INTERNAL COMBUSTION ENGINE SYSTEM, FUEL INJECTION CONTROL METHOD OF INTERNAL COMBUSTION ENGINE, AND VEHICLE
    26.
    发明申请
    INTERNAL COMBUSTION ENGINE SYSTEM, FUEL INJECTION CONTROL METHOD OF INTERNAL COMBUSTION ENGINE, AND VEHICLE 审中-公开
    内燃机系统,内燃机燃油喷射控制方法及车辆

    公开(公告)号:US20110077840A1

    公开(公告)日:2011-03-31

    申请号:US12883375

    申请日:2010-09-16

    IPC分类号: F02M69/30

    摘要: The function determination of the air-fuel ratio sensor, including determination whether there occurs the rich-lean abnormality that is an abnormality where the air-fuel ratio sensor becomes less responsive to a change in the air-fuel ratio of the engine from the rich air-fuel ratio to the lean air-fuel ratio, is performed. When the engine is started up with motoring by the motor while the rich-lean abnormality flag F2 is equal to value ‘1’ (S120), the air-fuel ratio feedback correction for fuel injection into the engine is started at a later timing than the timing when the basic start time Tafb elapses from the start of fuel injection (the timing of starting the air-fuel ratio feedback correction when the rich-lean abnormality flag F2 is equal to value ‘1’) after finishing the increase correction at the timing when the increase correction time Tinc elapses from the start of fuel injection (S140 through S240).

    摘要翻译: 空燃比传感器的功能确定,包括确定是否发生作为空燃比传感器对来自富油的发动机的空燃比的变化的响应较小的异常的富稀的异常 执行空燃比与稀空燃比的关系。 当富稀燃异常标志F2等于值“1”时发动机通过电动机起动而启动,则燃料喷射到发动机中的空燃比反馈校正开始于稍后的定时 在从燃料喷射开始经过基本起动时间Tafb的时刻(在富稀缺异常标志F2等于值'1'时启动空燃比反馈校正的定时) 从燃料喷射开始经过增加校正时间Tinc的时刻(S140〜S240)。

    COLD START UP AUXILIARY SYSTEM FOR ALCOHOL AND FLEX ENGINES WITH AIR-INLET AND ALCOHOL WARM UP
    27.
    发明申请
    COLD START UP AUXILIARY SYSTEM FOR ALCOHOL AND FLEX ENGINES WITH AIR-INLET AND ALCOHOL WARM UP 有权
    冷启动辅助系统用于酒精和柔性发动机与空气入口和酒精温暖

    公开(公告)号:US20090241915A1

    公开(公告)日:2009-10-01

    申请号:US12088075

    申请日:2006-09-12

    IPC分类号: F02M53/06 F02M69/30 F02M53/02

    摘要: The present invention relates to a new auxiliary system of cold start, preferably used in the internal combustion engines that use alcohol as fuel. The engines ‘Flex Fuel’ (alcohol/gasoline/GNV) are included in the possibility of the use of this invention. The cold starting system makes use of resistances (3) positioned in the entrance of the injectors (4); resistances (6) inside of each injector (1) or one resistance (5) for every pipe holder of nozzles (2), and the three possibilities can be used simultaneously, combined two by two or separately, depending on the necessity of warm up alcohol flow and the energy consumption. It can also make use of groups of resistances (11, 12, 13) positioned in the intake. Additionally one or two auxiliary injectors can be foreseen (supplementary) in the intake collector with the same alcohol heating system.

    摘要翻译: 本发明涉及一种新的冷起动辅助系统,优选用于使用酒精作为燃料的内燃机。 发动机的“Flex Fuel”(酒精/汽油/ GNV)包含在使用本发明的可能性。 冷启动系统利用位于喷射器(4)的入口中的电阻(3); 每个注射器(1)内部具有电阻(6)或每个喷嘴(2)的管座的一个电阻(5),并且三种可能性可以同时使用,两种或两种组合,这取决于预热的必要性 酒精流量和能量消耗。 它还可以利用位于进气口中的一组电阻(11,12,13)。 另外,一个或两个辅助注射器可以使用相同的酒精加热系统在进气收集器中预见(补充)。

    Fuel supply system with two-stage control pressure regions
    30.
    发明授权
    Fuel supply system with two-stage control pressure regions 失效
    燃油供应系统具有两级控制压区

    公开(公告)号:US5558063A

    公开(公告)日:1996-09-24

    申请号:US535632

    申请日:1995-09-28

    摘要: A fuel supply system for an engine comprises a fuel pump for supplying fuel to fuel injectors, a pump controller which increases the fuel delivery flow rate from the fuel pump during hot restarting or high load running of the engine and a pressure regulator disposed in a fuel supply passage between the fuel pump and the injectors for adjusting the fuel supply pressure at which fuel is supplied to the injectors. The pressure regulator adjusts the fuel supply pressure according to an excess fuel flow rate of fuel returned to the fuel tank from the pressure regulator to a low-pressure side control pressure region over a first excess fuel flow rate range and to a high-pressure side control pressure region over a second excess fuel flow rate range. Based on simple electronic control of the fuel pump the pressure regulator keeps the fuel supply pressure in the high-pressure side control pressure region during hot restarting and high load running of the engine and thereby suppresses the arrival of fuel vapor at the injectors and improves the hot restarting and high load running characteristics of the engine.

    摘要翻译: 用于发动机的燃料供应系统包括用于向燃料喷射器供应燃料的燃料泵,一个泵控制器,其在发动机的热重启或高负载运行期间增加燃料泵的燃料输送流量,以及设置在燃料中的压力调节器 燃料泵和喷射器之间的供应通道,用于调节向喷射器供应燃料的燃料供应压力。 压力调节器根据在第一过剩燃料流量范围内从压力调节器返回到低压侧控制压力区域的燃料的过剩燃料流量和高压侧来调节燃料供应压力 控制压力区域超过第二过量燃料流量范围。 基于燃料泵的简单电子控制,压力调节器在发动机的热重启和高负载运行期间将燃料供应压力保持在高压侧控制压力区域中,从而抑制燃料蒸汽到达喷射器,并且改善 发动机的热重启动和高负载运行特性。