigeyuki IshidaTetsuo OgataNagahisa AmanoKoji KuritaShu Yotsumoto
    • Masayoshi UsuiYasuaki HashimotoKoichi HayashiShigeyuki IshidaTetsuo OgataNagahisa AmanoKoji KuritaShu Yotsumoto
    • F28D1/00F28D1/04
    • F28F1/32F28D1/0477F28F1/126F28F9/013F28F13/00F28F2215/12F28F2255/20F28F2265/00F28F2275/025
    • A heat exchanger having excellent heat exchanging performance is obtainable by a simple production technique and at a low cost. This is achieved by providing a fin member and by increasing heat conductivity between the fin member and a meandering pipe body. Further, the heat exchanger is made compact for high degrees of layout freedom, enabling the heat exchanger to be installed in a tight space. Engagement grooves (8) are provided in both end surfaces (6, 7), which are opposite to each other, of a fin member (5) in which fins (4) are parallel arranged. Straight pipe sections (2) are parallelly arranged, with gaps (16)in between, in the engagement grooves (8) of the fin member (5). The straight pipe sections (2)a are connected at bent sections (3). A pair of meandering sections (11, 12) is arranged opposite to each other with an insertion gap (17) of the fin member (5) in between. On (11) of the meandering sections and the other meandering section (12) are connected by a connection pipe (13) to form a meandering pipe main body (1). The straight pipe sections (2) of the one meandering section (11) are arranged in the engagement grooves (8) in the one end surface (6) of the fin member (5) inserted and arranged in the insertion gap (17) between the one meandering section (11) and the other meandering section (12) of the meandering pipe body (1), and the straight pipe sections (2) of the other meandering section (12) are arranged and fixed in the engagement grooves (8) in the other end surface (7).
    • 具有优异的热交换性能的热交换器可以通过简单的生产技术和低成本获得。 这通过提供翅片构件并且通过增加翅片构件和弯曲管体之间的导热性来实现。 此外,热交换器被制成紧凑的高度的布局自由度,使得热交换器能够安装在紧密的空间中。 在翅片(4)平行布置的翅片构件(5)的相对的两个端面(6,7)中设置有接合槽(8)。 在翅片构件(5)的接合槽(8)中,直管段(2)平行地布置有间隙(16)。 直管段(2)a在弯曲部分(3)连接。 一对曲折部分(11,12)彼此相对地布置有翅片构件(5)的插入间隙(17)。 蜿蜒段和另一蜿蜒段(12)上的(11)通过连接管(13)连接,形成蜿蜒管主体(1)。 一个曲折部分(11)的直管段(2)布置在插入并布置在插入间隙(17)中的翅片构件(5)的一个端面(6)中的接合槽(8)中 蜿蜒管体(1)的一个曲折部分(11)和另一个曲折部分(12)和另一个曲折部分(12)的直管部分(2)被布置并固定在接合槽 )在另一端面(7)中。
    • 87. 发明授权
    • Piezoelectric actuator and method for manufacturing piezoelectric actuator
    • 压电致动器及其制造方法
    • US07745981B2
    • 2010-06-29
    • US12372114
    • 2009-02-17
    • Shinji OmuraKoichi HayashiShozo Kobayashi
    • Shinji OmuraKoichi HayashiShozo Kobayashi
    • H01L41/083
    • H01L41/273H01L41/0471H01L41/083Y10T29/42Y10T29/435Y10T29/49128Y10T29/4913Y10T29/49155Y10T29/49169
    • In a method for manufacturing a piezoelectric actuator, a ceramic sintered body is prepared and a size of the ceramic sintered body is adjusted in a thickness direction defined below by grinding piezoelectric ceramic layers, included in the ceramic sintered body, located outermost in the thickness direction. In the ceramic sintered body, internal electrodes are each disposed between piezoelectric ceramic layers. The thickness direction is defined as the direction along the thickness of the piezoelectric ceramic layer. Each of the inert sections are disposed on at least one side of the active section, for driving the piezoelectric actuator, in the thickness direction. Dummy internal electrodes are arranged in the inert sections such that each of the dummy internal electrodes are each located between ceramic layers. The thickness of the piezoelectric ceramic layers disposed between the dummy internal electrodes increases with distance from the active section.
    • 在制造压电致动器的方法中,制备陶瓷烧结体,并且通过研磨包含在陶瓷烧结体中的厚度方向最外侧的压电陶瓷层来调节陶瓷烧结体的厚度方向 。 在陶瓷烧结体中,内部电极分别配置在压电陶瓷层之间。 厚度方向被定义为沿着压电陶瓷层的厚度的方向。 每个惰性部分设置在有源部分的至少一侧上,用于在厚度方向上驱动压电致动器。 虚拟内部电极布置在惰性部分中,使得每个虚拟内部电极各自位于陶瓷层之间。 设置在虚拟内部电极之间的压电陶瓷层的厚度随着与有源部分的距离而增加。
    • 88. 发明授权
    • Connection head structure of high pressure fuel injection tube
    • 高压燃油喷射管连接头结构
    • US07735473B2
    • 2010-06-15
    • US12335663
    • 2008-12-16
    • Nobuo KatoKoichi HayashiShoichiro Usui
    • Nobuo KatoKoichi HayashiShoichiro Usui
    • F02M55/02
    • F02M55/02F02M55/005F02M2200/80F16L19/0286
    • A connection head structure of a high pressure fuel injection tube is provided to avoid an interference between an annular flange and an opposing part by sufficiently maintaining an tube axial direction length of the connection head and to obtain a good sealability to prevent leaking during autofrettage processing with a high pressure of not less than 300 MPa. A connection head structure of a high pressure fuel injection tube includes, on a connection end portion of a thick walled fine steel tube, a spherical seat face, an annular flange, and a circular conic face that continuously extends from the seat face, wherein a washer and a fastening nut are assembled, characterized in that when a thick walled fine steel tube has t (wall thickness)/D (outer diameter)
    • 提供高压燃料喷射管的连接头结构,以通过充分保持连接头的管轴向长度来避免环形凸缘和相对部分之间的干涉,并且获得良好的密封性,以防止在自紧摩擦加工期间的泄漏, 高压不小于300MPa。 高压燃料喷射管的连接头结构在厚壁细钢管的连接端部上包括从座面连续延伸的球面座面,环形凸缘和圆锥面,其中, 垫圈和紧固螺母组装,其特征在于,当厚壁细钢管的t(壁厚)/ D(外径)<0.3时,从连接头端到背面的管轴方向距离L1 环形凸缘为0.38D〜0.7D,座面的球体半径R为0.45〜0.65D,环形凸缘的外径D1为1.2D〜1.4D,其中,内周面 连接头包括两级锥形面,其具有沿着管的管轴方向的横截面轮廓,朝向管的孔扩大。