Device for detecting engine knock
    1.
    发明授权
    Device for detecting engine knock 失效
    用于检测发动机爆震的装置

    公开(公告)号:US4337641A

    公开(公告)日:1982-07-06

    申请号:US156745

    申请日:1980-06-05

    摘要: A device for detecting engine knock is disclosed. The device comprises a bipolar vibration sensor secured to a spark ignition internal combustion engine and has first and second outputs for generating respectively signals representing individual ringing engine vibrations due to engine knock and signals representing the background engine vibrations due to engine operation, separately. A smoothing circuit is connected to the second output side of the vibration sensor for forming a means value of the background engine vibration signals. A comparator circuit has a first input terminal connected to the first output side of the vibration sensor and a second input terminal connected to the output side of the smoothing circuit for comparing the mean value of the outputs of the smoothing circuit with the peak value of the ringing engine vibration signals. A utilization circuit is connected to the output side of the comparator circuit for controlling the driving condition of the engine in an optimum manner. The bipolar vibration sensor comprises a first vibration section having a resonance frequency corresponding to the ringing vibration frequency due to engine knock and second vibration section having a resonance frequency different from the ringing vibration frequency.

    摘要翻译: 公开了一种用于检测发动机爆震的装置。 该装置包括固定到火花点火内燃机的双极振动传感器,并且具有第一和第二输出,用于分别产生表示由于发动机爆震引起的各种振铃发动机振动的信号和表示由于发动机操作引起的背景发动机振动的信号。 平滑电路连接到振动传感器的第二输出侧,用于形成背景发动机振动信号的装置值。 比较器电路具有连接到振动传感器的第一输出侧的第一输入端和连接到平滑电路的输出侧的第二输入端,用于将平滑电路的输出的平均值与 振铃发动机振动信号。 利用电路连接到比较器电路的输出侧,用于以最佳方式控制发动机的驱动条件。 双极性振动传感器包括具有与由于发动机撞击引起的振铃频率相对应的共振频率的第一振动部分和具有与振铃频率不同的共振频率的第二振动部分。

    Spark ignition timing control system for an internal combustion engine
    2.
    发明授权
    Spark ignition timing control system for an internal combustion engine 失效
    用于内燃机的火花点火正时控制系统

    公开(公告)号:US4370964A

    公开(公告)日:1983-02-01

    申请号:US174923

    申请日:1980-08-04

    IPC分类号: F02P5/152 F02P5/153 F02P5/04

    CPC分类号: F02P5/1522 Y02T10/46

    摘要: Disclosed is a spark ignition timing control system for a split type multi-cylinder internal combustion engine which operates to advance the spark advance angle of a specific combustion chamber relative to other combustion chambers. The control system generally comprises a means for detecting a knocking condition and generating knocking signal so as to retard spark advance angle corresponding to knocking of engine and a means for detecting engine load condition and thereafter advancing the spark advance angle of the specific combustion chamber when the engine is driven at relatively high loads.

    摘要翻译: 公开了一种用于分体式多气缸内燃机的火花点火正时控制系统,其操作以相对于其他燃烧室推进特定燃烧室的火花提前角。 控制系统通常包括用于检测爆震条件并产生爆震信号以便延迟对应于发动机爆震的火花提前角的装置,以及用于检测发动机负载状态的装置,并且此后在提供特定燃烧室的火花提前角时 发动机在相对较高的负载下被驱动。

    Knocking sensor
    3.
    发明授权
    Knocking sensor 失效
    敲击传感器

    公开(公告)号:US4337640A

    公开(公告)日:1982-07-06

    申请号:US138572

    申请日:1980-04-08

    IPC分类号: G01L23/22 H04R17/02 H04R17/10

    摘要: A knocking sensor having a thin vibrating plate (10) receiving sound produced from an engine. The vibrating plate is applied with a piezoelectric element (11) which delivers electric output in proportion to the vibration. The resonance frequency of the vibrating plate is made same as the knocking frequency. A resonant tube (20) for forming resonating cavity is attached in front of the vibrating plate. A sound collector (30) is provided in front of the vibrating plate. A duct (50) is arranged between the sound collector and the sensor to improve sensitivity and freedom of mounting of the sensor.

    摘要翻译: 具有接收从发动机产生的声音的薄振动板(10)的爆震传感器。 振动板被施加有与振动成比例地输出电力输出的压电元件(11)。 振动板的共振频率与爆震频率相同。 用于形成谐振腔的谐振管(20)安装在振动板的前面。 收集器(30)设置在振动板的前方。 在收集器和传感器之间布置有管道(50),以提高传感器的灵敏度和安装自由度。

    Fuel injection nozzle for an internal combustion engine
    4.
    发明授权
    Fuel injection nozzle for an internal combustion engine 失效
    用于内燃机的燃油喷嘴

    公开(公告)号:US4506833A

    公开(公告)日:1985-03-26

    申请号:US428222

    申请日:1982-09-29

    IPC分类号: F02M61/18 F02M45/08

    CPC分类号: F02M61/18

    摘要: A fuel injection nozzle for an internal combustion engine includes a hollow nozzle body and a valve member liftably disposed therein. The nozzle body and the valve member define a space therebetween through which fuel is supplied to an orifice in the nozzle body. The valve member contacts the nozzle body at a position to block communication between the space and the orifice when the valve member is in the unlifted position. Fuel enters the orifice from the space as the valve member lifts. The valve member and nozzle body have opposing surfaces establishing a gap between the space and orifice. The gap has a cross-sectional area smaller than that of the orifice that remains constant as the valve member lifts through a predetermined range so that the rate of fuel injection increases through a plateau as the valve member lifts to a position above the predetermined range.

    摘要翻译: 一种用于内燃机的燃料喷射喷嘴包括中空喷嘴体和可升降地设置在其中的阀构件。 喷嘴体和阀构件在其间限定了一个空间,燃料通过该空间供应到喷嘴体中的孔口。 当阀构件处于未开启位置时,阀构件在一个位置处接触喷嘴体,以阻挡空间和孔口之间的连通。 当阀构件升起时,燃料从空间进入孔口。 阀构件和喷嘴体具有在空间和孔口之间建立间隙的相对表面。 间隙的截面面积小于孔口的横截面面积,其随着阀构件升高预定范围而保持恒定,使得当阀构件升高到高于预定范围的位置时,燃料喷射速率通过平台升高。

    Fuel injection nozzle
    5.
    发明授权
    Fuel injection nozzle 失效
    燃油喷嘴

    公开(公告)号:US4540126A

    公开(公告)日:1985-09-10

    申请号:US519265

    申请日:1983-08-01

    IPC分类号: F02M61/18 F02M61/06

    CPC分类号: F02M61/1806 F02M61/18

    摘要: A fuel injection nozzle is provided with such an annular fuel passage that its fuel passage section is, at the earlier stage of fuel injection, maintained smaller than the whole sum of the sectional areas of injection orifices and adapted to increase gradually in response to the lift of a nozzle needle so that the rate of fuel injection increases gradually.

    摘要翻译: 燃料喷射喷嘴设置有这样的环形燃料通道,其燃料通道部分在燃料喷射的较早阶段保持小于喷射孔的截面积的总和,并且适于响应于升力而逐渐增加 的喷嘴针,使得燃料喷射速率逐渐增加。

    Transfer passage arrangement for diesel engine having swirl chamber
    7.
    发明授权
    Transfer passage arrangement for diesel engine having swirl chamber 失效
    具有涡流室的柴油机转运通道

    公开(公告)号:US4676209A

    公开(公告)日:1987-06-30

    申请号:US741631

    申请日:1985-06-05

    IPC分类号: F02B3/06 F02B19/08 F02B19/18

    摘要: In order to avoid the formation of smoke and HC when the compression ratio of a swirl chamber type Diesel engine is lowered either by design or by operation in rarified atmospheres, the fuel injector is located on one side of the center axis of the swirl chamber so as to maximize the distance for which the injected fuel can travel before contacting a wall of the chamber and the auxiliary transfer port through which a fraction of the injected fuel is fed to the main combution chamber is arranged so that the axis thereof intersects the axis of the fuel injector and therefore the trajectory along which fuel is injected, at a point defined within the swirl chamber per se and on the opposite side of the center axis with respect to the fuel injector.

    摘要翻译: 为了避免在涡流室型柴油发动机的压缩比通过设计降低或在恶化的气氛中操作而形成烟和HC时,燃料喷射器位于涡流室的中心轴线的一侧,因此 以便在接触室的壁和辅助传送端口之前喷射燃料可以行进的距离最大化,通过该辅助传送端口将喷射的燃料的一部分供给到主组合室被布置成使其轴线与 燃料喷射器,因此燃料喷射的轨迹位于涡流室本身内并且在相对于燃料喷射器的中心轴线的相对侧上的点处。

    Engine system for motor vehicle
    8.
    发明授权
    Engine system for motor vehicle 失效
    汽车发动机系统

    公开(公告)号:US4240253A

    公开(公告)日:1980-12-23

    申请号:US861663

    申请日:1977-12-19

    摘要: An engine system of the invention comprises an internal combustion engine; a carburetor; an exhaust gas recirculation system; an exhaust gas treatment device; and a source of secondary air, in which there is provided a fluid network which interconnects the source of secondary air, the engine exhaust system at a position upstream of the exhaust gas treatment device and the exhaust gas recirculation system at a position upstream of an exhaust gas recirculation valve and there is also provided an air injection control valve fluidly disposed in the fluid network intermediate the source of secondary air and the exhaust gas recirculation system. The air injection control valve is adapted to selectively permit and prevent the admission of air to the exhaust gas recirculation system. A controller for the air injection control valve is also disclosed which comprises a detector that generates as an output signal a first signal responsive to urban driving conditions which are empirically determined to occur when the motor vehicle is driven in urban areas and a second signal responsive to rural driving conditions which are empirically determined to occur when the motor vehicle is driven in rural areas. The controller causes the air injection valve to permit the admission of air to the EGR system when the detector detects the rural driving conditions.

    摘要翻译: 本发明的发动机系统包括内燃机; 化油器 排气再循环系统; 废气处理装置; 和二次空气源,其中提供了一个流体网络,其将二次空气源互相连接,发动机排气系统在废气处理装置的上游位置和废气再循环系统之间的排气上游 气体再循环阀,并且还提供了流体地设置在二次空气源和废气再循环系统中的流体网络中的空气喷射控制阀。 空气喷射控制阀适于选择性地允许和防止空气进入废气再循环系统。 还公开了一种用于空气喷射控制阀的控制器,其包括一个检测器,该检测器产生响应城市驾驶条件的第一信号,所述城市驾驶条件是经验确定的,当汽车在城市区域被驱动时发生,第二信号响应于 在农村地区驾驶汽车的经验确定的农村驾驶条件。 当检测器检测到农村驾驶条件时,控制器使得空气喷射阀允许空气进入EGR系统。

    Spark timing control system for an internal combustion engine
    9.
    发明授权
    Spark timing control system for an internal combustion engine 失效
    用于内燃机的火花计时控制系统

    公开(公告)号:US4393837A

    公开(公告)日:1983-07-19

    申请号:US173811

    申请日:1980-07-30

    CPC分类号: F02P5/1521 Y02T10/46

    摘要: An ignition spark timing control system for an internal combustion engine capable of controlling the ignition spark advance angle corresponding to a knocking condition of the engine. The spark timing control system includes a means for retarding spark timing in response to an engine knocking condition and a means for detecting unstable driving condition of the engine and interrupting the retarding of the spark timing when the engine driving condition is unstable in order to maximize the engine output characteristics and improve fuel economy.

    摘要翻译: 一种用于内燃机的点火火花正时控制系统,其能够控制与发动机的爆震条件对应的点火火花提前角。 火花正时控制系统包括用于响应于发动机爆震条件来延迟火花正时的装置和用于检测发动机的不稳定驱动条件的装置,并且当发动机驱动条件不稳定时中断火花正时的延迟,以便最大化 发动机输出特性,提高燃油经济性。

    Exhaust gas recirculation system with control apparatus for exhaust gas
flow control valve
    10.
    发明授权
    Exhaust gas recirculation system with control apparatus for exhaust gas flow control valve 失效
    废气再循环系统,带排气流量控制阀控制装置

    公开(公告)号:US4041914A

    公开(公告)日:1977-08-16

    申请号:US588238

    申请日:1975-06-19

    IPC分类号: F02M25/07 F02M25/06

    CPC分类号: F02M26/56

    摘要: An exhaust gas recirculation system comprises an exhaust gas flow control valve; a vacuum actuator for operation of the flow control valve; and a control apparatus for the vacuum actuator. The control apparatus comprises a vacuum regulator and a vacuum motor for actuating the vacuum regulator in response not only to the venturi vacuum but also to the intake manifold vacuum.

    摘要翻译: 排气再循环系统包括废气流量控制阀; 用于操作流量控制阀的真空致动器; 以及用于真空致动器的控制装置。 该控制装置包括一个真空调节器和一个真空马达,用于致动真空调节器,不仅响应于文丘里真空,而且还响应于进气歧管真空。