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1.发明授权公开(公告)号：US06886819B2
公开(公告)日：2005-05-03
申请号：US10288769
申请日：2002-11-06
IPC分类号： C10M171/00 , H01F1/44 , F16F9/00
CPC分类号： C10M171/001 , C10M2201/05 , C10M2201/06 , C10M2201/062 , C10M2201/066 , C10M2201/105 , C10M2201/14 , C10M2203/1006 , C10M2205/0285 , C10M2207/021 , C10M2207/10 , C10M2207/126 , C10M2207/128 , C10M2207/16 , C10M2207/289 , C10M2213/00 , C10M2213/062 , C10M2219/044 , C10M2219/066 , C10M2219/068 , C10M2223/00 , C10M2223/04 , C10N2210/06 , C10N2220/082 , C10N2240/205 , H01F1/447
摘要： Magnetorheological devices, including damping devices, rotary devices, and haptic systems constructed with said devices are disclosed. The devices contain dry magnetically-responsive particles, or MR fluids containing the magnetically responsive particles. The magnetically soft particles characterized by a single process yield population of atomized particles having a cumulative 10%, 50% and 90% by volume, fraction within specified size, i.e., D10 of from 2 up to and including a D10 of 5 μm, a D50 8 μm up to and including a D50 of 15 μm, a D90 of 25 μm up to and including a D90 of 40 μm, and characterized by a least squares regression of log normal particles size against cumulative volume % fraction of greater than or equal to 0.77.
摘要翻译： 公开了包括阻尼装置，旋转装置和用所述装置构造的触觉系统的磁流变装置。 这些装置含有干性磁响应颗粒或含有磁响应颗粒的MR流体。 以单一工艺为特征的磁性软颗粒产生具有累积的10％，50％和90体积％，特定尺寸内的分数的雾化颗粒群，即D 2至2 包括5毫米的D 10微米，D 50 M 8 mum直到并包括15毫米的15毫米，D < 90微米，直到并包括40微米的D 90 90，其特征在于对数正态粒子尺寸对累积体积％分数的最小二乘回归大于或等于0.77 。
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公开(公告)号：US07070707B2
公开(公告)日：2006-07-04
申请号：US10154706
申请日：2002-05-23
IPC分类号： H01F1/44
CPC分类号： H01F1/447
摘要： The invention provides a magnetorheological composition having reduced off-state forces and good performance. Specifically, this invention is directed to a magnetorheological composition that may comprise non-sperical magnetic-responsive particles and at least one friction-reducing additive that reduces the interparticle friction between the magnetic-responsive particles.
摘要翻译： 本发明提供了具有降低的截止力和良好性能的磁流变组合物。 具体地，本发明涉及一种磁流变组合物，其可以包括非精密磁响应颗粒和至少一种降低磁响应颗粒之间的颗粒间摩擦的摩擦减小添加剂。
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公开(公告)号：US07217372B2
公开(公告)日：2007-05-15
申请号：US10286303
申请日：2002-11-01
IPC分类号： H01F1/44
摘要： The invention provides a magnetorheological device employing narrow design gap and containing a magnetic-responsive composition exhibiting reduced off-state forces and good performance. Specifically, this invention is directed to a magnetorheological device of defined gap, and employing a magnetic-responsive composition characterized by comprising non-sperical magnetic-responsive particles of average number diameter distribution (d50) from 6 to 100 microns and at least one friction-reducing additive that reduces the interparticle friction between the magnetic-responsive particles.
摘要翻译： 本发明提供一种使用窄设计间隙并含有表现出减小的截止状态力和良好性能的磁响应组合物的磁流变装置。 具体而言，本发明涉及一种具有限定间隙的磁流变装置，并采用磁响应组合物，其特征在于包括平均数目直径分布（d <50>）的非精确磁响应颗粒，从6到 100微米和至少一种降低磁响应颗粒之间的颗粒间摩擦的摩擦减少添加剂。
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4.发明授权公开(公告)号：US07087184B2
公开(公告)日：2006-08-08
申请号：US10289071
申请日：2002-11-06
IPC分类号： H01F1/44
CPC分类号： H01F1/447 , C10M171/001 , C10M2201/05 , C10M2201/061 , C10M2201/066 , C10M2201/105 , C10M2201/14 , C10M2205/0285 , C10M2207/021 , C10M2207/0225 , C10M2207/125 , C10M2207/126 , C10M2207/128 , C10M2207/16 , C10M2207/2835 , C10M2207/289 , C10M2219/044 , C10M2219/066 , C10M2219/068 , C10M2219/106 , C10M2223/00 , C10M2223/04 , C10M2223/045 , C10N2210/06 , C10N2220/082 , C10N2240/205
摘要： What is disclosed is a magnetorheological fluid useful for incorporating within the working gap of magnetorheologically controllable linear or rotary devices. The MR fluid includes a carrier fluid component and a magnetic responsive particle component characterized by D10 of 2 μm up to and including a D10 of 5 μm, a D50 of 8 μm up to and including D50 of 15 μm; a D90 of 25 μm to and including a D90 of 40 μm; and further characterized by least squares regression (R2) particles size against log normal cumulative volume percent of greater than or equal to 0.77. Optional preferred additives included therewith include thixotropic agent or viscosity modifier, dispersant or surfactant, antioxidant, corrosion inhibitor, and one or more lubricants.
摘要翻译： 所公开的是一种磁流变流体，其用于结合在磁流变线性或旋转装置的工作间隙内。 MR流体包括载体流体组分和磁性响应颗粒组分，其特征在于2μm至10μm，直到并包括5μm的D 10，D 50 25微米的D 90，并包括40微米的D 90; 并且进一步的特征在于最小二乘回归（R 2 O 2）颗粒尺寸与对数正常累积体积百分比大于或等于0.77。 包括的任选的优选添加剂包括触变剂或粘度调节剂，分散剂或表面活性剂，抗氧化剂，缓蚀剂和一种或多种润滑剂。
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公开(公告)号：US06395193B1
公开(公告)日：2002-05-28
申请号：US09564124
申请日：2000-05-03
IPC分类号： H01R128
CPC分类号： H01F1/447
摘要： The invention provides a magnetorheological composition having reduced off-state forces and good performance. Specifically, this invention is directed to a magnetorheological composition that may comprise non-sperical magnetic-responsive particles and at least one friction-reducing additive that reduces the interparticle friction between the magnetic-responsive particles.
摘要翻译： 本发明提供了具有降低的截止力和良好性能的磁流变组合物。 具体地，本发明涉及一种磁流变组合物，其可以包括非精密磁响应颗粒和至少一种降低磁响应颗粒之间的颗粒间摩擦的摩擦减小添加剂。
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公开(公告)号：US08828263B2
公开(公告)日：2014-09-09
申请号：US13263763
申请日：2010-05-28
IPC分类号： H01F1/44
摘要： A magnetorheological fluid comprising a mixture of soft and hard iron particles, an organic based carrier fluid, and optional additives such as anti-friction, anti-wear, or surfactants unexpectedly have improved durability when used in devices for control vibration and/or noise, for example, shock absorbers, elastomeric mounts, dampers, and the like.
摘要翻译： 包含软铁和硬铁颗粒，有机基载体流体和任选的添加剂如抗摩擦，抗磨损或表面活性剂的混合物的磁流变流体在用于控制振动和/或噪声的装置中意外地具有改善的耐久性， 例如减震器，弹性支架，阻尼器等。
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公开(公告)号：US20120074348A1
公开(公告)日：2012-03-29
申请号：US13263763
申请日：2010-05-28
IPC分类号： H01F1/44
摘要： A magnetorheological fluid comprising a mixture of soft and hard iron particles, an organic based carrier fluid, and optional additives such as anti-friction, anti-wear, or surfactants unexpectedly have improved durability when used in devices for control vibration and/or noise, for example, shock absorbers, elastomeric mounts, dampers, and the like.
摘要翻译： 包含软铁和硬铁颗粒，有机基载体流体和任选的添加剂如抗摩擦，抗磨损或表面活性剂的混合物的磁流变流体在用于控制振动和/或噪声的装置中意外地具有改善的耐久性， 例如减震器，弹性支架，阻尼器等。
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