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    • 3. 发明专利
    • Fluid brake device and valve timing adjusting apparatus
    • 流体制动装置和阀门调时装置
    • JP2012241563A
    • 2012-12-10
    • JP2011110614
    • 2011-05-17
    • Nippon Soken Inc株式会社日本自動車部品総合研究所Denso Corp株式会社デンソー
    • OE SHUHEIOKA KUNIAKIOTSUBO MAKOTOYAMADA JUNNARA KENICHIWASHINO SEIICHIRO
    • F01L1/352
    • F01L1/352B60T10/00F01L2001/34483F16D57/002
    • PROBLEM TO BE SOLVED: To provide a fluid brake device which suppresses change in braking characteristic due to leakage of magnetic viscous fluid from a fluid chamber.SOLUTION: A fluid brake device 100 includes: a casing 110 which has the fluid chamber 114 formed therein; the magnetic viscous fluid 140 which is housed in the fluid chamber 114, and whose viscosity changes according to a magnetic flux that passes through the magnetic viscous fluid; a solenoid coil 150 which variably controls the viscosity of the magnetic viscous fluid 140; a brake rotor 130 that receives braking torque according to the viscosity of the magnetic viscous fluid 140; and a seal structure 160 which seals between the casing 110 and a braking shaft 131 of the brake rotor 130. Heat is transmitted from the fluid chamber 114 to a wax chamber 190 formed in the casing 110, to expand wax 145 housed in the wax chamber 190. Thus, a movable member 120 movably supported by the casing 110 moves, to increase volume of the fluid chamber 114.
    • 要解决的问题:提供一种流体制动装置,其抑制由于来自流体室的磁性粘性流体的泄漏而引起的制动特性的变化。 解决方案:流体制动装置100包括:壳体110,其中形成有流体室114; 容纳在流体室114中并且其粘度根据穿过磁性粘性流体的磁通量而变化的磁性粘性流体140; 电磁线圈150,其可变地控制磁性粘性流体140的粘度; 制动转子130,其根据磁性粘性流体140的粘度接收制动转矩; 以及密封结构160,其密封在壳体110和制动转子130的制动轴131之间。热量从流体室114传递到形成在壳体110中的蜡室190,以扩大容纳在蜡室中的蜡145 因此,由壳体110可移动地支撑的可移动构件120移动,以增加流体室114的体积。(C)2013,JPO和INPIT
    • 4. 发明专利
    • Rotation braking device using magnetic viscous fluid
    • 使用磁力粘度流体的旋转制动装置
    • JP2011202745A
    • 2011-10-13
    • JP2010071057
    • 2010-03-25
    • Kurimoto Ltd株式会社栗本鐵工所
    • AKAIWA SHUICHIYAMAMURO SHIGEKINOMURA HIROSHI
    • F16D63/00F16D37/02
    • F16D57/002
    • PROBLEM TO BE SOLVED: To provide a rotation braking device for a rotor including: a rotor rotating axially relative to a housing; magnetic discs conjoined with the rotor; and an electromagnet disposed to sandwich the discs, and giving a magnetic path in the direction sandwiching the discs when applying current thereto.SOLUTION: In the disc of the rotation braking device for a rotor, a groove is disposed to each disc to prevent the magnetic path from dispersing in directions other than the direction sandwiching the disc. Further, the magnetic viscous fluid is held in the gaps between the rotor or the discs, and the housing or the electromagnet.
    • 要解决的问题:提供一种用于转子的旋转制动装置,包括:相对于壳体轴向旋转的转子; 与转子结合的磁盘; 以及设置成夹住盘的电磁体,并且当向其施加电流时在夹住盘的方向上产生磁路。解决方案:在用于转子的旋转制动装置的盘中,在每个盘上设置凹槽以防止磁 从除了夹着盘的方向以外的方向分散的路径。 此外,磁性粘性流体保持在转子或盘,以及壳体或电磁体之间的间隙中。
    • 9. 发明专利
    • Braking device
    • 制动装置
    • JP2013242014A
    • 2013-12-05
    • JP2012116283
    • 2012-05-22
    • Somic Ishikawa Inc株式会社ソミック石川Fuji Latex Kk不二ラテックス株式会社
    • SHIMURA RYOTAYAMADA DAISUKE
    • F16D63/00F16D65/14F16D65/16
    • F16D57/002F16D63/002F16D2121/28
    • PROBLEM TO BE SOLVED: To provide a braking device capable of effectively making shearing stress of a magnetic viscous fluid act on both surfaces of a rotating body.SOLUTION: A braking device is provided including: a first soft magnetic body 1; a coil 3 mounted to the first soft magnetic body 1; a second soft magnetic body 2; an operation chamber 4 formed between the first soft magnetic body 1 and the second soft magnetic body 2; a rotating body 5 provided within the operation chamber 4; and a magnetic viscous fluid 6 filled into the gap between the rotating body 5 and the first soft magnetic body 1 and into the gap between the rotating body 5 and the second soft magnetic body 2. The rotating body 5 has low magnetic resistance sections 5a, 5b consisting of a soft magnetic material, and has a high magnetic resistance section 5c through which a magnetic flux is less likely to flow. The high magnetic resistance section 5c is provided at the portion of the rotating body 5 which faces the coil 3.
    • 要解决的问题:提供一种能够有效地使磁性粘性流体的剪切应力作用在旋转体的两个表面上的制动装置。解决方案:一种制动装置,包括:第一软磁体1; 安装到第一软磁体1的线圈3; 第二软磁体2; 形成在第一软磁体1和第二软磁体2之间的操作室4; 设置在操作室4内的旋转体5; 以及填充到旋转体5和第一软磁体1之间的间隙中的磁性粘性流体6,并且旋转体5与第二软磁体2之间的间隙。旋转体5具有低磁阻部分5a, 5b,其由软磁性材料构成,并且具有高磁阻部分5c,磁通量不太可能流过。 高磁阻部分5c设置在旋转体5的面对线圈3的部分。
    • 10. 发明专利
    • Fluid brake device and valve timing adjusting device
    • 流体制动装置和阀定时调节装置
    • JP2013170636A
    • 2013-09-02
    • JP2012035426
    • 2012-02-21
    • Denso Corp株式会社デンソー
    • NARA KENICHIKAMIYA YOHEIWASHINO SEIICHIROTAKAHASHI TORU
    • F16D57/00F01L1/34F01L1/352
    • F16D3/80B60T10/04F01L1/352F01L2001/34483F01L2250/02F01L2820/031F01L2820/033F16D3/10F16D57/002
    • PROBLEM TO BE SOLVED: To make a fluid brake device exhibit stable braking performance.SOLUTION: A fluid brake device includes: a housing 110 which forms a fluid chamber 114 therein; magneto-rheological fluid 140 of which magnetic particles 140a are dispersed and which viscously changes in accordance with passing magnetic flux by being filled in the fluid chamber 114; a coil 150 which variably controls the viscosity of the magneto-rheological fluid 140 by generating the passing magnetic flux to the magneto-rheological fluid 140; a brake rotatable body 130 which has a magnetic portion 133 through which the generating magnetic flux of the coil 150 pass and in which braking torque corresponding to the viscosity of the magneto-rheological fluid 140 is inputted during rotation in the circumferential direction by means of contact of the magneto-rheological fluid 140 with the magnetic portion 133; and partition structure 160 which partitions the fluid chamber 114 into an outer peripheral region 117a in which the magnetic portion 133 is exposed and an inner peripheral region 117b of an inner peripheral side rather than the outer peripheral region 117a in the radial direction of the brake rotatable body 130 during the rotation of the brake rotatable body 130.
    • 要解决的问题:使流体制动装置表现出稳定的制动性能。解决方案:流体制动装置包括:壳体110,其中形成流体室114; 磁流变液140,其磁性粒子140a被分散并且通过填充在流体室114中而根据通过的磁通而粘度变化; 线圈150,其通过向磁流变流体140产生通过的磁通量来可变地控制磁流变流体140的粘度; 制动转动体130,其具有磁性部分133,线圈150的发电磁通通过该磁性部分133,并且其中通过接触在周向旋转期间输入对应于磁流变流体140的粘度的制动转矩 的磁流变流体140与磁性部分133; 以及分隔结构160,其将流体室114分隔成其中暴露磁性部分133的外周区域117a和可旋转的制动器的径向外周区域117a的内周侧区域117b而不是外周区域117a 主体130在制动转动体130的转动期间。