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    AIR SUPPLY DEVICE OF GAS ENGINE
    4.
    发明申请
    AIR SUPPLY DEVICE OF GAS ENGINE 有权
    燃气发动机空气供应装置

    公开(公告)号：US20140000255A1

    公开(公告)日：2014-01-02

    申请号：US13979021

    申请日：2011-09-30

    申请人： Hajime Suzuki ,  Yuuichi Shimizu ,  Hideki Nishio

    发明人： Hajime Suzuki ,  Yuuichi Shimizu ,  Hideki Nishio

    IPC分类号： F02B37/12

    CPC分类号： F02B37/12 ,  F02B29/0406 ,  F02B37/00 ,  F02B37/18 ,  F02D9/02 ,  F02D19/02 ,  F02D41/0007 ,  F02D2200/0402 ,  F02D2200/0414 ,  F02D2200/0416 ,  F02D2200/703 ,  F02M21/0215 ,  F02M21/0227 ,  F02M31/13 ,  F02M35/108 ,  F02N19/04 ,  F02N19/06 ,  Y02T10/126 ,  Y02T10/144 ,  Y02T10/32

    摘要： An air supply device of a gas engine having a turbocharger includes a first intake passage configured to guide the mixture of outdoor air and unpurified gas into the turbocharger, a second intake passage configured to guide indoor air into the turbocharger, a filter configured to remove a solid impurity in the unpurified gas which is disposed in the first intake passage, a first damper capable of opening and closing the first intake passage disposed on the downstream side of the filter in the first intake passage, a heating unit for heating the indoor air disposed in the second intake passage, a second damper capable of opening and closing the second intake passage disposed on the downstream side of the heating unit in the second intake passage, and a damper control device configured to control the opening degree of each of the first and second dampers.

    摘要翻译： 具有涡轮增压器的燃气发动机的供气装置包括：第一进气通道，其构造成将室外空气和未净化气体的混合物引导到涡轮增压器中;第二进气通道，其构造成将室内空气引导到涡轮增压器中;滤清器， 设置在第一进气通道中的未纯化气体中的固体杂质，能够打开和关闭设置在第一进气通道中的过滤器的下游侧的第一进气通道的第一阻尼器，设置在室内空气中的室内空气的加热单元 在第二进气通道中，具有能够打开和关闭设置在第二进气通道中的加热单元的下游侧的第二进气通道的第二阻尼器，以及阻尼控制装置，其构造成控制第一和 第二个阻尼器

    VENTILATING CONDITION DETERMINE METHOD OF IDLE STOP AND GO FUNCTION
    5.
    发明申请
    VENTILATING CONDITION DETERMINE METHOD OF IDLE STOP AND GO FUNCTION 有权
    空闲停止和去功能的通风条件测定方法

    公开(公告)号：US20120282852A1

    公开(公告)日：2012-11-08

    申请号：US13291694

    申请日：2011-11-08

    申请人： Jiyong Yu ,  Chongah Gwon ,  Junghwan Bang ,  Hyungjun Kim

    发明人： Jiyong Yu ,  Chongah Gwon ,  Junghwan Bang ,  Hyungjun Kim

    IPC分类号： B60H1/00

    CPC分类号： F02N11/084 ,  B60H1/00778 ,  B60H1/00807 ,  F02D2200/0416 ,  F02N2200/122 ,  Y02T10/48

    摘要： A method of determining an Idle Stop and Go (ISG) ventilation condition may include an ISG restriction early step that calculates an expected external air temperature through modeling using information acquired from a vehicle and execute an ISG logic to determine whether ISG entrance is possible based on a current ventilation condition of the vehicle, an ISG restriction proceeding step that detects an voltage of an air-conditioning system, an ISG restriction ascertaining step that determines whether an ISG entrance condition is satisfied, wherein the ISG entrance condition includes comparing the expected external air temperature through modeling with a specific temperature and the voltage of the air-conditioning system with a specific voltage, and an ISG entrance step that controls an engine by performing the ISG entrance when the ISG entrance condition is satisfied.

    摘要翻译： 确定空闲停止和停车（ISG）通气条件的方法可以包括ISG限制早期步骤，其通过使用从车辆获得的信息进行建模来计算预期的外部空气温度，并执行ISG逻辑以基于 车辆的当前通风条件，检测空调系统的电压的ISG限制步骤步骤，确定是否满足ISG入口条件的ISG限制确定步骤，其中ISG入口条件包括比较预期的外部空气 温度通过具有特定温度的模拟和具有特定电压的空调系统的电压，以及ISG入口步骤，当满足ISG入口条件时通过执行ISG入口来控制发动机。

    Method for estimating the oxygen concentration in internal combustion engines
    6.
    发明授权
    Method for estimating the oxygen concentration in internal combustion engines 失效
    估计内燃机氧浓度的方法

    公开(公告)号：US07946162B2

    公开(公告)日：2011-05-24

    申请号：US12397427

    申请日：2009-03-04

    申请人： Nando Vennettilli ,  Massimiliano Maira

    发明人： Nando Vennettilli ,  Massimiliano Maira

    IPC分类号： G01M15/10

    CPC分类号： F02D41/18 ,  F02D41/0072 ,  F02D2041/1416 ,  F02D2041/1432 ,  F02D2200/0402 ,  F02D2200/0406 ,  F02D2200/0408 ,  F02D2200/0416 ,  F02M26/47

    摘要： A method for estimating the oxygen concentration in an internal combustion engine that includes, but is not limited to an intake manifold, an exhaust manifold, an EGR system, a throttle valve, an air mass sensor for measuring a fresh air flow ({dot over (m)}thr) entering the intake manifold through the throttle valve, and cylinders. The method includes, but is not limited to the steps of estimating the total gas flow ({dot over (m)}o) entering the cylinders, calculating the EGR gas flow ({dot over (m)}egr), calculating the air fraction (f—air—em) of the gas flowing in the exhaust manifold, calculating the air mass (mim—air) entering the cylinders based on the air fraction (f—air—em) in the exhaust manifold, on the total gas flow ({dot over (m)}o) entering the cylinders, on the EGR gas flow ({dot over (m)}egr) and on the fresh air flow ({dot over (m)}thr), calculating the total mass (mim) in the intake manifold based on the fresh air flow ({dot over (m)}thr), on the EGR gas flow ({dot over (m)}egr) and on the total gas flow ({dot over (m)}o) entering the cylinders, calculating the air fraction (fair—im) in the intake manifold based on the air mass (mim—air) entering the cylinders and the total mass (mim) in the intake manifold, and calculating the oxygen mass concentration ([O2]m—im) in the intake manifold based on the air fraction (fair—im) in the intake manifold.

    摘要翻译： 一种用于估计内燃机中的氧浓度的方法，其包括但不限于进气歧管，排气歧管，EGR系统，节流阀，用于测量新鲜空气流的空气质量传感器（{dot over （m）} thr）通过节流阀进入进气歧管和气缸。 该方法包括但不限于估计进入气缸的总气体流量（{dot over（m）} o），计算EGR气体流量（{dot over（m）} egr），计算空气 在排气歧管中流动的气体的分数（f-air-em），基于排气歧管中的空气分数（f-air-em）计算进入气缸的空气质量（mim-air），总气体 在EGR气流（{dot over（m）} egr）和新鲜空气流（{dot over（m）} thr）上的流量（{dot over（m）} o）进入气缸，计算总计 基于新鲜空气流量（{dot over（m）} thr），EGR气体流量（{dot over（m）} egr）和总气体流量（{dot over （m）} o）进入气缸，基于进入气缸的空气质量（mim-air）和进气歧管中的总质量（mim）计算进气歧管中的空气分数（fair-im），并计算 摄入量中的氧质量浓度（[O2] m-im） 基于进气歧管中的空气部分（fair-im）的烟雾。

    Detecting coolant flow reduction for a marine engine system
    7.
    发明授权
    Detecting coolant flow reduction for a marine engine system 失效
    检测船用发动机系统的冷却剂流量减少

    公开(公告)号：US07932833B2

    公开(公告)日：2011-04-26

    申请号：US11987546

    申请日：2007-11-30

    申请人： Sridhar Deivasigamani

    发明人： Sridhar Deivasigamani

    IPC分类号： G08B21/00 ,  G01M15/00 ,  G01M17/00 ,  F02B41/00 ,  F01P9/00

    CPC分类号： G01M15/09 ,  F01P11/18 ,  F01P2025/06 ,  F01P2025/42 ,  F01P2025/64 ,  F01P2031/20 ,  F01P2031/36 ,  F01P2050/04 ,  F02B29/0493 ,  F02D41/22 ,  F02D2200/0414 ,  F02D2200/0416 ,  Y02T10/146

    摘要： A system for detecting a reduction in engine coolant flow rate is provided. The system includes a device configured to monitor at least one parameter associated with an engine, and a device configured to measure actual engine air intake manifold temperature. The system further includes a controller configured to determine a theoretical engine air intake manifold temperature based on the at least one monitored parameter, compare the theoretical engine air intake manifold temperature with the actual measured engine air intake manifold temperature, and generate a signal indicative of engine coolant flow rate.

    摘要翻译： 提供了用于检测发动机冷却剂流量的降低的系统。 该系统包括被配置为监测与发动机相关联的至少一个参数的装置以及被配置为测量实际发动机进气歧管温度的装置。 该系统还包括控制器，该控制器被配置为基于至少一个监测参数来确定理论发动机进气歧管温度，将理论发动机进气歧管温度与实际测量的发动机进气歧管温度进行比较，并产生指示发动机的信号 冷却液流量。

    Intake air temperature sensor diagnostic system and method
    8.
    发明授权
    Intake air temperature sensor diagnostic system and method 有权
    进气温度传感器诊断系统及方法

    公开(公告)号：US07797993B2

    公开(公告)日：2010-09-21

    申请号：US12051062

    申请日：2008-03-19

    申请人： Kurt D. Mc Lain ,  Wenbo Wang

    发明人： Kurt D. Mc Lain ,  Wenbo Wang

    IPC分类号： G01M15/04

    CPC分类号： F02D41/187 ,  F02D41/222 ,  F02D2200/0414 ,  F02D2200/0416 ,  F02D2400/08 ,  Y02T10/40

    摘要： An intake air temperature (IAT) sensor diagnostic system may include an IAT determination module, a mass air flow (MAF) module, and a diagnostic module. The IAT determination module determines a measured IAT based on an IAT sensor. The MAF module determines a reference temperature based on a MAF sensor. The diagnostic module determines faults in the IAT sensor based on a comparison between the reference temperature and the measured IAT.

    摘要翻译： 进气温度（IAT）传感器诊断系统可以包括IAT确定模块，大气流（MAF）模块和诊断模块。 IAT确定模块基于IAT传感器确定测量的IAT。 MAF模块基于MAF传感器确定参考温度。 诊断模块基于参考温度和测量的IAT之间的比较来确定IAT传感器中的故障。