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    • 24. 发明授权
    • Detector device for mixing ratio for gasoline and alcohol or the like
    • 用于汽油和酒精等的混合比的检测装置
    • US4912319A
    • 1990-03-27
    • US160632
    • 1988-02-26
    • Shigeru MiyataYoshihiro MatsubaraKiyotaka Ohno
    • Shigeru MiyataYoshihiro MatsubaraKiyotaka Ohno
    • G01N21/41G01J1/16G01J1/44G01N21/43G01N21/85
    • G01N21/43G01J2001/1636G01J2001/444G01N21/85G01N2201/0621Y10S250/903
    • A detector device for mixing ratio for gasoline and alcohol include an optically permeable column, one end of which is coated with a light-reflective layer. The circumferential surface of the column is at least partly immersed in mixing liquid of gasoline and alcohol.The light beams enter the column to be incident on said circumferential surface of the column and reflect from the circumferential surface to be incident on said light reflective-layer to reflect therefrom. The reflected light beams impinge on a photo diode which outputs in accordance with the intensity of the light beams impinged.The diametrical and lengthwise dimension of the column being determined such as to provide incidence angles of the reflected light beams changing from a minimum angle corresponding to the critical angle when the mixing liquid ratio is at the lower limit of the predetermined range to a maximum angle corresponding to the critical angle when the mixing liquid ratio is at the upper limit of the predetermined range.
    • 用于汽油和醇的混合比的检测器装置包括光学透析柱,其一端涂覆有光反射层。 柱的圆周表面至少部分浸没在汽油和酒精的混合液体中。 光束进入柱入射到柱的所述圆周表面上并从圆周表面反射入射到所述光反射层上以从其反射。 反射光束照射到根据照射的光束的强度输出的光电二极管。 确定柱的直径和纵向尺寸,以便当混合液比在预定范围的下限至对应的最大角度时,提供从与临界角对应的最小角度改变的反射光束的入射角 当混合液体比例在预定范围的上限时达到临界角。
    • 25. 发明授权
    • Sensor for mixing ratio of gasoline and alcohol
    • 汽油和酒精混合比传感器
    • US4770129A
    • 1988-09-13
    • US45072
    • 1987-05-01
    • Shigeru MiyataYoshihiro Matsubara
    • Shigeru MiyataYoshihiro Matsubara
    • G01N21/43F02B1/02F02B77/08F02D41/14G01J1/16G01J1/44G01N21/85G01N33/28F02B75/00
    • F02B1/02F02B77/08F02D41/1451G01N21/85G01N33/2852F02F2007/0092G01J2001/1647G01J2001/444G01N2201/0621
    • A sensor for mixing ratio of gasoline and alcohol comprising: a transparent column, both ends of which are supported by grips; the surface of the column is positioned in direct contact with a mixing liquid of gasoline and alcohol; a light emitting diode disposed so that light beams therefrom are incident on one end of said transparent column and the mixing liquid, said beams incident on said boundary at less than a critical angle being totally refracted, while said beams incident on said boundary at more than the critical angle being totally reflected to pass within said column so as to go out from the other end thereof, said critical angle depending upon a mixing degree of said liquid; a photo diode placed to receive the light beams reflected from the boundary so as to generate an output in accordance with the quantity of the light beams received; and the column being substantially determined its lengthwise and diametrical dimension such that the light beams incident upon the boundary at a critical angle, are allowed to totally reflect only once to enter the photo diode with the mixing ratio of alcohol and gasoline ranging from 100:0 to 0:100.
    • 一种用于汽油和醇的混合比的传感器,包括:透明柱,其两端由夹具支撑; 柱的表面与汽油和酒精的混合液体直接接触; 发光二极管被设置成使得其光束入射在所述透明柱的一端和混合液体上,所述入射在所述边界上的所述光束以小于临界角度被全部折射,同时所述光束在所述边界上入射超过 所述临界角被全反射以在所述柱内通过以从其另一端出去,所述临界角取决于所述液体的混合程度; 放置以接收从边界反射的光束的光电二极管,以便根据所接收的光束的量产生输出; 并且柱基本上确定其长度和直径尺寸,使得以临界角入射到边界的光束仅允许完全反射一次以使酒精和汽油的混合比为100:0 至0:100。
    • 26. 发明申请
    • Spark plug
    • 火花塞
    • US20060043855A1
    • 2006-03-02
    • US10519075
    • 2004-03-22
    • Kenji NunomeOsamu YoshimotoWataru MatsutaniYoshihiro Matsubara
    • Kenji NunomeOsamu YoshimotoWataru MatsutaniYoshihiro Matsubara
    • H01T13/02
    • H01T13/39B22F2998/10C22C1/0466B22F3/02B22F3/15
    • An object of the invention is to provide a higher-durability spark plug provided with a center electrode and a side electrode to form a spark discharge gap between the center electrode and the side electrode, at least one of the center electrode and the side electrode including a precious metal member facing the spark discharge gap, in which a sweating phenomenon of the precious metal member can be suppressed while spark abrasion, oxidation abrasion and abnormal abrasion of the precious metal member can be suppressed. In the invention, the spark plug (100) comprises a center electrode (3), and a side electrode (4) located on one side of the center electrode (3) so that a spark discharge gap (G) is formed between the center electrode (3) and the side electrode (4). The center electrode (3) and the side electrode (4) include first and second precious metal tips (33) and (43) respectively. The first and second precious metal tips (33) and (43) face the spark discharge gap (G) so that the spark discharge gap (G) is formed. The precious metal tips (33) and so on contain Ir as a main component, 0.3 mass % to 43 mass % of Rh, 5.2 mass % to 41 mass % of Ru, and 0.4 mass % to 19 mass % of Ni.
    • 本发明的目的是提供一种具有中心电极和侧电极的高耐久性火花塞,以在中心电极和侧电极之间形成火花放电间隙,至少一个中心电极和侧电极包括 面对火花放电间隙的贵金属构件可以抑制贵金属构件的出汗现象,同时可以抑制贵金属构件的火花磨损,氧化磨损和异常磨损。 在本发明中,火花塞(100)包括中心电极(3)和位于中心电极(3)一侧的侧电极(4),使得在中心电极(3)之间形成火花放电间隙(G) 电极(3)和侧电极(4)。 中心电极(3)和侧电极(4)分别包括第一和第二贵金属尖端(33)和(43)。 第一和第二贵金属端头(33)和(43)面对火花放电间隙(G),从而形成火花放电间隙(G)。 贵金属制头(33)等含有Ir为主成分,Rh为0.3质量%〜43质量%,Ru为5.2质量%〜41质量%,Ni为0.4质量%〜19质量%。
    • 29. 发明授权
    • Spark plug
    • 火花塞
    • US06335587B1
    • 2002-01-01
    • US09401534
    • 1999-09-22
    • Yoshihiro Matsubara
    • Yoshihiro Matsubara
    • H01T1320
    • H01T13/20
    • The shortest distance (F, F′) from an end face (11A) of each ground electrode (11, 11′) to a porcelain insulator (1) is made smaller than the shortest distance (G, G′) from the end face (11A) of each ground electrode (11, 11′) to the peripheral side surface of a central electrode (2, 2′). An anti-spark consumption member (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32) is secured to a portion of the central electrode (2, 2′) in such a way that it is spaced at least a specified distance (H) of from the end face of the porcelain insulator (1).
    • 从每个接地电极(11,11')的端面(11A)到瓷绝缘体(1)的最短距离(F,F')小于距端面的最短距离(G,G') (11,11')的中心电极(2,2')的周边侧面(11A)。 防火花消耗部件(21,22,23,24,25,26,27,28,29,30,31,32)以这种方式固定到中心电极(2,2')的一部分 其距离瓷绝缘体(1)的端面至少具有规定距离(H)。
    • 30. 发明授权
    • Semi-creeping discharge type spark plug
    • 半爬电式火花塞
    • US06208066B1
    • 2001-03-27
    • US09035035
    • 1998-03-05
    • Akio KokubuKazumasa YoshidaYoshihiro MatsubaraMakoto Yamaguchi
    • Akio KokubuKazumasa YoshidaYoshihiro MatsubaraMakoto Yamaguchi
    • H01T1352
    • H01T13/52F02B2275/18
    • In a semi-creeping discharge type spark plug, a cylindrical metal shell and an insulator are provided, the latter of which has an axial bore and placed within the metal shell so that a front end of the insulator extends beyond the metal shell. A center electrode is placed within the axial bore of the insulator so that a front end surface edge of the center electrode retracts by 0.1˜0.6 mm behind from a front end surface of the insulator. A ground electrode, one end of which is connected to a front end of the metal shell, and the other end of which is bent to oppose an outer surface of the insulator so as to form an air-gap therebetween while permitting creeping spark discharges running along said front end surface of said insulator. A foward edge portion of a front end surface of the ground electrode extends by 0.0˜1.0 mm forward from the front end surface of the insulator.
    • 在半爬电式火花塞中,设置有圆柱形金属壳和绝缘体,后者具有轴向孔并且放置在金属壳内,使得绝缘体的前端延伸超出金属壳。 中心电极放置在绝缘体的轴向孔内,使得中心电极的前端表面边缘从绝缘体的前端表面后退0.1〜0.6mm。 接地电极,其一端连接到金属壳的前端,另一端弯曲成与绝缘体的外表面相对,以在其间形成气隙,同时允许蠕变火花放电运行 沿着所述绝缘体的所述前端表面。 接地电极的前端面的前端部从绝缘体的前端面向前方延伸0.0〜1.0mm。