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    • 1. 发明申请
    • PNEUMATIC TIRE
    • 气动轮胎
    • US20110240198A1
    • 2011-10-06
    • US13139540
    • 2009-12-15
    • Yasutaka SudaHiroshi NakataYusuko YoshikawaTakashi OnoMakoto Tsuruta
    • Yasutaka SudaHiroshi NakataYusuko YoshikawaTakashi OnoMakoto Tsuruta
    • B60C9/18
    • B60C9/28B60C9/2006Y10T152/10765
    • An object of the present invention is to provide a pneumatic tire capable of reducing rolling resistance, while maintaining good durability of a belt. Specifically, the present invention provides a pneumatic tire 1 having: at least one circumferential belt layer 20 constituted of a rubber-coated layer of winding cords 20a extending in the circumferential direction; an intersecting belt layer 30 constituted of an inner belt layer 31 and at least one outer belt layer 32 disposed on the inner belt layer, the inner belt layer and the outer belt layer being each formed by a rubber-coated layer of cords (not shown) extending at a predetermined inclination angle with respect to the tire circumferential direction, the inner belt layer and the outer belt layer(s) being disposed so as to intersect each other; and a tread rubber 40, the circumferential belt layer 20, the intersecting belt layer 30 and the tread rubber 40 being provided in this order on the outer side in the tire radial direction of a crown portion of a carcass 10 extending in a toroidal shape, wherein at least one of the inner belt layer 31 and the outer belt layer 32 constituting the intersecting belt layer 30 (the inner belt layer 31 in FIG. 1) is a broad-width belt layer of which width W1 is larger than the width W3 of the circumferential belt 20; and a low-heat generating rubber portion 50 of which hysteresis loss is less than 0.2 is provided between an end portion of the circumferential belt 20 and the carcass 10.
    • 本发明的目的是提供一种能够在保持良好的带的耐久性的同时降低滚动阻力的充气轮胎。 具体而言,本发明提供一种充气轮胎1,其具有:沿周向延伸的卷绕帘线20a的橡胶涂层构成的至少一个周向带束层20, 由内带层31和设置在内带层上的至少一个外带层32构成的相交带层30,内带层和外带层均由橡胶涂层层(未示出)形成 ),相对于轮胎周向以预定的倾斜角度延伸,所述内侧带束层和所述外侧带束层被设置为彼此相交; 并且胎圈橡胶40,周向带束层20,交叉带束层30和胎面橡胶40按照环状形状的胎体10的胎冠部的轮胎径向外侧依次设置, 构成交叉带束层30(图1的内侧带束层31)的内侧带束层31和外部带束层32中的至少一方宽度宽度宽度宽度宽度W1 的圆周带20; 并且在周向带20的端部与胎体10之间设置有滞后损耗小于0.2的低发热橡胶部50。
    • 3. 发明授权
    • Pneumatic tire
    • 气动轮胎
    • US08800624B2
    • 2014-08-12
    • US13497449
    • 2010-09-24
    • Hiroshi NakataHideaki Minowa
    • Hiroshi NakataHideaki Minowa
    • B60C9/18B60C9/22
    • B60C9/18B60C9/28B60C2009/1842B60C2009/2064Y10T152/10765Y10T152/10801Y10T152/1081
    • A belt width of an intersecting belt 15a having the maximum belt width is set to 80% or more of the maximum width of a carcass line; a difference in belt widths between the intersecting belt 15a and an intersecting belt 15b is set in the range of 10 mm to 50 mm on one side of the belt in the width direction; the intersecting belt 15a is not narrower than the circumferential belt 14, and the circumferential belt 14 is not narrower than the intersecting belt 15b; and a pneumatic tire according to the present invention has an interposed rubber 16 having a thickness increasing toward the widthwise outer side of the tire to be 3 mm or more, and a side-lower rubber 17 having an elastic modulus less than the elastic modulus of a coating rubber coating the circumferential belt 14.
    • 具有最大带宽度的交叉带15a的带宽设定为胎体线的最大宽度的80%以上; 相邻带15a和交叉带15b之间的带宽差在带宽度方向的一侧设定在10mm〜50mm的范围内; 相交带15a不比周向带14窄,周向带14不比交叉带15b窄; 根据本发明的充气轮胎具有向轮胎的宽度方向外侧增加的厚度为3mm以上的插入橡胶16,弹性模量小于轮胎的弹性模量的侧下橡胶17 涂覆橡胶涂覆周向带14。
    • 4. 发明授权
    • Heavy duty pneumatic radial tires with specified belt cushion rubbers
    • 具有指定皮带垫橡胶的重型充气子午线轮胎
    • US6145560A
    • 2000-11-14
    • US266840
    • 1999-03-12
    • Seiji YamadaHiroshi Nakata
    • Seiji YamadaHiroshi Nakata
    • B60C9/18B60C9/20
    • B60C9/20B60C9/18
    • A heavy duty pneumatic radial tire comprises a radial carcass, a main cross belt and a tread portion, in which the main cross belt is formed by laminating at least three rubberized cord layers so that the cords in each layer are parallel to each other but the cords between the adjoining layers are crossed with each other and extend in opposite directions with respect to an equatorial line of the tire. In such a tire, a pair of cushion rubbers are arranged between the adjoining rubberized cord layers constituting the main cross belt at their both end portions by setting a position relation between mutual cushion rubbers at both belt ends to an optimum value to thereby prevent or control the occurrence of the belt end separation failure.
    • 重型充气子午线轮胎包括径向胎体,主交叉皮带和胎面部分,其中主交叉皮带通过层压至少三个橡胶帘线层而形成,使得每层中的帘线彼此平行,但是 相邻层之间的帘线彼此交叉并相对于轮胎的赤道线沿相反方向延伸。 在这样的轮胎中,通过将两个带端部的相互缓冲橡胶之间的位置关系设定为最佳值,在其两端部构成主交叉带的邻接的橡胶帘线层之间配置一对缓冲橡胶,由此防止或控制 发生皮带末端分离失败。
    • 6. 发明申请
    • PNEUMATIC TIRE
    • 气动轮胎
    • US20120216935A1
    • 2012-08-30
    • US13497449
    • 2010-09-24
    • Hiroshi NakataHideaki Minowa
    • Hiroshi NakataHideaki Minowa
    • B60C9/18
    • B60C9/18B60C9/28B60C2009/1842B60C2009/2064Y10T152/10765Y10T152/10801Y10T152/1081
    • A belt width of an intersecting belt 15a having the maximum belt width is set to 80% or more of the maximum width of a carcass line; a difference in belt widths between the intersecting belt 15a and an intersecting belt 15b is set in the range of 10 mm to 50 mm on one side of the belt in the width direction; the intersecting belt 15a is not narrower than the circumferential belt 14, and the circumferential belt 14 is not narrower than the intersecting belt 15b; and a pneumatic tire according to the present invention has an interposed rubber 16 having a thickness increasing toward the widthwise outer side of the tire to be 3 mm or more, and a side-lower rubber 17 having an elastic modulus less than the elastic modulus of a coating rubber coating the circumferential belt 14.
    • 具有最大带宽度的交叉带15a的带宽设定为胎体线的最大宽度的80%以上; 相邻带15a和交叉带15b之间的带宽差在带宽度方向的一侧设定在10mm〜50mm的范围内; 相交带15a不比周向带14窄,周向带14不比交叉带15b窄; 根据本发明的充气轮胎具有向轮胎的宽度方向外侧增加的厚度为3mm以上的插入橡胶16,弹性模量小于轮胎的弹性模量的侧下橡胶17 涂覆橡胶涂覆周向带14。
    • 7. 发明申请
    • Automatic fuel enrichment for an engine
    • 发动机自动燃油浓缩
    • US20060102126A1
    • 2006-05-18
    • US11274086
    • 2005-11-15
    • Hiroshi NakataMakoto Waku
    • Hiroshi NakataMakoto Waku
    • F02M1/12
    • F02M1/12
    • A method and system for preventing excessive fuel supply during engine startup, including supplying supplementary fuel during cranking of a cold engine and preventing supply of the supplementary fuel if the engine fails to start running. A solenoid valve in a supplementary fuel supply passage permits the supply of supplementary fuel. A switching device controls the solenoid valve and is grounded by a thermistor that is placed adjacent to a heater element. During cranking, electric current is supplied to the heater element, which progressively increases in temperature to cause the electric resistance of the adjacent thermistor to decrease over a predetermined time, thereby causing the transistor to turn off and deactivate the solenoid valve. Thus, if the engine fails to start within the predetermined time, the supplementary fuel supply is cut off by the solenoid valve, thereby reducing the possibility of excessive fuel enrichment and engine flooding.
    • 一种用于在发动机启动期间防止燃料供应过量的方法和系统,包括在发动机起动期间提供辅助燃料,并且如果发动机不能开始运行,则防止补充燃料的供应。 辅助燃料供应通道中的电磁阀允许补充燃料的供应。 开关装置控制电磁阀,并通过与加热器元件相邻放置的热敏电阻接地。 在起动期间,向加热元件供给电流,温度逐渐增加,相邻热敏电阻的电阻在预定时间内下降,从而使晶体管关闭并使电磁阀停用。 因此,如果发动机在预定时间内未能起动,则辅助燃料供应被电磁阀切断,从而减少过度燃料浓缩和发动机淹没的可能性。
    • 8. 发明授权
    • Digital radio receiver
    • 数字无线电接收机
    • US6035004A
    • 2000-03-07
    • US562285
    • 1995-11-22
    • Hiroshi Nakata
    • Hiroshi Nakata
    • H04L27/22H03D3/00H04B14/00H04L25/06H03D1/00H04L27/06
    • H04L25/062H03D3/008
    • An inexpensive, compact digital radio receiver corrects IQ imbalance, non-orthogonal I and Q phases, and DC offset by a DSP. The digital radio receiver is equipped with an antenna, an RF/IF converter for converting a radio frequency into an intermediate frequency, an IQ separator for separating I and Q, a filter for eliminating a noise such as a radio frequency, a multiplying sampler for sampling the output of the filter, and a digital signal processing unit mainly comprised of the DSP which implements an algorithm for estimating and correcting an IQ distortion and also performs quadrature phase demodulation. The IQ distortion can be removed inexpensively by making use of a part of a standard radio operation, hardly requiring the use of hardware for adjustment.
    • 廉价,紧凑的数字无线电接收机通过DSP校正IQ不平衡,非正交I和Q相以及DC偏移。 数字无线电接收机配备有天线,用于将射频转换成中频的RF / IF转换器,用于分离I和Q的IQ分离器,用于消除诸如射频的噪声的滤波器,用于 对滤波器的输出进行采样,以及主要由DSP实现用于估计和校正IQ失真的算法并且还执行正交相位解调的DSP的数字信号处理单元。 通过利用标准无线电操作的一部分,可以廉价地消除IQ失真,几乎不需要使用硬件进行调整。