Apparatus and method for monitoring and compensating for variation in solenoid resistance during use
    2.
    发明授权
    Apparatus and method for monitoring and compensating for variation in solenoid resistance during use 失效
    用于监测和补偿使用过程中螺线管电阻变化的装置和方法

    公开(公告)号:US07054772B2

    公开(公告)日:2006-05-30

    申请号:US10677646

    申请日:2003-09-30

    IPC分类号: G01R25/00 G01R27/00 G01R13/00

    摘要: A very small fixed current is passed through the coil of a solenoid during use thereof when the solenoid is in its “off” state of cyclic PWM command, the fixed current being less than the current required to actuate the solenoid to the “on” position. While the current is flowing through the coil, the voltage across the coil is measured. The resistance of the coil is calculated according to Ohm's Law. When the actual resistance is known, the duty cycle imposed on the solenoid may be altered to compensate for the resistance deviation from nominal. This allows, for example, fuel injectors for internal combustion engines to deliver the correct amount of fuel under all operating conditions.

    摘要翻译: 当螺线管处于其循环PWM指令的“关闭”状态时,非常小的固定电流在其使用期间通过螺线管的线圈,固定电流小于将螺线管致动到“接通”位置所需的电流 。 当电流流过线圈时,测量线圈两端的电压。 线圈的电阻根据欧姆定律计算。 当实际电阻已知时,施加在螺线管上的占空比可能被改变以补偿电阻与标称的偏差。 这允许例如用于内燃机的燃料喷射器在所有操作条件下输送正确量的燃料。

    Fuel rail permeant collection system
    3.
    发明授权
    Fuel rail permeant collection system 失效
    燃料轨道渗透物收集系统

    公开(公告)号:US06732717B2

    公开(公告)日:2004-05-11

    申请号:US10124788

    申请日:2002-04-17

    IPC分类号: F02M3704

    摘要: A fuel rail permeant collection system includes a substantially impermeable enclosure surrounding a fuel rail on an internal combustion engine. Preferably, the enclosure is in communication with air intake means for the engine, for example, the intake manifold or runners from the manifold to the engine cylinders, such that fuel collected by the enclosure can be evaporated and passed into the intake means for combustion by the engine. The system may be included in a vehicle vapor purge circuit from a fuel tank emissions-control canister system.

    摘要翻译: 燃料轨道渗透物收集系统包括围绕内燃机的燃料轨的基本不可渗透的外壳。 优选地,外壳与用于发动机的进气装置(例如,从歧管到发动机气缸的进气歧管或流道)连通,使得由外壳收集的燃料可以蒸发并进入进气装置以用于燃烧 引擎。 该系统可以包括在来自燃料箱排放控制罐系统的车辆蒸汽吹扫回路中。

    Fuel fill vapor recovery system with differential pressure control valve
    4.
    发明授权
    Fuel fill vapor recovery system with differential pressure control valve 失效
    带压差控制阀的燃油补充蒸汽回收系统

    公开(公告)号:US5462100A

    公开(公告)日:1995-10-31

    申请号:US299282

    申请日:1994-08-31

    IPC分类号: B60K15/035 F16K17/04

    摘要: A refueling vapor recovery system for a vehicle utilizes recirculation of a portion of the displaced vapor and combines a vapor vent valve and a recirculation control into a single differential pressure valve assembly. A vapor vent conduit provides fuel tank vapor pressure to one side of a diaphragm and, through a restricted orifice, to the other side of the diaphragm, the other side being further connected by a recirculation conduit to the tank filler neck. When a gas cap closes the filler neck from the atmosphere, the orifice allows pressure to equalize across the diaphragm; and a spring biases the diaphragm to close a vapor vent valve. When the gas cap is removed, atmospheric pressure is provided through the recirculation conduit to the other side of the diaphragm, which can then be activated by a relatively small differential pressure to open the vent for relatively unrestricted vapor flow from the tank to a canister during refueling, with a small portion of the vapor recirculated in a controlled flow through the orifice and recirculation conduit to the filler neck for entrainment in incoming liquid fuel.

    摘要翻译: 用于车辆的加油蒸汽回收系统利用一部分置换的蒸气的再循环,并将蒸气排放阀和再循环控制组合到单个差压阀组件中。 蒸汽通风管道将隔膜的一侧的燃料箱蒸汽压力提供到隔膜的另一侧,另一侧通过再循环管道进一步连接到罐加注口。 当气帽从大气中关闭加注口时,孔口允许压力在隔膜上平衡; 并且弹簧偏压隔膜以关闭蒸气排放阀。 当除去气帽时,通过再循环管道将大气压力提供到膜片的另一侧,然后可以通过相对较小的压差来启动大气压力,以打开通气口,用于从罐到罐的相对不受限制的蒸气流动 加油,其中一小部分蒸汽以​​受控的流量再循环通过孔口和再循环管道到填充管颈,用于夹带在进入的液体燃料中。

    Evaporative emission control system with vent valve
    5.
    发明授权
    Evaporative emission control system with vent valve 失效
    带排气阀的蒸发排放控制系统

    公开(公告)号:US5437257A

    公开(公告)日:1995-08-01

    申请号:US202626

    申请日:1994-02-28

    IPC分类号: F02M25/08 F02M33/02

    CPC分类号: F02M25/0809 F02M25/0836

    摘要: An evaporative emission control system of an internal combustion engine's fuel system including a vent valve. The vent valve provides a mechanism for closing the evaporative emission control system creating a pressure differential between system and atmospheric under various conditions whereby the system can be automatically diagnosed. The vent valve relieves pressure or vacuum in the system that exceeds a threshold necessary to detect the presence of leaks. The vent valve includes a vacuum actuator providing a low restriction flow path for system purges.

    摘要翻译: 包括排气阀的内燃机燃料系统的蒸发排放控制系统。 排气阀提供关闭蒸发排放控制系统的机构,在各种条件下在系统和大气之间产生压力差,从而可以自动诊断系统。 排气阀可以减轻系统中的压力或真空度,超过检测泄漏情况所需的阈值。 排气阀包括真空致动器,其提供用于系统清洗的低限制流动路径。

    Apparatus and method for controlling a communications terminal
    9.
    发明授权
    Apparatus and method for controlling a communications terminal 失效
    用于控制通信终端的装置和方法

    公开(公告)号:US3958225A

    公开(公告)日:1976-05-18

    申请号:US437257

    申请日:1974-01-28

    CPC分类号: G09G1/00 G06F3/153 G09G5/08

    摘要: A communications terminal control circuit is described which includes a preprogrammed memory. The memory provides a plurality of sequential instruction signals each serving to direct at least a selected operational sequence of the terminal. Two command and two status decoders are included, each responsive to at least one of the instructional signals and capable of initiating a unique terminal operation in response to a selected instructional signal from the memory. Means are provided for comparing outgoing and incoming coded information with selected memory locations thereby analyzing such coded information and directing selected operative terminal instructions in response thereto.

    Vapor storage canister with volume change compensator
    10.
    发明授权
    Vapor storage canister with volume change compensator 失效
    具有容积变化补偿器的蒸汽储存罐

    公开(公告)号:US5098453A

    公开(公告)日:1992-03-24

    申请号:US694600

    申请日:1991-05-02

    IPC分类号: F02M25/08

    CPC分类号: F02M25/0854

    摘要: A bed of activated carbon granules is maintained tightly packed within a fuel vapor storage canister housing by a specially designed compensator. A pair of spring loaded, nested trays move axially relative to one another and push continually into the lower face of the carbon bed to keep it packed. The trays also define a continuous, self maintaining gap that is smaller than the expected carbon granule size, preventing them from falling out in spite of the swelling of the canister housing.