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    • 52. 发明申请
    • REINFORCED STYRENE COPOLYMERS
    • 强化苯乙烯共聚物
    • US20120059109A1
    • 2012-03-08
    • US13319754
    • 2010-05-06
    • Martin WeberMarko BlinzlerRoelef Van Der Meer
    • Martin WeberMarko BlinzlerRoelef Van Der Meer
    • C08L33/20C08K7/14
    • C08L25/12C08L25/14C08L69/00C08L101/005C08L2666/02
    • The thermoplastic molding composition comprises: a) as component A, from 0 to 97.9% by weight of one or more (methyl)styrene-acrylonitrile copolymers which do not have any units derived from maleic anhydride, and which have an intrinsic viscosity smaller than 85 ml/g, b) as component B, from 1 to 98.9% by weight of one or more (methyl)styrene-acrylonitrile copolymers which have, based on the entire component B, from 0.5 to 5% by weight of units derived from maleic anhydride, c) as component C, from 1 to 75% by weight of glass fibers, d) from 0.1 to 20% by weight of one or more flow promoters, selected from d1) as component D1, at least one highly branched or hyperbranched polycarbonate with an OH number of from 1 to 600 mg KOH/g of polycarbonate (to DIN 53240, part 2), d2) as component D2, at least one highly branched or hyperbranched polyester of AxBy type, where x is at least 1.1 and y is at least 2.1, d3) as component D3, alkyl acrylate oligomers with a weight-average molar mass in the range from 1200 to 4000 g/mol, e) as component E, from 0 to 40% by weight of further fillers, or rubbers, and/or further additives, where the total amount of components A to D and, if present, E is 100% by weight.
    • 热塑性模塑组合物包含:a)作为组分A,0至97.9重量%的一种或多种(甲基)苯乙烯 - 丙烯腈共聚物,其不具有源自马来酸酐的任何单元,并且其特性粘度小于85 ml / g,b)作为组分B,1至98.9重量%的一种或多种(甲基)苯乙烯 - 丙烯腈共聚物,其基于整个组分B为0.5至5重量%的衍生自马来酸的单元 酸酐,c)作为组分C,1至75重量%的玻璃纤维,d)0.1至20重量%的一种或多种流动促进剂,选自d1)作为组分D1,至少一种高度支化或超支化 OH值为1至600mg KOH / g聚碳酸酯的聚碳酸酯(根据DIN 53240,第2部分),d2)作为组分D2,至少一种高度支化或超支化的AxBy型聚酯,其中x至少为1.1, y至少为2.1,d3)作为组分D3,具有重均摩尔质量的丙烯酸烷基酯低聚物 范围从1200至4000g / mol,e)作为组分E,0至40重量%的另外的填料或橡胶,和/或其它添加剂,其中组分A至D的总量,如果存在, E为100重量%。
    • 53. 发明授权
    • Blow filter device
    • 吹风过滤装置
    • US08118025B2
    • 2012-02-21
    • US10592424
    • 2005-01-27
    • Frank BeckerDetlef KielowMartin WeberMichael Schulz
    • Frank BeckerDetlef KielowMartin WeberMichael Schulz
    • A62B7/10
    • A62B18/006A62B17/04
    • A blow filter device for breathing masks and hoods, comprising a blower which is driven by a motor and at least one filter which is arranged upstream from the blower, in addition to an electronic control system for adjusting a predefined airflow volume. The invention is characterized in that the motor is an electronically commutated direct current motor (6) which is controlled with the aid of a pulse width modulation ratio as a control variable, wherein a calibrating curve is created and stored in the memory (14) of the electronic control system and is based on a plurality of different filter resistances and a respectively corresponding pulse-width modulation ratio (PWM) and the respective motor speed (n) for a specific volume of air. The direct current motor can be controlled in the hood mode according to the speed (n) measured in relation to the respective filter resistance after activation with the aid of the associated pulse-width modulation ratio read from the calibrating curve and can be controlled in the mask mode independently of the respective filter resistance with a respective specific constant pulse-width modulation ratio (PWM) for the associated mask type, wherein the electronic control system (5) is associated with an identifying means (19,20) which is used to recognize the associated head part and to adjust the operational mode concerned.
    • 一种用于呼吸面罩和罩的吹风过滤器装置,包括由电动机驱动的鼓风机和布置在鼓风机上游的至少一个过滤器,以及用于调节预定气流量的电子控制系统。 本发明的特征在于,电动机是电子换向直流电动机(6),其以脉宽调制比作为控制变量进行控制,其中校准曲线被创建并存储在存储器(14)的 电子控制系统并且基于针对特定体积的空气的多个不同的滤波电阻和分别对应的脉宽调制比(PWM)和相应的电动机速度(n)。 根据从校准曲线读取的相关脉冲宽度调制比,根据相对于激活后的相应滤波器电阻测量的速度(n),可以在发动机罩模式下控制直流电动机,并且可以在 掩模模式独立于相应的滤波器电阻和相应掩模类型的相应的特定恒定脉冲宽度调制比(PWM),其中电子控制系统(5)与识别装置(19,20)相关联,识别装置 识别相关的头部并调整相关的操作模式。