Control arrangement for at least two hydraulic consumers fed by at least
one pump
    1.
    发明授权
    Control arrangement for at least two hydraulic consumers fed by at least one pump 失效
    由至少一个泵供给的至少两个液压消耗装置的控制装置

    公开(公告)号:US4856278A

    公开(公告)日:1989-08-15

    申请号:US138934

    申请日:1987-12-29

    IPC分类号: E02F9/22 F15B21/08

    摘要: According to the parent patent on inadequate power of the delivery pump the flow rate set at the directional control valves for the consumers is reduced in equal proportions in that electrical signals proportional to the flow rates are supplied to a summation stage and the sum voltage is compared in a comparison stage with a limit value corresponding to the maximum pump delivery flow. When the limit value is exceeded a control signal is generated with which the stroke of all the driven directional control valves can be jointly reduced. According to the application of addition the signal voltage supplied to the summation stages and corresponding to the respective flow rate can be obtained in a displacement pickup associated with each directional control valve or in a pressure pickup measuring the pilot pressure if the directional control valves are not controlled electrically but hydraulically. Furthermore, the pilot pressure can also be generated by a valve arrangement which switches in pulsating manner and to the regulator of which the control signal is supplied when the limit value is exceeded.

    摘要翻译: 根据关于输送泵功率不足的母版专利,消费者的方向控制阀上设定的流量相等比例减少,因为与流量成比例的电信号被提供给求和级并且和电压进行比较 在具有对应于最大泵输送流量的极限值的比较阶段中。 当超过极限值时,产生控制信号,通过该控制信号可以共同减少所有从动方向控制阀的行程。 根据添加的应用,可以在与每个方向控制阀相关联的位移拾取器中或在如果方向控制阀不是的情况下测量先导压力的压力拾取器中获得提供给求和级并且对应于相应流量的信号电压 控制电气但液压。 此外,先导压力也可以通过以脉动方式切换的阀装置和超过限制值时提供控制信号的调节器产生。

    Control arrangement for at least two hydraulic consumers fed by at least
one pump
    3.
    发明授权
    Control arrangement for at least two hydraulic consumers fed by at least one pump 失效
    由至少一个泵供给的至少两个液压消耗装置的控制装置

    公开(公告)号:US4850191A

    公开(公告)日:1989-07-25

    申请号:US138930

    申请日:1987-12-29

    摘要: A pump supplies a plurality of consumers each via a directional control valve with pressure balance. When the pump delivery is not adequate, manifesting itself in a dropping of the pump pressure, the pressure balance of the consumer with the highest load pressure is displaced out of the end position of its regulating position into a further control position in which a control pressure line is connected via a throttle point to a discharge so that by means of the throttle point a control pressure is generated which is used for equiproportional reduction of the supply flow to the consumers. This is done either by reducing the stroke of the directional control valves or by acting on the pressure balances in the closure direction.

    摘要翻译: 泵经由具有压力平衡的方向控制阀供给多个使用者。 当泵输送不足时,表现为在泵压力下降的情况下,具有最高负载压力的消费者的压力平衡从其调节位置的最终位置移出到进一步的控制位置,在该控制位置中控制压力 线路经由节气门点连接到排出口,从而通过节流点产生控制压力,该控制压力用于对消耗者的供应流的等比例减少。 这可以通过减少方向控制阀的行程或通过作用在关闭方向上的压力平衡来完成。

    Multiway valve with pressure balance
    4.
    发明授权
    Multiway valve with pressure balance 失效
    带有压力平衡的多通阀

    公开(公告)号:US4688600A

    公开(公告)日:1987-08-25

    申请号:US833365

    申请日:1986-02-25

    IPC分类号: F15B13/04 F15B13/02

    摘要: Into the housing of a multiway valve a pressure balance is incorporated, the end of the control piston subjected to the load report pressure facing a housing recess in which the load report pressure obtains while the opposite end of the control piston is subjected to the supply pressure and in the opposite sense to the supply pressure to the force of a spring. The valve has a simple structure.

    摘要翻译: 在多通阀的壳体中,并入有压力平衡,控制活塞的端部经受负载报告压力,面向负载报告压力获得的壳体凹部,同时控制活塞的相对端受到供给压力 而且与弹簧的力的供给压力相反。 阀门结构简单。

    Pipe support system
    5.
    发明授权
    Pipe support system 失效
    管道支撑系统

    公开(公告)号:US07758331B2

    公开(公告)日:2010-07-20

    申请号:US11392469

    申请日:2006-03-29

    IPC分类号: B29C47/90

    摘要: Supporting device for a plastic profile (2), in particular for a plastic pipe, in a calibration device which has a supporting region (1), in which it supports the plastic profile (2), wherein the contour (3) in the supporting region (1) is adapted to the contour of the plastic profile (2). According to the invention, provision is made in that the contour (3) in the supporting region (1), in particular the radius (4), can be changed.Furthermore, the invention relates to a process for changing a supporting region of a supporting device, in which the position of one or more series-arranged supporting devices with continuously changeable supporting region are changed as a function of a predetermined theoretical diameter such that the predetermined diameter is produced.

    摘要翻译: 在具有支撑区域(1)的校准装置中用于塑料型材(2)的塑料型材(2)的支撑装置,特别是用于塑料管的支撑装置,其中支撑塑料型材(2),其中支撑的轮廓(3) 区域(1)适于塑料轮廓(2)的轮廓。 根据本发明,提供支撑区域(1)中的轮廓(3),特别是半径(4)可以改变。 此外,本发明涉及一种用于改变支撑装置的支撑区域的方法,其中具有连续可变支撑区域的一个或多个串联布置的支撑装置的位置作为预定理论直径的函数而改变,使得预定 产生直径。

    Priority control for hydraulic consumers
    6.
    发明授权
    Priority control for hydraulic consumers 失效
    液压消费者优先控制

    公开(公告)号:US4665939A

    公开(公告)日:1987-05-19

    申请号:US831344

    申请日:1986-02-20

    IPC分类号: B62D5/07 F15B11/16 G05D11/03

    摘要: In a priority control device the supply flow to the lower-ranking consumer is set by a flow control valve (pressure balance) whose control chamber subjected to the control pressure of the lower-ranking consumer can be relieved of pressure via a proportional valve. The proportional valve is adjusted in dependence upon the load pressure of the priority consumer so that the flow of fluid to the lower-ranking consumer is throttled by the pressure balance when the pressure difference at the priority consumer drops on increased volume flow requirement. The priority control device thus consists of two simply constructed power valves and a small-dimensioned pilot valve.

    摘要翻译: 在优先控制装置中,通过流量控制阀(压力平衡)来设定向下级消费者的供给流量,其控制室受到下级消费者的控制压力经由比例阀释放压力。 根据优先消费者的负载压力来调节比例阀,使得当优先消费者的压力差在增加的体积流量需求时下降时,通过压力平衡来节省流向下级消费者的流体。 因此,优先控制装置由两个简单构造的动力阀和小尺寸先导阀组成。

    Pipe support system
    7.
    发明申请
    Pipe support system 失效
    管道支撑系统

    公开(公告)号:US20070194484A1

    公开(公告)日:2007-08-23

    申请号:US11392469

    申请日:2006-03-29

    IPC分类号: B29C47/90

    摘要: Supporting device for a plastic profile (2), in particular for a plastic pipe, in a calibration device which has a supporting region (1), in which it supports the plastic profile (2), wherein the contour (3) in the supporting region (1) is adapted to the contour of the plastic profile (2). According to the invention, provision is made in that the contour (3) in the supporting region (1), in particular the radius (4), can be changed. Furthermore, the invention relates to a process for changing a supporting region of a supporting device, in which the position of one or more series-arranged supporting devices with continuously changeable supporting region are changed as a function of a predetermined theoretical diameter such that the predetermined diameter is produced.

    摘要翻译: 在具有支撑区域(1)的校准装置中用于塑料型材(2)的塑料型材(2)的支撑装置,特别是用于塑料管的支撑装置,其中支撑塑料型材(2),其中支撑的轮廓(3) 区域(1)适于塑料轮廓(2)的轮廓。 根据本发明,提供支撑区域(1)中的轮廓(3),特别是半径(4)可以改变。 此外,本发明涉及一种用于改变支撑装置的支撑区域的方法,其中具有连续可变支撑区域的一个或多个串联布置的支撑装置的位置作为预定理论直径的函数而改变,使得预定 产生直径。

    Method of manufacturing of lacquer-coated extrusion products
    8.
    发明授权
    Method of manufacturing of lacquer-coated extrusion products 失效
    漆涂层挤出产品的制造方法

    公开(公告)号:US5738814A

    公开(公告)日:1998-04-14

    申请号:US637792

    申请日:1996-07-10

    IPC分类号: B29C47/02 B29C47/06 B29C47/20

    摘要: A method of manufacturing of continuous, at least two-layer products having an upper layer formed of a lacquer material, the method having the steps of providing an apparatus including a co-extrusion tool having first and second conduits, respectively, with the first and second inlets, with the second conduit circumscribing the first conduit, and a merging section in which flows exiting the first and second conduits merge, and first and second extruders connected with the first and second inlets, respectively, and simultaneously injecting melts of base and lacquer materials with the first and second extruders, respectively, through the first and second conduits, respectively, so that on at least two-layer product exiting the merging section of the co-extrusion tool and having an upper lacquer layer, is produced in a single step.

    摘要翻译: PCT No.PCT / EP94 / 03559 Sec。 371日期:1996年7月10日 102(e)日期1996年7月10日PCT 1994年10月28日PCT公布。 WO95 / 12483 PCT出版物 日期1995年5月11日一种制造具有由漆材料形成的上层的连续的至少两层产品的方法,该方法具有以下步骤:提供包括分别具有第一和第二导管的共挤出工具的设备, 其中第一和第二入口与第二导管环绕第一导管,以及合流部分,其中离开第一和第二导管的流合并,以及分别与第一和第二入口连接的第一和第二挤出机,同时喷射熔体 分别通过第一和第二导管分别具有第一和第二挤出机的基底和漆材料,使得在离开共挤出工具的合并部分并具有上漆层的至少两层产品上是 单步生产。

    Control arrangement for at least two hydraulic loads fed by at least one
pump
    9.
    发明授权
    Control arrangement for at least two hydraulic loads fed by at least one pump 失效
    由至少一个泵供给的至少两个液压载荷的控制装置

    公开(公告)号:US4759183A

    公开(公告)日:1988-07-26

    申请号:US944432

    申请日:1986-12-19

    摘要: A pump supplies via in each case a directional valve with associated pressure balance fluid or pressure medium to a plurality of loads. When the pump power is not sufficient a proportional quantity reduction is achieved at all loads in that the control voltages of the control members for electrical actuation of the directional valves are supplied to a summation stage and the sum voltage is compared in a comparison stage with a limit value corresponding to the maximum pump displacement, whereupon when the limit value is exceeded a control signal is generated with which the stroke of the driven directional valves is reduced.

    摘要翻译: 泵在每种情况下都提供具有相关联的压力平衡流体或压力介质的方向阀到多个负载。 当泵功率不足时,在所有负载下实现比例量减小,因为用于方向阀的电致动的控制构件的控制电压被提供到求和级,并且在比较级中将和电压与 极限值对应于最大泵排量,因此超过极限值时,生成控制信号,从而使驱动换向阀的行程减小。

    Hydraulic priority control means for at least two servo motors
    10.
    发明授权
    Hydraulic priority control means for at least two servo motors 失效
    至少两台伺服电机的液压优先控制装置

    公开(公告)号:US4669363A

    公开(公告)日:1987-06-02

    申请号:US738837

    申请日:1985-05-29

    IPC分类号: F15B11/16

    摘要: The invention relates to a priority control means with which the actuation sequence of two servo motors can be automated. For this purpose a priority control valve is provided which on actuation of the higher priority control valve immediately blocks the lower priority servo motor. If the priority servo motor has reached a certain position the associated control valve is automatically switched back so that the actuation of the lower priority servo motor then follows automatically. Via a changeover valve the working pressure of the respective servo motor is furthermore automatically switched to the pump control of an adjustment pump or, with a constant pump, to the load-pressure-dependent pressure control so that a load-dependent regulation takes place.

    摘要翻译: 本发明涉及一种优先控制装置,其中两个伺服电动机的致动顺序可以自动化。 为此,提供了优先控制阀,其在较高优先级控制阀的致动下立即阻止较低优先级的伺服电动机。 如果优先伺服电机达到某一位置,则自动切换相关的控制阀,以便自动跟随优先伺服电机的动作。 通过转换阀,相应的伺服电动机的工作压力进一步自动切换到调节泵的泵控制,或者使用恒定的泵进行负载压力相关的压力控制,从而进行负载相关的调节。