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    • 122. 发明授权
    • Process for the production of polypropylene films
    • 生产聚丙烯薄膜的方法
    • US5716570A
    • 1998-02-10
    • US641637
    • 1996-05-02
    • Herbert PeifferGunter SchloglKarl-Heinz KochemDetlef BuschRobert Schmidt
    • Herbert PeifferGunter SchloglKarl-Heinz KochemDetlef BuschRobert Schmidt
    • B29C47/06B29C47/04B29C47/14B29C55/12B29C69/00B29K23/00B29L7/00B29L9/00B29C47/16B29C55/14
    • B29C47/062B29C47/0019B29C47/0021B29C47/003
    • A process for the production of biaxially oriented polypropylene films which include at least one layer is described, in which a propylene polymer B is heated in an extruder and the melt of the propylene polymer B is extruded through a flat sheet die and the melt emerging from the flat sheet die is taken off on one or more rolls and is solidified to give a prefilm and this prefilm is stretched in the longitudinal and transverse direction. A propylene polymer or a propylene polymer mixture A is heated and melted in a second extruder and the melt of the propylene polymer or of the propylene polymer mixture A is fed to the two sides of the propylene polymer melt B so that both melts are extruded together and simultaneously through the flat sheet die. The propylene polymer or the propylene polymer mixture A forms the edge region of the film during the production process, and the edge regions including the propylene polymer or the propylene polymer mixture A are cut off after the longitudinal and transverse stretching of the film.
    • 描述了一种生产包含至少一层的双轴取向聚丙烯薄膜的方法,其中丙烯聚合物B在挤出机中加热,丙烯聚合物B的熔体通过平板模头挤出,熔体从 将平片模具在一个或多个辊上取下并固化以得到预制件,并且该预制件在纵向和横向上被拉伸。 将丙烯聚合物或丙烯聚合物混合物A在第二挤出机中加热和熔融,并将丙烯聚合物或丙烯聚合物混合物A的熔体进料到丙烯聚合物熔体B的两侧,使得两个熔体被挤出在一起 并同时通过平板模具。 丙烯聚合物或丙烯聚合物混合物A在制造过程中形成膜的边缘区域,并且包括丙烯聚合物或丙烯聚合物混合物A的边缘区域在膜的纵向和横向拉伸之后被切断。
    • 123. 发明授权
    • Circuit configuration for a brake system having an anti-lock control
    • 具有防抱死控制的制动系统的电路配置
    • US5265947A
    • 1993-11-30
    • US730936
    • 1991-07-30
    • Hans WupperHelmut FennelGunther BuschmannIvica BatisticNorbert EhmerRobert Schmidt
    • Hans WupperHelmut FennelGunther BuschmannIvica BatisticNorbert EhmerRobert Schmidt
    • B60T8/58B60T8/174B60T8/1761B60T8/64B60T8/00
    • B60T8/17616Y10S303/04
    • The circuit configuration for a brake system having an anti-locking control generates pulse-type brake pressure control signals. For pressure rebuild-up after a pressure decrease, brake pressure is applied first at a steep and subsequently at a flatter gradient, this being achieved by a variable pulse (P1) and by short fixed pulses (P2) succeeding one another at a large interval. Circuits are provided rendering dependent the pulse and pulse break times (T.sub.1, T.sub.2, T.sub.k) determining the pressure build-upon the duration of the pressure build-up (T.sub.1) during the steep-rise build-up in the preceding cycle,on the duration (T.sub.1 +nT.sub.2) of the entire pressure build-up in the preceding cycle, andon the duration (T.sub.o) of the preceding pressure decrease, with the pulse times being so dimensionedthat, at a constant coefficient of friction and at a constant static pressure, the locking limit of the wheel is rereached after a predetermined period of time or after a predetermined pulse number. The duration of the variable and of the fixed pressure build-up pulses is computed from the pressure build-up of the preceding pressure or determined from a stored Table.
    • PCT No.PCT / EP90 / 00046 Sec。 371日期1991年7月30日 102(e)1991年7月30日PCT PCT 1990年1月10日PCT公布。 WO90 / 08681 PCT出版物 1990年8月9日。具有防抱死控制的制动系统的电路结构产生脉冲式制动压力控制信号。 对于压力降低后的压力重建,制动压力首先以陡峭的方式施加,然后以较平坦的梯度施加,这是通过可变的脉冲(P1)和短的固定脉冲(P2)以大的间隔彼此相继地实现的 。 电路提供依赖于脉冲和脉冲中断时间(T1,T2,Tk),确定在前一周期陡峭崛起期间压力累积(T1)持续时间内的压力增加, 在前一循环中的整个压力累积的持续时间(T1 + nT2)以及先前压力的持续时间(To)减小,脉冲时间被确定为在恒定的摩擦系数和 恒定的静压力,在预定的时间段之后或者在预定的脉冲数之后重新开始车轮的锁定极限。 变量和固定压力累积脉冲的持续时间是根据先前压力的压力积分计算的,或者由存储的表确定。
    • 129. 发明授权
    • Electronic control device for a braking system, suitable for a distance control system
    • 用于制动系统的电子控制装置,适用于距离控制系统
    • US09205819B2
    • 2015-12-08
    • US13575864
    • 2010-01-28
    • Robert SchmidtJoachim BohnMichael Hitzel
    • Robert SchmidtJoachim BohnMichael Hitzel
    • B60T13/18B60T8/36B60T8/40B60T8/48B60T13/74B60T13/20
    • B60T8/36B60T8/4059B60T8/4872B60T13/18B60T13/20
    • An electronic control device for a pressure controller, by way of which solenoid valves for pressure control are actuated with current via an actuating electronic system, and having a pump assembly is actuated as a function of a pressure request, which generates a volumetric flow with a periodically fluctuating amplitude. The wheel brake circuit isolating valve, during an active pressure build-up, discharging part of the delivery volume into a reservoir volume, at least in the case of a control operation which performs an intervention for driving stability which is not critical to safety, if the pressure which is built up by the assembly is higher than the pressure which is to be set, the electric coil current for the actuation of the isolating valve is modulated and the periodic actuation being interrupted at least when the control device has to carry out an intervention for driving stability which is critical to safety.
    • 一种用于压力控制器的电子控制装置,通过该电子控制装置,压力控制的电磁阀通过致动电子系统通过电流致动,并且具有泵组件作为压力请求的功能被致动,该压力请求产生具有 周期性波动幅度。 车轮制动回路隔离阀在主动压力积聚期间,至少在控制操作的情况下将部分输送体积排放到储存器容积中,该控制操作执行对于安全性不重要的驱动稳定性的干预,如果 由组件构成的压力高于要设定的压力,用于驱动隔离阀的电线圈电流被调制,并且至少当控制装置必须执行时,周期性致动被中断 驾驶稳定性的干预对安全至关重要。