Detecting leaks
    2.
    发明授权
    Detecting leaks 失效
    检测泄漏

    公开(公告)号:US4577490A

    公开(公告)日:1986-03-25

    申请号:US647547

    申请日:1984-09-06

    IPC分类号: G01M3/04 G01M3/20

    CPC分类号: G01M3/205 G01M3/04

    摘要: A leak detector comprises a detector head which is to be scanned across a surface to detect a signal gas eminating from the surface. The opposite side of the surface from the head is supplied with a signal gas under pressure so that signal gas passes through leaks in the surface. Detection of signal gas by the head should then constitute detection of a leak. A curtain 1 of barrier gas is provided around a sample inlet 2 to protect the inlet from spurious signal gas. Orifices 36 provide narrow high velocity jets 38 which impinge on the surface S within curtain 1 and break up jets such as 34 of signal gas which escape under the curtain 1 without allowing the signal gas to reach the sample inlet.

    摘要翻译: 检漏器包括检测器头,扫描头将被扫过表面以检测从表面排出的信号气体。 与头部相反的一侧,在压力下供给信号气体,使信号气体通过表面的泄漏。 头部的信号气体检测应该构成检测泄漏。 在样品入口2周围设置阻挡气体帘1,以保护入口免受杂散信号气体的侵害。 孔板36提供窄的高速射流38,其冲击窗帘1内的表面S,并且分解诸如信号气体34的射流,其在幕1下方逸出,而不允许信号气体到达样品入口。

    Method and apparatus for determining the state of charge of a battery
    4.
    发明授权
    Method and apparatus for determining the state of charge of a battery 失效
    用于确定电池的充电状态的方法和装置

    公开(公告)号:US4958127A

    公开(公告)日:1990-09-18

    申请号:US870188

    申请日:1986-06-02

    IPC分类号: G01R31/36 H02J7/00

    摘要: A method of determining the state of charge of a motor vehicle battery 1 in which a stabilization load 2 is applied to the battery 1 after the engine is switched off to accelerate the stabilization of the charge distribution within the battery 1. The stabilization load 2 is applied until the terminal voltage of the battery 1 reaches a level corresponding to a predicted value of the state of charge of the battery 1. After a pre-determined delay of 8 hours or less, the terminal voltage of the battery 1 is measured and the state of charge derived therefrom.

    摘要翻译: 一种确定汽车电池1的充电状态的方法,其中在发动机关闭之后将稳定负载2施加到电池1,以加速电池1内的电荷分布的稳定。稳定负载2是 直到电池1的端子电压达到与电池1的充电状态的预测值相对应的电平。在8小时以​​上的预定延迟之后,测量电池1的端子电压,并且 由此产生的电荷。

    Detecting leaks
    5.
    发明授权
    Detecting leaks 失效
    检测泄漏

    公开(公告)号:US4580443A

    公开(公告)日:1986-04-08

    申请号:US571664

    申请日:1984-01-17

    IPC分类号: G01M3/02 G01M3/20 G01N3/20

    CPC分类号: G01M3/202

    摘要: A leak detector has a gas probe 1 for sensing signal gas escaping from an enclosure containing that gas at a pressure slightly in excess of ambient surrounded by a curtain of barrier gas. The reading of a gas analyzer such as a mass spectrometer depends on the height of the probe from the surface. A height sensor is attached to the leak detector and a programmable amplifier 6 contains information on the characteristic curve of the gas sensor. An output signal from the programmable amplifier compensates for the height of the probe from the surface being detected. The speed of the leak detector can be corrected for in the same way.

    摘要翻译: 泄漏检测器具有气体探测器1,用于感测从包含气体的外壳排出的信号气体,其压力稍微超过由屏障气体帘幕围绕的环境。 气体分析仪(如质谱仪)的读数取决于探头从表面的高度。 高度传感器连接到泄漏检测器,可编程放大器6包含关于气体传感器的特性曲线的信息。 来自可编程放大器的输出信号从被检测的表面补偿探头的高度。 泄漏检测器的速度可以以相同的方式进行校正。

    Fluid flow control valve
    6.
    发明授权
    Fluid flow control valve 失效
    流体流量控制阀

    公开(公告)号:US4505293A

    公开(公告)日:1985-03-19

    申请号:US433010

    申请日:1982-10-06

    申请人: Victor E. Strange

    发明人: Victor E. Strange

    CPC分类号: G05D7/0126 Y10T137/2594

    摘要: A valve which is arranged to output from a passage 12 a substantially constant-rate flow of fluid, notwithstanding changes in the flow rate entering the valve by passage 11, is arranged to provide an output from passage 12 which is variable with the static pressure in that passage. Thus when the valve is used to supply a controlled flow to a hydraulic control system an increased flow rate to the system is provided to compensate for increased leakage in the system resulting from a higher static pressure in the system.

    摘要翻译: 布置成从通道12输出基本上恒定速度的流体流动的阀,尽管通过通道11进入阀的流量的变化被设置成提供通道12的输出,该输出可随静压力而变化 那段经文 因此,当阀被用于向液压控制系统提供受控流量时,提供到系统的增加的流量以补偿系统中由于系统中更高的静压引起的系统中的增加的泄漏。

    Method and apparatus for detecting knock in a spark ignition engine
    7.
    发明授权
    Method and apparatus for detecting knock in a spark ignition engine 失效
    用于检测火花点火发动机的爆震的方法和装置

    公开(公告)号:US4584869A

    公开(公告)日:1986-04-29

    申请号:US522673

    申请日:1983-08-12

    申请人: John S. Frodsham

    发明人: John S. Frodsham

    摘要: Transducers 16 detect local vibration of the engine and the signals therefrom can be compared using coherence or correlation functions in the region of the knock frequency to ascertain if the source of the vibrations is the same, indicating knock, or different, indicating random vibration. Two transducers spaced apart can be used, or one can measure cylinder pressure. Alternatively, one sensor could be used, using two signals delayed with respect to each other in time.

    摘要翻译: 传感器16检测发动机的局部振动,并且可以使用在爆震频率区域中的相干或相关函数来比较来自其的信号,以确定振动源是否相同,指示爆震或表示随机振动。 可以使用间隔开的两个换能器,或者可以测量气缸压力。 或者,可以使用一个传感器,使用在时间上相对于彼此延迟的两个信号。

    Detecting leaks
    9.
    发明授权
    Detecting leaks 失效
    检测泄漏

    公开(公告)号:US4577489A

    公开(公告)日:1986-03-25

    申请号:US571665

    申请日:1984-01-17

    IPC分类号: G01M3/04 G01M3/20

    CPC分类号: G01M3/205 G01M3/04

    摘要: The leak detector comprises an annular chamber 11 which leads to a circumferential orifice 14 which in turn leads to an annular duct 21 which is symmetrical about the axis of the detector. Barrier gas is fed to the annular chamber 11, for example from an annular chamber 18 and emerges from the opening 20 to form a substantially laminar flow. Leaks are detected by means of a signal gas within an enclosure at a pressure slightly in excess of ambient, and the signal gas is detected from leaks via a probe 2 which is connected for example to a mass spectrometer. The curtain 1 is stable and enables uneven surfaces to be tracked.

    摘要翻译: 泄漏检测器包括环形室11,环形室11通向圆周孔14,周向孔14又导向围绕检测器的轴线对称的环形管道21。 阻挡气体例如从环形室18供给到环形室11,并从开口20排出以形成基本层流。 通过壳体内的信号气体以略微超过环境温度的压力来检测泄漏,并且通过例如连接到质谱仪的探头2从泄漏中检测信号气体。 帘子1是稳定的并且能够跟踪不平坦的表面。

    Cylinder head for spark ignition internal combustion engine
    10.
    发明授权
    Cylinder head for spark ignition internal combustion engine 失效
    用于火花点火内燃机的气缸盖

    公开(公告)号:US4553515A

    公开(公告)日:1985-11-19

    申请号:US659787

    申请日:1984-10-11

    摘要: A cylinder head 1 has four valves 2, 4 per cylinder and the desirable arrangement whereby the sparking plug 7 electrodes are in the center of the four valves. The sparking plug 7 is housed in a tube 29 to protect it from the oil in the valve gear region of the head. By appropriate choice of dimensions, it has been found possible to operate the valves 2, 4 via rockers 9, 11 by means of a camshaft 18 located in the vee-space between the valves, while still allowing room to accommodate the sparking plug 7. A desirable compactness is thereby achieved.

    摘要翻译: 气缸盖1每个气缸具有四个阀2,4,并且具有期望的布置,由此火花塞7电极位于四个阀的中心。 火花塞7容纳在管29中,以防止头部的阀齿轮区域中的油。 通过适当选择尺寸,已经发现可以通过位于阀之间的阀门空间中的凸轮轴18通过摇臂9,11操作阀2,4,同时仍然允许容纳火花塞7的空间。 由此实现了期望的紧凑性。