知搜-全球专利检索

  1. 登录
  2. 注册

搜索结果

6 条记录 (耗时 0.03 秒)

    Proportional flow valve
    2.
    发明授权
    Proportional flow valve 失效
    比例流量阀

    公开(公告)号：US4921208A

    公开(公告)日：1990-05-01

    申请号：US404945

    申请日：1989-09-08

    申请人： Drew P. LaMarca

    发明人： Drew P. LaMarca

    IPC分类号： F16K31/42 ,  F16K31/06

    CPC分类号： F16K31/0693

    摘要： A proportional flow valve wherein inlet fluid pressure urges the valve member toward the valve set. A pressure member, which may be a rolling diaphragm, has an effective area about equal to that of the valve orifice and is also subjected to inlet fluid pressure, when the valve is open, to counterbalance the force of the inlet fluid pressure on the valve member. A spring constantly urges the valve member toward the valve seat, to close the valve, and a solenoid actuator, when energized, moves the valve member way from the valve seat against the force of the spring. The distance which the valve member moves from the seat, and hence the rate of flow through the valve, is proportional to the amount of current applied to the solenoid actuator. A pilot valve controls the flow of inlet fluid pressure to the pressure member.

    摘要翻译： 比例流量阀，其中入口流体压力将阀构件推向阀组。 可以是滚动隔膜的压力构件具有大约等于阀孔的有效面积，并且当阀打开时还受到入口流体压力，以平衡阀上的入口流体压力的力 会员。 弹簧不断地将阀构件推向阀座以关闭阀，并且当通电时，螺线管致动器克服弹簧的力使阀构件从阀座移动。 阀构件从座椅移动的距离以及因此通过阀门的流速与施加到螺线管致动器的电流量成比例。 先导阀控制入口流体对压力构件的压力。

    Proportional flow valve
    4.
    发明授权
    Proportional flow valve 失效
    比例流量阀

    公开(公告)号：US5294089A

    公开(公告)日：1994-03-15

    申请号：US923818

    申请日：1992-08-03

    申请人： Drew P. LaMarca

    发明人： Drew P. LaMarca

    IPC分类号： F16K31/42 ,  F16K31/122

    CPC分类号： F16K31/42

    摘要： A proportional flow valve wherein inlet fluid pressure urges the valve member toward the valve seat. A pressure member, which may be a piston, has an effective area substantially larger than that of the valve member, and is also selectively subjected to inlet fluid pressure to urge the valve member away from the valve seat, so as to open the valve and keep it open. A solenoid actuator determines the position of a pilot valve member which controls the flow of inlet fluid to the pressure member, and hence controls the location of the pressure member and the spacing of the valve member from the valve seat. The position of the pilot valve member, and hence the spacing of the valve member from the valve seat, is proportional to the amount of electric current applied to the actuator.

    摘要翻译： 比例流量阀，其中入口流体压力将阀构件推向阀座。 可以是活塞的压力构件具有基本上大于阀构件的有效面积，并且还选择性地经受入口流体压力以将阀构件推离阀座，以便打开阀和 保持开放 螺线管致动器确定控制入口流体流入压力构件的先导阀构件的位置，因此控制压力构件的位置和阀构件与阀座的间隔。 先导阀构件的位置以及阀构件与阀座的间隔与施加到致动器的电流量成比例。

    Joint fitting
    6.
    发明授权
    Joint fitting 失效
    接头配件

    公开(公告)号：US06447028B1

    公开(公告)日：2002-09-10

    申请号：US09641360

    申请日：2000-08-18

    申请人： Drew P. LaMarca ,  Gennaro A. Barile

    发明人： Drew P. LaMarca ,  Gennaro A. Barile

    IPC分类号： F16L2100

    CPC分类号： F16L25/08 ,  F16L37/088 ,  F16L37/1205 ,  H02G3/0616 ,  H02G9/06 ,  Y10S285/918

    摘要： A fitting for connecting two components is described. The fitting may be explosion proof for use in hazardous environments. The fitting may swivel allowing fast and easy connection to fixed components, thus minimizing the time required for installation and periodic maintenance, while maintaining the integrity of the explosion proof fitting. In this way, components—such as electrical conduits containing conductors or wires—can be installed and maintained without the use of damming material. Also described is a method of installing an explosion proof fitting for use in hazardous environments.

    摘要翻译： 描述了用于连接两个部件的配件。 该配件可能是防爆的，用于危险环境。 配件可以旋转，允许快速和容易地连接到固定部件，从而最小化安装和定期维护所需的时间，同时保持防爆配件的完整性。 以这种方式，可以在不使用阻塞材料的情况下安装和维护诸如包含导体或电线的电导管的部件。 还描述了安装用于危险环境的防爆配件的方法。