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    • 4. 发明授权
    • Self-aligning-axial shafts-magnetic coupling
    • 自对准轴 - 磁耦合
    • US4232535A
    • 1980-11-11
    • US17505
    • 1979-03-05
    • Walter C. Caldwell
    • Walter C. Caldwell
    • H02K49/10F16D3/56F16D7/00
    • H02K49/106Y10T464/30
    • In order to provide a shaft coupling between two aligned shafts in which the absolute minimum of torque transferred across the coupling due to misalignment is desired, and to further provide for the capability of mutual axial movement between the two shafts, a unique magnetic coupling is employed. The input shaft terminates in a yoke structure with permanent bar magnets mounted on the yoke facing surfaces. Like poles of the two bar magnets are disposed facing one another. The output shaft terminates in a third bar magnet which is introduced into the space between the other two bar magnets oriented with its north and south poles disposed, respectively, between the facing north poles and the facing south poles of the magnet pair on the yoke. There is thus mutual magnetic repulsion between the centrally disposed bar magnet on the output shaft and each of the bar magnets on the input shaft. Hence, when the input shaft is turned, the output shaft follows trailing slightly in phase by an angle which is a function of the transmitted torque and the strength of the magnets. This coupling, in addition to the characteristics noted above, also has the ability to act as a filter of high frequency angular motion between the two shafts.
    • 为了在两个对准的轴之间提供轴联接,其中期望由于未对准而传递到联轴器上的绝对最小扭矩,并且进一步提供在两个轴之间的相互轴向运动的能力,使用独特的磁耦合 。 输入轴终止于磁轭结构,永磁棒磁铁安装在磁轭相对表面上。 类似于两个棒状磁体的磁极彼此相对设置。 输出轴终止于第三条磁铁,其被引入位于其北极和南极之间的另外两个磁棒之间的空间中,分别设置在磁极对的相对的北极和磁体对的面对的南极之间。 因此,输出轴上的中央设置的棒状磁体与输入轴上的每个磁棒之间存在相互的磁力排斥。 因此,当输入轴转动时,输出轴跟随着相对的一点角度,该角度是传递转矩和磁体强度的函数。 除了上述特征之外,该联接还具有作为两个轴之间的高频角运动的过滤器的能力。
    • 6. 发明授权
    • Means, employing a fluidic oscillator, for determining the density of gas
    • 意味着采用流体振荡器来确定气体的密度
    • US4170894A
    • 1979-10-16
    • US901536
    • 1978-05-01
    • Joseph E. Zupanick
    • Joseph E. Zupanick
    • G01N9/00
    • G01N9/002G01N2009/004Y10T137/2065
    • In order to determine the density of a test gas, the test gas is employed as the working fluid through an astable fluidic oscillator. Air, at the same temperature and pressure, is passed through the same or a like fluidic oscillator to obtain a second pulse repetition frequency reading. The density of the test gas is the ratio of the two pulse repetition frequencies. Preferably, for a given fluidic oscillator, graphs and/or tables are prepared giving the pulse repetition frequency of air at different temperatures and pressures in order that subsequent measurement of the pulse repetition frequency using a test gas will permit direct determination of the specific gravity of the test gas from a graph or table.
    • 为了确定试验气体的密度,通过不稳定的流体振荡器将测试气体用作工作流体。 在相同温度和压力下的空气通过相同或类似的流体振荡器以获得第二脉冲重复频率读数。 测试气体的密度是两个脉冲重复频率之比。 优选地,对于给定的流体振荡器,制备给出不同温度和压力下的空气的脉冲重复频率的曲线图和/或表格,以便使用测试气体随后测量脉冲重复频率将允许直接确定比重 来自图表或表格的测试气体。
    • 8. 发明授权
    • Interlock system for a gasoline dispensing nozzle
    • 用于汽油分配喷嘴的联锁系统
    • US4121635A
    • 1978-10-24
    • US805776
    • 1977-06-13
    • William B. Hansel
    • William B. Hansel
    • B67D7/54B65B3/18B65B57/14
    • B67D7/54B67D2007/545
    • A gasoline dispensing nozzle having a system for receiving vapors displaced from a motor vehicle gasoline tank being filled, and an interlock system for both preventing the dispensing of gasoline and closing the vapor receiving system until the discharge spout is properly inserted into the motor vehicle fillpipe. The interlock system includes a first valve mounted in the vapor receiving system outside the discharge spout. This first valve is opened when the nozzle is properly inserted into the fillpipe, and is interconnected with the automatic shut-off system of the nozzle so that dispensing of gasoline is permitted only when the nozzle is properly inserted into the fillpipe. The interlock system also includes a second valve which closes the vapor receiving system, thereby preventing vapors from escaping, until the nozzle is properly inserted in the fillpipe.
    • 一种汽油分配喷嘴,其具有用于接收从被填充的机动车辆汽油箱排出的蒸气的系统,以及用于防止汽油的分配和关闭蒸气接收系统的互锁系统,直到排出口适当地插入到机动车辆填充管中。 互锁系统包括安装在排气口外部的蒸气接收系统中的第一阀。 当喷嘴适当地插入填充管中时,第一阀打开,并且与喷嘴的自动关闭系统互连,使得只有当喷嘴适当地插入到填充管中时才允许汽油的分配。 互锁系统还包括关闭蒸汽接收系统的第二阀,从而防止蒸汽逸出,直到喷嘴正确地插入到填充管中。