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    • 7. 发明授权
    • Methof of, and apparatus for, producing a friction spun yarn
    • 用于生产摩擦纺纱的Methof和设备
    • US4854118A
    • 1989-08-08
    • US167026
    • 1988-03-11
    • Emil BrinerUrs KellerHerbert Stalder
    • Emil BrinerUrs KellerHerbert Stalder
    • D01H4/16D01H4/06D01H4/38D02G3/04D02G3/26D02G3/36
    • D02G3/36D01H4/06
    • The method of, and apparatus for, producing a yarn uses a friction spinning device comprising a perforated first friction spinning drum and a second friction spinning drum which can also be perforated. Two fiber feed passages project to the first friction spinning drum and are each supplied by opening assemblies which individualize or individually separate the fibers. The fibers are transported toward the first friction spinning drum using a feed air stream in the fiber feed passages. This feed air stream is produced by the first friction spinning drum which is maintained under sub-pressure. Advantageously, the fiber double-feed to the friction spinning drum permits supplying two different fiber types to the same yarn end. Also, different inclinations of the fibers at the friction spinning drum can be obtained by different inclinations of the fiber feed passages in order to produce yarns of different character. The first and second friction spinning drums can be each divided into cooperating drum sections to define a first pair of coacting drum sections and spaced therefrom a second pair of coacting drum sections. The respective pairs of drum sections can be operated at different rotational speeds and can be subjected to different vacuum conditions.
    • 用于生产纱线的方法和设备使用包括穿孔的第一摩擦纺丝鼓和也可以被穿孔的第二摩擦纺丝筒的摩擦纺丝装置。 两个纤维馈送通道突出到第一摩擦纺丝筒,并且每个通过个体化或单独分离纤维的开口组件提供。 使用纤维通道中的进料空气流将纤维运送到第一摩擦纺丝筒。 该进料气流由保持在亚压力下的第一摩擦纺丝筒产生。 有利的是,将纤维双重进给到摩擦纺丝鼓允许向相同的纱线端提供两种不同的纤维类型。 此外,通过纤维供给通道的不同倾斜度可以获得摩擦纺丝鼓上的纤维的不同倾斜度,以便生产不同性质的纱线。 第一和第二摩擦旋转鼓可以分别分成协作滚筒部分以限定第一对共同作用的滚筒部分,并且与第二对共同作用的滚筒部分间隔开。 相应的滚筒部分对可以在不同的转速下操作并且可以经受不同的真空条件。
    • 9. 发明申请
    • FLOW LIMITER
    • 流量限制
    • US20120180875A1
    • 2012-07-19
    • US13378806
    • 2010-07-14
    • Urs KellerJorg Kuhne
    • Urs KellerJorg Kuhne
    • G05D7/01
    • G05D7/012Y10T137/0379
    • A flow limiter for limiting a volumetric flow through a liquid line, comprising a carrier having a passage and a flat spring attached to the carrier. The flat spring has a spring tongue and the passage has an opening, wherein the spring tongue is above the opening such that the spring tongue increasingly lies against the carrier as differential pressure rises, thereby reducing the opening and continuously reducing the passage within a defined pressure range. A body is arranged upstream of the spring tongue, or the spring tongue is oriented in the flow direction so that the spring tongue offers a direct contact surface to a substantially reduced flow cross-section. Thus the spring tongue is deflected, or rested against the carrier, to a lesser extent at low differential pressure values so that at a low differential pressure, a constant volumetric flow rate and an expanded operating range having a constant volumetric flow rate is achieved.
    • 用于限制通过液体管线的体积流量的流量限制器,包括具有连接到载体的通道和平板弹簧的载体。 平板弹簧具有弹簧舌片,并且通道具有开口,其中弹簧舌片在开口上方,使得弹簧舌片随着压力差升高而越靠近托架,由此减小开口并且在限定的压力内连续地减小通道 范围。 弹簧舌片的上游设置有一个主体,或者弹簧舌片沿流动方向定向,使得弹簧舌片提供直接的接触表面,从而实质上减小了流动横截面。 因此,弹簧舌在低压差值下偏转或靠在载体上较小的程度,使得在低压差下,实现恒定体积流量和具有恒定体积流量的膨胀操作范围。
    • 10. 发明申请
    • METHOD FOR THE HYDRAULIC COMPENSATION AND CONTROL OF A HEATING OR COOLING SYSTEM AND COMPENSATION AND CONTROL VALVE THEREFOR
    • 加热或冷却系统及其补偿和控制阀的液压补偿和控制方法
    • US20110114304A1
    • 2011-05-19
    • US13003211
    • 2009-07-21
    • Urs Keller
    • Urs Keller
    • F28F27/00
    • F24D19/1015F24D2220/0264
    • The invention relates to a method for the hydraulic compensation and control of a heating and cooling system. The system comprises at least one pump and a plurality of lines respectively comprising a compensation and control valve and a load. The method for compensation and control consists of the following steps: a control value for each of the compensation and control valves is determined for which the predetermined discharge values are reached in each line; a control range of each compensation and control valve is defined as the difference between the determined control value and the position when the compensation and control valve is closed; and the signal control range of one each of the compensation and control valves is represented in the newly defined control range.
    • 本发明涉及一种用于加热和冷却系统的液压补偿和控制的方法。 该系统包括分别包括补偿和控制阀和负载的至少一个泵和多个管线。 补偿和控制的方法包括以下步骤:确定每个补偿和控制阀的控制值,其中每条线达到预定的排放值; 每个补偿和控制阀的控制范围被定义为当确定的控制值和补偿和控制阀关闭时的位置之间的差; 并且在新定义的控制范围内表示补偿和控制阀中的每一个的信号控制范围。