Brushless d-c motor system
    101.
    发明授权
    Brushless d-c motor system 失效
    无刷d-c电机系统

    公开(公告)号:US4099104A

    公开(公告)日:1978-07-04

    申请号:US778674

    申请日:1977-03-17

    申请人: Rolf Muller

    发明人: Rolf Muller

    IPC分类号: H02K29/08 H02K29/00

    CPC分类号: H02K29/08

    摘要: To improve low noise operation of a brushless permanent magnet d-c motor, and reduce voltage peaks and stresses on switching transistors connected in series with stator windings thereof, a galvanomagnetic sensing element, such as a Hall generator, is located on the stator positioned in the gap between adjacent poles and subjected to stray leakage flux from the stator poles in such a way -- for example by means of soft-iron flux guide elements -- that the leakage field from the stator pole which is oppositely poled -- at any instant of operation -- to the rotor pole which controls operation of the galvanomagnetic sensing element provides a counter-acting flux to the galvanomagnetic sensing element, thus flattening the turn-off flanks of control pulses controlling current flow through the stator winding.

    摘要翻译: 为了改善无刷永磁直流电动机的低噪声运行,并且降低与其定子绕组串联的开关晶体管上的电压峰值和应力,诸如霍尔发生器的电磁感测元件位于定位在间隙中的定子上 在相邻极之间并且以这样的方式(例如通过软铁助焊剂引导元件)受到来自定子极的杂散漏磁通,来自定子极的相反极化的泄漏场 - 在任何操作时刻 - 到 控制电磁感测元件操作的转子极向电磁感应元件提供反作用通量,从而使控制脉冲的截止侧面平坦化,从而控制通过定子绕组的电流。

    Brushless D-C motor
    102.
    发明授权
    Brushless D-C motor 失效
    无刷D-C电机

    公开(公告)号:US4007390A

    公开(公告)日:1977-02-08

    申请号:US492146

    申请日:1974-07-26

    摘要: In the case of a collector-less D-C motor designed as a disc motor with an external rotor, the permanently magnetized external rotor is supported in an axially space-saving manner in a bearing tube attached to the stator bedplate. For the purpose of facilitating centering of the stator bedplate in the air gap of the rotor during manufacture, a flange plate inserted onto the bearing tube serves for anchoring purposes, and the stator bedplate is secured to this flange plate.

    摘要翻译: 在设计为具有外部转子的盘式电动机的无集电极D-C电动机的情况下,永久磁化的外部转子以轴向节省空间的方式支撑在附接到定子底板的轴承管中。 为了在制造过程中促进定子底板在转子的气隙中的对中,插入轴承管的凸缘板用于锚固目的,并且定子底板固定到该凸缘板上。

    Hydroxyquinolyl- and quinazolonylazoacetoacetylbenzimidazolone pigments
    103.
    发明授权
    Hydroxyquinolyl- and quinazolonylazoacetoacetylbenzimidazolone pigments 失效
    羟基喹啉基和喹唑啉酮基乙酰乙酰基苯并咪唑酮颜料

    公开(公告)号:US3963694A

    公开(公告)日:1976-06-15

    申请号:US498830

    申请日:1974-08-19

    摘要: Azo pigments of the formula ##EQU1## wherein A is a condensed ring system consisting of a benzene ring and a 5- or 6-membered hetero ring having nitrogen in the cyclus and a keto group, R is alkyl, cycloalkyl or aryl and Y is hydrogen, halogen, alkyl, cycloalkyl, alkoxy, aryl or nitro, and the azo group is not bonded directly to the hetero ring of the diazo component, are prepared. These pigments are useful for coloring organic material of high molecular weight, such as cellulose ethers and esters, and polyesters. Th pigments have excellent fastness to light and migration.

    摘要翻译: 式CO-CH3 | AN = N-CH-CO-NH的偶氮颜料,其中A是由环和在环境中具有氮的酮或五元组的5-环或六元杂环组成的稠环体系, R是烷基,环烷基或芳基,Y是氢,卤素,烷基,环烷基,烷氧基,芳基或硝基,并且偶氮基团不直接键合到重氮组分的杂环上。 这些颜料可用于着色高分子量的有机材料,如纤维素醚和酯,以及聚酯。 Th颜料具有优异的光照和迁移牢度。

    Low viscosity polymer mixture
    104.
    发明授权
    Low viscosity polymer mixture 有权
    低粘度聚合物混合物

    公开(公告)号:US09487647B2

    公开(公告)日:2016-11-08

    申请号:US12532586

    申请日:2008-03-20

    摘要: The present invention relates to a polymer mixture with a low viscosity, allowing processes for the processing of plastics materials to be accelerated while the final properties of the end products remain the same or are improved. The polymer mixture is mixed with the plastics materials in the manner of an additive. The invention further relates to the production of suitable polymer mixtures of this type and to the use thereof.

    摘要翻译: 本发明涉及一种具有低粘度的聚合物混合物,允许加工塑料材料的方法加工,同时最终产品的最终性能保持不变或改善。 聚合物混合物以添加剂的形式与塑料材料混合。 本发明还涉及生产这种类型的合适的聚合物混合物及其用途。

    Compositions and methods for biological sample storage
    108.
    发明授权
    Compositions and methods for biological sample storage 有权
    用于生物样品储存的组合物和方法

    公开(公告)号:US08519125B2

    公开(公告)日:2013-08-27

    申请号:US12778100

    申请日:2010-05-11

    摘要: Compositions and methods are disclosed for substantially dry storage at ambient or elevated temperatures of biological samples such as nucleic acids, proteins and cells in a form from which the samples can be substantially recovered, using a dissolvable or dissociable dry storage matrix comprising a borate composition and a stabilizer as disclosed, such as any of a number of zwitterionic stabilizers.

    摘要翻译: 公开了组合物和方法,用于在环境或升高的温度下使用可包含硼酸盐组合物的可溶解或可离解的干燥储存基质在生物样品例如核酸,蛋白质和细胞中以基本上回收样品的形式基本干燥储存, 所公开的稳定剂,例如许多两性离子稳定剂中的任何一种。

    LOW VISCOSITY POLYMER MIXTURE
    110.
    发明申请
    LOW VISCOSITY POLYMER MIXTURE 有权
    低粘度聚合物混合物

    公开(公告)号:US20100261835A1

    公开(公告)日:2010-10-14

    申请号:US12532586

    申请日:2008-03-20

    IPC分类号: C08L23/06

    摘要: The present invention relates to a polymer mixture with a low viscosity, allowing processes for the processing of plastics materials to be accelerated while the final properties of the end products remain the same or are improved. The polymer mixture is mixed with the plastics materials in the manner of an additive. The invention further relates to the production of suitable polymer mixtures of this type and to the use thereof.

    摘要翻译: 本发明涉及一种具有低粘度的聚合物混合物,允许加工塑料材料的方法加工,同时最终产品的最终性能保持不变或改善。 聚合物混合物以添加剂的形式与塑料材料混合。 本发明还涉及生产这种类型的合适的聚合物混合物及其用途。