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    • 5. 发明公开
    • AIR PRESSURE CIRCUIT FOR TIRE TESTING DEVICE
    • DRUCKLUFTKREISFÜRREIFENPRÜFVORRICHTUNG
    • EP2982958A4
    • 2016-12-07
    • EP14778822
    • 2014-03-05
    • KK KOBE SEIKO SHO (KOBE STEEL LTD )
    • OKADA TORU
    • G01M17/02B60C19/00B60S5/04G01M1/16G05D16/20
    • G01M17/02B60S5/046G05D16/2013
    • An air pressure circuit for a tire testing device is provided with: piping for conducting air, which is supplied from an air pressure supply source, to a tire; a controller for outputting a target command pressure; a proportional pressure control valve section; and a fixed flow rate air discharge section. The proportional pressure control valve section is provided in the piping, is configured so that, in order that pressure within the tire is the target command pressure, the proportional pressure control valve section supplies and discharges air having a flow rate which is proportional to the pressure difference between the pressure within the tire and the target command pressure, and has a dead zone (d) in which the supply and discharge of air are not performed within a predetermined range in which the pressure difference includes zero. The fixed flow rate air discharge section is provided between the proportional pressure control valve section and the tire and can discharge air within the piping to the outside at a fixed flow rate.
    • 一种用于轮胎测试装置的气压回路设置有:用于将从空气压力供给源供给的空气导入轮胎的管道; 用于输出目标指令压力的控制器; 比例压力控制阀部分; 和固定流量空气排出部。 比例压力控制阀部分设置在管道中,构造成使得为了使轮胎内的压力成为目标指令压力,比例压力控制阀部分提供和排出具有与压力成比例的流量的空气 轮胎内的压力与目标指令压力之间的差异,并且具有在压力差包括零的预定范围内不进行空气供给和排出的死区(d)。 固定流量空气排放部分设置在比例压力控制阀部分和轮胎之间,并可以以固定的流量将管道内的空气排出到外部。
    • 10. 发明公开
    • VOLUME CONTROL VALVE
    • VOLUMENSTEUERUNGSVENTIL
    • EP2857681A4
    • 2016-01-27
    • EP13793209
    • 2013-05-15
    • EAGLE IND CO LTD
    • IWA TOSHIAKIOGAWA YOSHIHIROFUKUDOME KOHEIMORIWAKI KENJI
    • F04B27/18F04B27/08F16K11/07F16K31/06G05D16/06G05D16/20
    • F16K31/0613F04B27/1804F16K11/0716G05D16/0619G05D16/2013Y10T137/86622
    • {Technical Problem} Provided is a capacity control valve that has no internal spring positioned in the bellows of the pressure-sensitive unit and also reduces the diameter of the valve element and that of the bellows to achieve size reduction and weight reduction. {Solution to Problem} The capacity control valve comprises: a pressure-sensitive body 50 positioned in the third valve chamber 38 to apply a bias force, by extending, in the direction of opening the first valve part 41, and also to contract as the surrounding pressure increases; an adapter 53 provided on the free end of the pressure-sensitive body in the extending/contracting directions and having a circular seating surface; a third valve part 43 that moves integrally with the valve element 40 in the third valve chamber 38 and has a circular engagement surface that opens/closes the intake-side passages 34 by engaging with and separating from the seating surface of the adapter; and a solenoid 60 that applies an electromagnetic drive force to the valve element 40 in the direction of closing the first valve part 41; wherein such capacity control valve is characterized in that: the pressure-sensitive body 50 is formed by a formed bellows made of material having greater yield stress than phosphor bronze; and the formed bellows has its diameter set smaller and its stroke longer than the diameter and stroke of a phosphor bronze bellows.
    • {技术问题}提供了一种容量控制阀,其没有内部弹簧定位在压敏单元的波纹管中,并且还减小了阀元件和波纹管的直径以实现尺寸减小和重量减轻。 {问题的解决方案}容量控制阀包括:位于第三阀室38中的压敏体50,以通过沿打开第一阀部41的方向延伸来施加偏压力,并且也作为 周围压力增加; 在延伸/收缩方向上设置在压敏体的自由端上并具有圆形安置面的适配器53; 第三阀部43,其与第三阀室38中的阀元件40一体地移动,并且具有通过与适配器的安装表面接合和分离而打开/关闭进气侧通道34的圆形接合表面; 以及螺线管60,其在关闭第一阀部41的方向上向阀元件40施加电磁驱动力; 其特征在于,所述压敏体50由具有比磷青铜更大的屈服应力的材料形成的波纹管形成; 并且形成的波纹管的直径设定得较小,其行程长于磷青铜波纹管的直径和行程。