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    • 1. 发明授权
    • Fuel injection control system for internal combustion engines
    • 内燃机燃油喷射控制系统
    • US5601064A
    • 1997-02-11
    • US548486
    • 1995-10-26
    • Sachito FujimotoYutaka TaniguchiRyuji SatoKeiji TsujiiToru Kitamura
    • Sachito FujimotoYutaka TaniguchiRyuji SatoKeiji TsujiiToru Kitamura
    • F02D45/00F02D41/04F02D41/06
    • F02D41/047F02D41/06
    • A fuel injection control system for an internal combustion engine includes an ECU which carries out adherent fuel-dependent correction by calculating an amount of fuel to be injected into the intake passage such that a sum of a direct supply amount of fuel directly drawn into the combustion chamber of the engine without adhering to the wall surface of the intake passage out of a whole amount of fuel injected into the intake passage, and a carried-off amount of fuel carried off the wall surface of the intake passage into the combustion chamber out of fuel adhering to the wall surface of the intake passage is equal to a required fuel amount for the engine. The starting condition of the engine is detected by sensors, and operation of the adherent fuel-dependent correction control is limited during the starting condition of the engine. The carried-off fuel amount is set to a predetermined value, based on at least one operating parameter of the engine when the engine has shifted from the starting condition to the basic operating condition after starting.
    • 一种用于内燃机的燃料喷射控制系统包括ECU,其通过计算要喷射到进气通道中的燃料量来执行粘附燃料相关校正,使得直接吸入燃烧的燃料的直接供应量的总和 发动机的腔室,而不会从喷射到进气通道中的全部燃料附着到进气通道的壁表面,以及从进气通道的壁表面排出到燃烧室中的排出量不在 附着在进气通道的壁面上的燃料等于发动机所需的燃料量。 发动机的起动条件由传感器检测,并且在发动机的起动状态期间,附着燃料相关的校正控制的操作受到限制。 当发动机从启动状态转移到起动后的基本运行状态时,基于发动机的至少一个运转参数将起动燃料量设定为规定值。
    • 2. 发明授权
    • Device for detecting abnormality of fuel supply system of internal
combustion engines
    • 用于检测内燃机燃料供应系统异常的装置
    • US5579747A
    • 1996-12-03
    • US550098
    • 1995-10-30
    • Ryuji SatoKojiro TsutsumiHisashi IgarashiSachito Fujimoto
    • Ryuji SatoKojiro TsutsumiHisashi IgarashiSachito Fujimoto
    • F02D41/00F02D41/02F02D41/22F02M25/08
    • F02M25/0809F02D41/0037F02D41/221
    • A device for detecting abnormality of the fuel supply system of an internal combustion engine inhibits supply of evaporative fuel to the intake passage when the air-fuel ratio correction coefficient becomes smaller than a predetermined value, and thereafter determines that the fuel supply system is normal when the air-fuel ratio correction coefficient increases above the predetermined value as a result of the inhibition of the supply of the evaporative fuel. The supply of the evaporative fuel to the intake passage is resumed after the determination that the fuel supply system is normal has been made. Determination of abnormality of the fuel supply system is inhibited after resuming of the supply of the evaporative fuel until the engine enters a predetermined operating condition in which the air-fuel ratio correction coefficient has increased. The determination of abnormality of the fuel supply system is permitted to be resumed, based on the air-fuel ratio correction coefficient when the engine has entered the predetermined operating condition.
    • 一种用于检测内燃机的燃料供应系统的异常的装置,当空燃比校正系数变得小于预定值时,禁止向进气通道供应蒸发燃料,然后确定燃料供应系统正常 由于抑制了蒸发燃料的供给,空燃比校正系数增加到高于预定值。 在确定燃料供应系统正常之后,继续向进气通道供应蒸发燃料。 在继续供应蒸发燃料直到发动机进入空燃比校正系数增加的预定操作状态之后,禁止确定燃料供应系统的异常。 基于当发动机已经进入预定操作状态时的空燃比校正系数,允许确定燃料供给系统的异常。
    • 3. 发明授权
    • Air-fuel ratio sensor deterioration-detecting system for internal
combustion engines
    • 用于内燃机的空燃比传感器劣化检测系统
    • US5577488A
    • 1996-11-26
    • US549119
    • 1995-10-27
    • Ryuji SatoKojiro TsutsumiToshitaka HachiroHiroshi KawaguchiSachito Fujimoto
    • Ryuji SatoKojiro TsutsumiToshitaka HachiroHiroshi KawaguchiSachito Fujimoto
    • F02D45/00F02D41/14F02D41/22
    • F02D41/1441F02D41/1495
    • An air-fuel ratio sensor deterioration-detecting system for an internal combustion engine includes a catalytic converter arranged in the exhaust system, first and second air-fuel ratio sensors arranged in the exhaust system at respective locations upstream and downstream of the catalytic converter, and an ECU which calculates a value of a first control parameter, based on an output from the second air-fuel ratio sensor, and executes air-fuel ratio feedback control, based on the calculated value of the first control parameter. A value of a second control parameter to be used for calculating the value of the first control parameter is calculated based on the output from the second air-fuel ratio sensor. Whether the second air-fuel ratio sensor is deteriorated is determined based on the output from the second air-fuel ratio sensor. A value of at least one of the first and second control parameters is increased when a variation in the output from the second air-fuel ratio sensor is small during execution of the air-fuel ratio feedback control, and it is determined that the second air-fuel ratio sensor is deteriorated when the variation in the output from the second air-fuel ratio sensor is continuously small over a predetermined time period after the value of the at least one of the first and second control parameters has been increased.
    • 用于内燃机的空燃比传感器劣化检测系统包括布置在排气系统中的催化转化器,在催化转化器的上游和下游的各个位置处布置在排气系统中的第一和第二空燃比传感器,以及 ECU,其基于来自第二空燃比传感器的输出计算第一控制参数的值,并且基于所计算的第一控制参数的值来执行空燃比反馈控制。 基于来自第二空燃比传感器的输出计算用于计算第一控制参数的值的第二控制参数的值。 基于第二空燃比传感器的输出来确定第二空燃比传感器是否劣化。 当在执行空燃比反馈控制期间来自第二空燃比传感器的输出的变化小时,增加第一和第二控制参数中的至少一个的值,并且确定第二空气 当所述第一和第二控制参数中的至少一个的值已经增加时,在所述第二空燃比传感器的输出的变化在预定时间段内连续变小时,所述燃料比传感器劣化。
    • 4. 发明授权
    • Transmission control method and device, and transmission apparatus
    • 传动控制方法及装置及传动装置
    • US06967925B2
    • 2005-11-22
    • US09798931
    • 2001-03-06
    • Ryuji Sato
    • Ryuji Sato
    • H04L12/851H04L12/26
    • H04L49/3081H04L12/5601
    • A transmission apparatus inserts unit signals into a stream transmitted from a first transmission path having a first bandwidth to a second transmission path having a second bandwidth. The insertion is controlled by an assignment signal that is generated by the following steps, which are repeated cyclically at intervals equivalent to the unit-signal length: a value representing the second bandwidth is added to a selected value; the sum is compared with a threshold; the assignment signal is set or reset according to the comparison result; the threshold value is subtracted from the sum to obtain a difference; and either the sum or the difference is selected, according to the assignment signal, as the selected value. This scheme enables bandwidth to be distributed evenly, thus reducing processing and memory requirements.
    • 发送装置将单位信号插入从具有第一带宽的第一传输路径发送到具有第二带宽的第二传输路径的流中。 插入由通过以下步骤生成的分配信号控制,其以与单位信号长度相等的间隔周期性地重复:表示第二带宽的值被添加到所选择的值; 将总和与阈值进行比较; 根据比较结果设定或重置分配信号; 从总和中减去阈值以获得差值; 并且根据分配信号选择和值或差值作为所选择的值。 该方案使带宽能够均匀分布,从而减少处理和内存需求。
    • 6. 发明授权
    • Program creation method and program execution method
    • 程序创建方法和程序执行方法
    • US06934850B2
    • 2005-08-23
    • US09846833
    • 2001-05-01
    • Ryuji Sato
    • Ryuji Sato
    • G06F21/22G06F1/00G06F9/445G06F21/00G06F11/30
    • G06F9/445G06F21/14G06F2211/007
    • First program 10 comprises encrypted code modules 11, 13, and 15, decryption code modules 12a, 14a, and 16a of encrypted code modules 12, 14, and 16, and a first decryption processing code module 30. Also, second program 20 comprises encrypted code modules 12, 14, and 16, decryption code modules 11a, 13a, and 15a of the encrypted code modules 11, 13, and 15, and a second decryption processing code module 31. The encrypted code modules 11-16, which are created by encrypting processing code modules, are not converted back to the processing modules that perform original processing unless they are decrypted by the first and second decryption processing code modules 30 and 31, respectively.
    • 第一程序10包括加密代码模块11,13和15,加密代码模块12,14和16的解密代码模块12a,14a和16a以及第一解密处理代码模块30。 此外,第二程序20包括加密代码模块12,14和16,加密代码模块11,13和15的解密代码模块11a,13a和15a以及第二解密处理代码模块31。 通过加密处理代码模块创建的加密代码模块11-16不被转换回执行原始处理的处理模块,除非它们分别被第一和第二解密处理代码模块30和31解密。