发明名称 |
ELECTRIC POWER STEERING ASSEMBLY |
摘要 |
<p>An improved structure for a rack drive assembly adapted for use in a vehicle electric power steering assembly includes a ball nut assembly operatively connected to a screw portion of a rack portion of a steering member of the power steering assembly for effecting axial movement of the steering member upon rotation of a vehicle steering wheel. According to one embodiment, the ball nut assembly includes a ball nut having an outer surface; a bearing assembly fixedly disposed in the rack housing and carried by the ball nut for rotatably supporting the ball nut assembly relative to the steering member; and a damper disposed on an outer race of the bearing assembly. The damper includes a pair of dampers disposed on the outer race of the bearing assembly, each of the dampers including at least a first member formed from a first rigid material and a second member formed from a second damping material.</p> |
申请公布号 |
EP2547572(A2) |
申请公布日期 |
2013.01.23 |
申请号 |
EP20110756676 |
申请日期 |
2011.01.07 |
申请人 |
TRW AUTOMOTIVE U.S. LLC |
发明人 |
BUGOSH, MARK;URBACH, BRIAN |
分类号 |
B62D3/12;B62D3/02;B62D5/04;F16C27/06;F16H25/24 |
主分类号 |
B62D3/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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