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1. 发明申请

WO2008084502B1 INTERNAL COMBUSTION ENGINE WITH PROVISION FOR MOUNTING INJECTOR ON ITSELF 审中-公开
标题翻译：内燃机，其安装在ITSELF上的安装注射器
公开(公告)号：WO2008084502B1
公开(公告)日：2008-11-06
申请号：PCT/IN2008000011
申请日：2008-01-09
申请人： UCAL FUEL SYSTEMS LTD , SHANKAR R
发明人： SHANKAR R
IPC分类号： F02M61/14 , F02M69/04
CPC分类号： F02M61/145 , F02M69/044 , F02M2200/29 , F02M2200/852
摘要： The present subject matter relates to direct fuel injection-type spark-ignition internal combustion engine modified from a carburetor fed engine. The fuel injector (100) has an orifice, which is mounted within an injector sleeve (130) and has a fuel injector axis (145) along its centre. The central axes of the injector sleeve and the fuel injector are coaxial. The fuel stream (120) defines a cone angle a (135) and has a central axis (150). The central axis (150) of the fuel stream (120) forms a bent angle ß (140) with the fuel injector axis (145). The fuel injector (100) is capable of rotation along the injector sleeve axis (155) such that the orifice is capable of achieving a maximum rotational angle y (170), thereby spraying the fuel stream (120) directly into the combustion chamber without wetting walls of the cylinder head (115).
摘要翻译：本发明涉及从化油器进料发动机改进的直接燃料喷射式火花点火内燃机。燃料喷射器（100）具有孔口，其安装在喷射器套筒（130）内，并且沿其中心具有燃料喷射器轴线（145）。喷射器套筒和燃料喷射器的中心轴线是同轴的。燃料流（120）限定锥角α（135）并具有中心轴线（150）。燃料流（120）的中心轴线（150）与燃料喷射器轴线（145）形成弯曲角度ß（140）。燃料喷射器（100）能够沿着喷射器套筒轴线（155）旋转，使得孔口能够实现最大旋转角度y（170），从而将燃料流（120）直接喷射到燃烧室中而不会润湿气缸盖（115）的壁。

2. 发明申请

WO2008152651A3 ELECTRONIC CONTROL FOR FUEL PRESSURE REGULATION IN FUEL INJECTION SYSTEM 审中-公开
标题翻译：燃油喷射系统燃油压力调节的电子控制
公开(公告)号：WO2008152651A3
公开(公告)日：2009-05-07
申请号：PCT/IN2008000359
申请日：2008-06-06
申请人： UCAL FUEL SYSTEMS LTD , SASIKUMAR K , SENTHUR PANDIAN K
发明人： SASIKUMAR K , SENTHUR PANDIAN K
IPC分类号： F02D41/34 , F02D41/24
CPC分类号： F02D41/34 , F02D41/2422 , Y02T10/44
摘要： An electronic fuel injection (EFI) system for regulating fuel injection pressure at different operating conditions of a vehicle is described herein. The EFI system includes an ECU to operate a fuel injector, a fuel pressure regulator by means of inbuilt data sets and evaluating modules. The values for the required quantity of fuel to be injected in an intake manifold and the values for differential pressures of the fuel across the fuel injector at different operating conditions of the vehicle can be obtained from different data sets. These values are evaluated by an evaluating means to determine the duration of the fuel injector opening for a particular operating condition. Another data set provides multiple gain values based on the various differential pressures. These gain values along with an intake manifold pressure value is utilized by another evaluating module, thereby generating an output signal corresponding to the pressure of the fuel required within the fuel injector for different operating conditions.
摘要翻译：本文描述了一种用于在车辆的不同操作条件下调节燃料喷射压力的电子燃料喷射（EFI）系统。 EFI系统包括用于操作燃料喷射器的ECU，通过内置数据集和评估模块的燃料压力调节器。可以从不同的数据组获得要在喷射歧管中喷射的燃料量和在燃料喷射器的不同运行状态下的燃料压差值。这些值通过评估装置来评估，以确定特定操作条件下的燃料喷射器开度的持续时间。另一数据集基于各种压差提供多个增益值。这些增益值与进气歧管压力值一起被另一个评估模块利用，从而产生对应于不同操作条件下在燃料喷射器内所需的燃料的压力的输出信号。

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