公开(公告)号：US20040118387A1

公开(公告)日：2004-06-24

申请号：US10248121

申请日：2002-12-19

申请人： FORD GLOBAL TECHNOLOGIES, INC.

发明人： Donald McAlpine Lawrence

IPC分类号： F02M033/02

CPC分类号： F02M35/10222 ,  B01D53/02 ,  B01D53/92 ,  F02M25/08 ,  F02M35/0218 ,  F02M35/10019 ,  F02M35/10275 ,  F02M35/10334 ,  F02M35/112 ,  F02M35/1255 ,  F02M35/1272 ,  F02M35/1288

摘要： The present invention discloses a hydrocarbon-removing component for the air intake system of an internal combustion engine which removes hydrocarbons escaping a vehicle when the engine is not in use. The hydrocarbon-removing component of the present invention includes a duct with a hydrocarbon-removing material incorporated in an inner surface. The preferred hydrocarbon-removing material include activated carbon and zeolites.

摘要翻译： 本发明公开了一种用于在不使用发动机时除去车辆排出的烃的内燃机的进气系统的烃类除去部件。 本发明的烃除去组分包括在内表面结合有除烃材料的管道。 优选的烃去除材料包括活性炭和沸石。

公开(公告)号：US20040031469A1

公开(公告)日：2004-02-19

申请号：US10303556

申请日：2002-11-25

发明人： Sam R. Reddy

IPC分类号： F02M033/02

CPC分类号： B01D53/02 ,  B01D53/0407 ,  B01D53/77 ,  B01D53/92 ,  B01D2253/102 ,  B01D2253/308 ,  B01D2256/24 ,  B01D2259/4516 ,  B01D2259/4566 ,  F02M25/0854 ,  F02M25/089

摘要： An evaporative emission control system for a vehicle comprises a scrubber containing an activated carbon fiber material selected to adsorb butane and/or pentane isomer vapors in low concentrations in air passing through the scrubber and to desorb the adsorbed butane and/or pentane isomers without being heated. A method for reducing bleed emission to below about 3 mg per day uses the scrubber.

摘要翻译： 用于车辆的蒸发排放控制系统包括洗涤器，其包含活性碳纤维材料，所述活性炭纤维材料被选择用于吸收通过洗涤器的空气中低浓度的丁烷和/或戊烷异构体蒸气，并且在不加热的情况下解吸吸附的丁烷和/或戊烷异构体 。 将排放量减少到每天低于约3mg的方法使用洗涤器。

公开(公告)号：US20040020476A1

公开(公告)日：2004-02-05

申请号：US10211390

申请日：2002-08-02

申请人： Honda Giken Kogyo Kabushiki Kaisha

发明人： Brian Joseph Seskes

IPC分类号： F02M033/02

CPC分类号： F02M25/08 ,  F02M25/089

摘要： An evaporative fuel system is provided. The evaporative fuel system includes a fuel tank and a conduit having a first end connected to the fuel tank and a second end. A vent structure is connected to the second end of the conduit. The vent structure includes a housing and an air passageway defined in the housing wherein at least a portion of the air passageway is a sinuous path. A first port is formed in the housing for connecting the air passageway to the conduit. A second port is formed in the housing for connecting the air passageway to atmosphere.

摘要翻译： 提供蒸发燃料系统。 蒸发燃料系统包括燃料箱和具有连接到燃料箱的第一端和第二端的导管。 通气结构连接到导管的第二端。 排气结构包括壳体和限定在壳体中的空气通道，其中空气通道的至少一部分是弯曲路径。 第一端口形成在壳体中，用于将空气通道连接到导管。 第二端口形成在壳体中，用于将空气通道连接到大气。

公开(公告)号：US20040016416A1

公开(公告)日：2004-01-29

申请号：US10621619

申请日：2003-07-18

申请人： HITACHI, LTD. ,  HITACHI CAR ENGINEERING CO., LTD.

发明人： Takanobu Ichihara ,  Masami Nagano ,  Kozo Katogi ,  Hiroaki Saeki

IPC分类号： F02B031/00 ,  F02M033/02

CPC分类号： F02D41/3094 ,  F02D9/02 ,  F02D31/005 ,  F02D41/0255 ,  F02D41/064 ,  F02D41/067 ,  F02D41/32 ,  F02M31/135 ,  F02M69/325 ,  F02N11/0818 ,  Y02T10/126 ,  Y02T10/26

摘要： To improve startability and reduce the amount of HC emission at start-up with the aid of a construction where vaporized fuel is supplied to the bypass passage that bypasses the main passage. The main air control valve 16 is installed near the intake port 10 of the main air passage 3, and the main air control valve is closed or throttled at the time of start-up or additional injection from the port injection valve 5 is given in the beginning of start-up cranking. With a apparatus equipped with the main air control valve, vaporization of the fuel injected from the auxiliary injection valve 6 is facilitated in the beginning of cranking and also intake delay of the vaporized fuel is reduced, and hence startability can improve and the amount of HC emission at the time of start-up can decrease. With a apparatus where additional injection is given from the port injection valve 5 in the beginning of cranking, fuel supply into the cylinder is achieved quickly, and hence startability can improve and the amount of HC emission at the time of start-up can decrease.

摘要翻译： 借助于将旁路通道的旁通通道供给汽化燃料的结构，来提高起动性并减少启动时HC排放量。 主空气控制阀16安装在主空气通道3的进气口10附近，并且在启动时关闭或节流主空气控制阀，或者从喷油阀5向喷油阀5提供附加喷射 开始启动起动。 使用装备有主空气控制阀的装置，在起动开始时便于从辅助喷射阀6喷射的燃料的蒸发，并且还减少汽化燃料的进气延迟，因此可以提高启动能力和HC的量 启动时的排放可能会下降。 利用在启动开始时从端口喷射阀5进行附加喷射的装置，能够快速地实现向气缸的供给，从而可以提高启动性，并且能够降低启动时的HC排放量。

公开(公告)号：US20030019482A1

公开(公告)日：2003-01-30

申请号：US10165300

申请日：2002-06-10

申请人： NISSAN MOTOR CO., LTD.

发明人： Akihiro Kawano

IPC分类号： F02M033/02

CPC分类号： F02M25/0809

摘要： An evaporative emission control system for an engine (1) includes a fuel tank (2), a pipe (4, 7) connecting the fuel tank and an engine intake passage, a canister (3) which adsorbs fuel evaporating gas vaporized in the fuel tank, a purge valve (8) provided between the intake passage and the canister, and a sensor (9) which is provided between the purge valve and the fuel tank, and detects absolute pressure in the pipe. A controller (15) sets the detected pressure before engine startup as an atmospheric pressure.

摘要翻译： 用于发动机（1）的蒸发排放控制系统包括燃料箱（2），连接燃料箱和发动机进气通道的管道（4,7），吸收在燃料中蒸发的燃料蒸发气体的罐（3） 设置在进气通道和罐之间的排气阀（8）和设置在排气阀和燃料箱之间的传感器（9），并且检测管道中的绝对压力。 控制器（15）将发动机起动前的检测压力设定为大气压。

公开(公告)号：US20030005915A1

公开(公告)日：2003-01-09

申请号：US10178481

申请日：2002-06-25

申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA

发明人： Noritake Mitsutani

IPC分类号： F02M033/02

CPC分类号： F02M25/089 ,  F02D41/0042 ,  F02D41/0045 ,  F02D41/1454 ,  F02D41/401 ,  F02D2041/1422

摘要： Gas containing fuel vapor is purged as purge gas from a canister to an intake passage through a purge line. An ECU computes purge flow rate, which is the flow rate of the purge gas, and computes vapor concentration, which is the concentration of the fuel vapor contained in the purge gas. The ECU obtains a concentration correction value in accordance with the rate of change of the computed purge flow rate. The ECU correct the computed vapor concentration by using the concentration correction value and by taking into consideration of the time at which the purge flow rate is computed and the time at which purge gas having the computed flow rate is drawn into the combustion chamber. The ECU sets the fuel supply amount in accordance with the computed purge flow rate and the corrected vapor concentration. As a result, the accuracy of the air-fuel ratio control during purging is improved.

摘要翻译： 含有燃料蒸汽的气体被吹扫为吹扫气体，从罐到净化管线的进气通道。 ECU计算吹扫流量，即净化气体的流量，并计算蒸汽浓度，蒸汽浓度是吹扫气体中所含的燃料蒸气的浓度。 ECU根据计算出的清洗流量的变化率来获得浓度校正值。 ECU通过使用浓度校正值并考虑到计算清洗流量的时间和计算流量的吹扫气体被吸入燃烧室的时间来校正计算的蒸气浓度。 ECU根据计算的吹扫流量和校正的蒸气浓度来设定燃料供给量。 结果，提高了净化时的空燃比控制的精度。

公开(公告)号：US20020112702A1

公开(公告)日：2002-08-22

申请号：US09960732

申请日：2001-09-24

发明人： Craig Weldon ,  Alfred Schneider

IPC分类号： F02M033/02

CPC分类号： F16K31/0655 ,  F16K24/04

摘要： A method of operating a fuel tank isolation valve and a canister vent valve. The fuel tank isolation valve has a first port, a second port, an electric actuator, and a valve body. The first port is in fluid communication with a fuel vapor collection canister. The second port is in fluid communication with a fuel tank. The electric actuator moves the valve body to control fluid communication between the first and second ports. And the canister vent valve controls ambient fluid flow with respect to the fuel vapor collection canister. The method includes supplying a first electric signal to the electric actuator such that the valve body permits substantially unrestricted fuel vapor flow between the first and second ports, supplying a second electric signal to the electric actuator such that the valve body substantially prevents fuel vapor flow between the first and second ports, supplying a third electric signal to the electric actuator such that the valve body provides restricted fuel vapor flow between the first and second ports, and supplying a fourth electric signal to the canister vent valve to permit ambient fluid flow into the fuel vapor collection canister. The supplying the fourth electric signal is coincident with the supplying the second electric signal.

公开(公告)号：US20020096148A1

公开(公告)日：2002-07-25

申请号：US09768770

申请日：2001-01-24

发明人： David Karl Trumpy ,  Philip J. Johnson

IPC分类号： F02M033/02

CPC分类号： F02M33/02

摘要： A vapor evacuation system that is used to intermittently remove hydrocarbon vapors from vehicle components to an available vapor storage canister using an electrically controlled small flow rate vapor-handling pump. The vapor-handling pump is intermittently turned on and off as a function of ambient temperature or inlet manifold temperature and as a function of time since last engine-on operation.

摘要翻译： 蒸汽抽出系统，其用于使用电控小流量蒸汽处理泵将车辆部件中的碳氢化合物蒸汽间歇地除去可用的蒸汽储存罐。 蒸气处理泵根据环境温度或进口歧管温度间歇地打开和关闭，并且随着上一次发动机操作的时间而变化。

公开(公告)号：US20020017282A1

公开(公告)日：2002-02-14

申请号：US09769267

申请日：2001-01-26

发明人： Shinji Araki ,  Satoshi Kimura ,  Hideaki Kanazawa

IPC分类号： F02M033/02

CPC分类号： F16K17/196 ,  B60K15/03504 ,  B60K15/03519 ,  B60K2015/03296 ,  F16K24/00 ,  Y10T137/7775 ,  Y10T137/7776 ,  Y10T137/778 ,  Y10T137/8704

摘要： The pressure control valve is structured such that a first port is formed on one side of a casing, a second port is formed on the other side, and, in the casing, there are disposed not only a positive pressure valve which, when the pressure on the first port side becomes high, can be moved to the second port side to thereby communicate with the second port side, but also a negative pressure valve which, when the pressure on the first port side becomes low, can be moved to the first port side to thereby communicate with the second port side. In the pressure control valve, there is provided flow passage expanding means which, which the positive pressure valve has moved to the second port side beyond a given distance, allows the first port side to communicate with the second port side. Further, the evaporation fuel discharge control device comprises first communicating means which allows the upstream side of a switch valve to communicate with an pressure introduction passage when the pressure on the upstream side of the switch valve is higher by a given value or more than the pressure on the pressure introduction passage side, and second communicating means which allows the upstream side of the switch valve to communicate with the pressure introduction passage when the pressure on the pressure introduction passage side is higher by a given value or more than the pressure on the upstream side of the switch valve.

摘要翻译： 压力控制阀构造成使得第一端口形成在壳体的一侧上，另一侧形成第二端口，并且在壳体中不仅设置正压阀，当正压力 在第一端口侧变高，可以移动到第二端口侧，从而与第二端口侧连通，而且还可以在第一端口侧的压力变低时能够向第一端口侧移动的负压阀 从而与第二端口侧连通。 在压力控制阀中，设有流动通道膨胀装置，正压阀已经向第二端口侧移动超过给定距离，允许第一端口与第二端口侧连通。 此外，蒸发燃料排出控制装置包括第一连通装置，当开关阀的上游侧的压力高于给定值或大于压力时，允许开关阀的上游侧与压力引入通道连通 在压力引入通道侧的第二连通装置，以及当压力引入通道侧的压力高于给定值或大于上游的压力时允许开关阀的上游侧与压力引入通道连通的第二连通装置 侧开关阀。

公开(公告)号：US20010032625A1

公开(公告)日：2001-10-25

申请号：US09789420

申请日：2001-02-21

发明人： Laurent Fabre

IPC分类号： F02M033/02

CPC分类号： F02M25/0809

摘要： A method of leak detection in a closed vapor handling system of an automotive vehicle, implemented by a system, the method including providing a vacuum detection component having a microcontroller operatively coupled to actuators and sensors, receiving at least one sensor signal from the sensors to the vacuum detection component, processing the at least one sensor signal in the microcontroller, sending output to an engine management system based on the at least one processed sensor signal, processing the output in the engine management system operatively coupled to a control valve, transmitting input from the engine management system to the vacuum detection component based on the processed output, and sending actuator signals from the microcontroller to the actuators. The system including a vacuum detection component having a microcontroller operatively coupled to actuators and sensors, the microcontroller sending and receiving, respectively, signals therefrom and a processor communicating with the microcontroller, the microcontroller processing the signals and sending output based on the processed signals to the processor, the processor processing the output and transmitting input to the microcontroller based on the processed output.

摘要翻译： 一种由系统实现的机动车辆的封闭蒸气处理系统中的泄漏检测方法，该方法包括提供具有可操作地耦合到致动器和传感器的微控制器的真空检测部件，从传感器接收至少一个传感器信号到 真空检测部件，处理微控制器中的至少一个传感器信号，基于至少一个已处理的传感器信号将输出发送到发动机管理系统，处理可操作地耦合到控制阀的发动机管理系统中的输出， 基于经处理的输出将发动机管理系统提供给真空检测部件，并将致动器信号从微控制器发送到致动器。 该系统包括具有可操作地耦合到致动器和传感器的微控制器的真空检测部件，微控制器分别发送和接收来自其的信号和与微控制器通信的处理器，微控制器处理信号并基于处理的信号发送输出到 处理器，处理器基于处理的输出处理输出并向微控制器发送输入。