Measurement of variations in internal combustion engine output
    1.
    发明授权
    Measurement of variations in internal combustion engine output 失效
    内燃机输出变化的测量

    公开(公告)号:US4532798A

    公开(公告)日:1985-08-06

    申请号:US615910

    申请日:1984-05-31

    IPC分类号: G01M15/04 G01M15/08 G01M15/00

    摘要: In a method for measuring variations in the output of an internal combustion engine, at least one of signals respectively representing an engine speed, torque, and internal cylinder pressure of the internal combustion engine during the firing strokes of the engine is obtained. A periodical and pulsating change in the obtained signal is detected. A differential value at a portion of the change of the signal having a maximum gradient is then detected. Another method provides measuring variations in the output of the internal combustion engine by calculating the difference between the maximum and minimum values of the change of the obtained signal. Still another method provides measuring variations in the output of the internal combustion engine by correcting the obtained value in accordance with the engine speed. Still another method provides measuring variations in the output of the internal combustion engine by calculating the difference between consecutive changes.

    摘要翻译: 在一种用于测量内燃机的输出变化的方法中,获得分别代表发动机的点火行程期间内燃机的发动机转速,转矩和内汽缸压力的信号中的至少一个。 检测到所获得的信号中的周期性和脉动变化。 然后检测具有最大梯度的信号的变化的一部分的差分值。 另一种方法通过计算获得的信号的变化的最大值和最小值之间的差异来提供内燃机输出的测量变化。 另一种方法通过根据发动机转速校正获得的值来提供内燃机的输出的测量变化。 另一种方法通过计算连续变化之间的差异来提供内燃机输出的测量变化。

    Dual sensitivity torque detector
    8.
    发明授权

    公开(公告)号:US4503713A

    公开(公告)日:1985-03-12

    申请号:US486832

    申请日:1983-04-20

    IPC分类号: G01L3/10 G01L3/14 G01L3/02

    CPC分类号: G01L3/1407 G01L3/109

    摘要: A torque detector, particularly a torque detector for detecting a torque applied to a torque transmission shaft which is connected to a load such as a wheel of an automobile, comprises a first shaft connected to a driving shaft, a second shaft connected to a torque transmission shaft, and a plurality of elastic members, each of which is interposed between the first shaft and the second shaft for transmitting the torque of the first shaft to the second shaft while receiving the compression force between the first shaft and the second shaft when the driving shaft is driven. The first shaft comprises a flange portion wherein a plurality of long grooves are formed so as to extend in the rotating direction thereof. The second shaft comprises a flange portion wherein a plurality of long holes are formed so as to extend in the rotating direction thereof and penetrate therethrough at such positions as to be substantially opposed to said long grooves. Each of the elastic members is accommodated within each of the long holes. The projecting side portion of each of the elastic members is accommodated within each of the long grooves. The long holes are grouped into two kinds of long holes having different lengths in the rotating direction of the second shaft. One kind of long holes have a length equal to that of the long groove of the first shaft while the other kind of long holes have a length longer than that of one kind of long holes by a predetermined angular distance. Until the applied torque reaches a predetermined value, the first shaft is connected to the second shaft only through one kind of elastic members to decrease the total spring constant thereof and when the applied torque exceeds the predetermined value, the first shaft is connected to the second shaft through all of the elastic members to increase the total spring constant thereof. The torque detector further comprises a data processor by which the angular phase difference between the first shaft and the second shaft, which occurs due to the compression of the elastic members is detected and torque is calculated from the detected angular phase difference.

    Torque detector
    9.
    发明授权
    Torque detector 失效
    扭矩检测器

    公开(公告)号:US4513626A

    公开(公告)日:1985-04-30

    申请号:US468715

    申请日:1983-02-22

    IPC分类号: G01L3/10 G01L3/14

    CPC分类号: G01L3/109 G01L3/1435

    摘要: A torque detector for detecting a torque applied to a load from a driving shaft is disclosed. The torque detector comprises an elastic member which is interposed between a first shaft connected to the driving shaft and a second shaft connected to the load so as to be connected thereto, an angular phase difference detecting means for detecting an angular phase difference occurring between the first shaft and the second shaft when the torque is transmitted from the first shaft to the second shaft through the elastic member, and a data processing means for calculating the torque from the detected angular phase difference.

    摘要翻译: 公开了一种用于检测从驱动轴施加到负载的转矩的转矩检测器。 扭矩检测器包括一个插入在与驱动轴连接的第一轴和连接到负载以便连接到其上的第二轴之间的弹性构件;角度相位差检测装置,用于检测在第一 轴和第二轴,以及数据处理装置,用于根据检测到的角度相位差来计算扭矩,该数据处理装置用于从第一轴通过弹性构件传递扭矩。

    Electronic control system for carburetor
    10.
    发明授权
    Electronic control system for carburetor 失效
    化油器电子控制系统

    公开(公告)号:US4250855A

    公开(公告)日:1981-02-17

    申请号:US54432

    申请日:1979-07-03

    CPC分类号: F02D41/28 F02D41/02 F02M7/24

    摘要: In a carburetor for an internal combustion engine, a control valve is disposed with an air passage through the carburetor structure to control the flow quantity of air to be mixed with fuel from a float chamber and a pneumatic servo-motor is operatively connected with the control valve to control the opening degree of the valve. The pneumatic pressure applied to the servo-motor is electrically controlled to satisfy the following function in relation to the engine intake manifold vacuum and the engine speed.Pd=f(Pv, N)where the character Pd is the pneumatic pressure applied to the servo-motor, and the characters Pv and N respectively indicate the engine intake manifold vacuum and the engine speed.

    摘要翻译: 在用于内燃机的化油器中,控制阀设置有通过化油器结构的空气通道,以控制与浮子室与燃料混合的空气的流量,气动伺服电动机与控制器可操作地连接 阀门来控制阀门的开度。 施加到伺服电动机的气压被电控制以满足关于发动机进气歧管真空度和发动机转速的以下功能。 Pd = f(Pv,N)其中字符Pd是施加到伺服电动机的气压,并且字符Pv和N分别表示发动机进气歧管真空度和发动机转速。