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    • 1. 发明授权
    • High-pressure fuel injection tube for diesel engine
    • 柴油机高压燃油喷射管
    • US5299541A
    • 1994-04-05
    • US48770
    • 1993-04-16
    • Isao YamaguchiYasushi Sakamoto
    • Isao YamaguchiYasushi Sakamoto
    • B63H21/38F02B3/06F02M55/02F16L9/18F16L27/12F16L11/12
    • F02M55/02F16L27/12B63B2770/00F02B3/06
    • A high-pressure fuel injection tube for a diesel engine, comprising: a tube body having connecting heads at its two end portions; fastening nuts assembled at the backs of the connecting heads; a pair of separate outer tubes so fitted on the outer circumference of the tube body as to be spaced from each other at a gap between the opposed end faces thereof and to move in the axial direction; seal ring members so fitted on the outer circumferences of the outer tubes in the vicinity of the outer end portions of the outer tubes as to engage with the fastening nuts respectively; and a relatively short joint cylinder fitted on the outer circumferences of the outer tubes across the inner end portions of the outer tubes. Further comprised is a seal ring member which is fitted between at least one fitted end portion of the joint cylinder and the outer circumference of the faced one of the outer tubes.
    • 一种用于柴油发动机的高压燃料喷射管,包括:在其两个端部具有连接头的管体; 紧固螺母组装在连接头的后部; 一对独立的外管,其配合在管主体的外周上,在其相对端面之间的间隙处彼此间隔开并沿轴向移动; 所述密封环构件安装在所述外管的外端部附近的所述外管的外周上,以与所述紧固螺母分别接合; 以及相对短的接合圆柱体,其外套管的外圆周上安装在外管的内端部分上。 还包括密封环构件,该密封环构件装配在接头圆筒的至少一个装配端部和外侧面之一的外周之间。
    • 5. 发明授权
    • Metal honeycomb structure
    • 金属蜂窝结构
    • US06602477B2
    • 2003-08-05
    • US09341884
    • 1999-07-20
    • Yasushi SakamotoHaruo Serizawa
    • Yasushi SakamotoHaruo Serizawa
    • B01D5386
    • F01N3/2817B01J35/04F01N3/281F01N2330/02F01N2330/32F01N2330/321F01N2330/322F01N2330/323Y10T428/1234
    • The invention provides a metal honeycomb core body used as the principal structural element of an exhaust gas cleaning unit excellent in various performances and economy that is provided with a corrugated band member, that is a structural member of a metal honeycomb core body having a special waveform structure. The invention provides a metal honeycomb core body having honeycomb structure fabricated by bringing corrugated band members (1) and planar band members (2) made of thin-walled metal sheet alternately into contact. The corrugated band member (1) has a waveform structure obtained by using a waveform of an imaginary corrugated sheet (1′) having crests and troughs which are in contact with a planar band member (2) and composed of a connected waveform having a desired waveheight (h) and one period length (&lgr;′). A one period length (&lgr;) of a new waveform is formed comprising the area (1a) where the waveform of the imaginary corrugated sheet (1′) is in contact with the planar band member (2) on at least one pair of an adjacent crest and trough of a wave. The area (1b) which is not in contact with the planar band member (2) is connected adjacently to the area (1a) which is in contact with the planar band member (2). The area (1c) of at least one end of which is in contact with the planar band member (2) and is connected adjacently to the noncontact area (1b). An area (1b) which is not in contact with the planar band member (2) is formed so as to have a height of about one half (½·h) of the waveheight (h) of the imaginary corrugated sheet (1′). The new waveform is constituted by connecting the three areas (1a, 1b, and 1c) to form a waveform of one period length (&lgr;) by use of the waveform of the imaginary corrugated sheet (1′).
    • 本发明提供一种金属蜂窝芯体,其作为排气净化单元的主要结构要素,其各种性能和经济性优良,其具有波纹带构件,即具有特殊波形的金属蜂窝芯体的结构构件 结构体。 本发明提供了一种具有蜂窝结构的金属蜂窝芯体,其通过使波纹带部件(1)和由薄壁金属板制成的平面带部件(2)交替地接触而制造。 波纹带构件(1)具有通过使用具有与平面带构件(2)接触的波峰和波谷的假想瓦楞纸(1')的波形获得的波形结构,并且由具有期望的波形 波高(h)和一个时期长度(lambd')。 形成新的波形的一个周期长度(lambd),其包括在至少一对相邻的一对相邻的假想波纹片(1')的波形与平面带部件(2)接触的区域(1a) 波峰和波谷。 与平面带部件(2)不接触的区域(1b)相邻于与平带部件(2)接触的区域(1a)。 其至少一端与平面带构件(2)接触并且与非接触区域(1b)相邻地连接的区域(1c)。 不与平面带构件(2)接触的区域(1b)形成为具有假想波纹片(1')的高度(h)的大约一半(1/2h)的高度, 。 通过使用假想瓦楞纸(1')的波形,连接三个区域(1a,1b和1c)以形成一个周期长度(lambd)的波形来构成新的波形。