双质量飞轮结构介绍-LUK

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单质量飞轮系统扭转振动的仿真模拟
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CVT减振器的基本结构
质量环
平衡块
起动齿圈
主动飞轮 支承环 垫片 滑槽
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扭转振动效果对比－4挡全油门实测值
阻尼
单质量飞轮+从动盘减振
转速波动
变速箱
发动机
转速波动
双质量飞轮
发动机转速 [rpm]
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法兰 弧形弹簧 膜片弹簧 从动飞轮
铆钉 盖板
油脂
双质量飞轮工作的不同工况
熄火 滑行
转速
点火起动
发动机 变速箱
时间
怠速 起步
加减速
驱动行驶
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DMF (Dual Mass Flywheel) 双质量飞轮
LuK OEM 2009年6月
发动机的扭转振动
转速 [rpm]
时间
转速变动
转速
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reserved to LuK, in particular in case of grant of patent, utililty model registration, or design registration. Violations will cause indemnities.
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reserved to LuK, in particular in case of grant of patent, utililty model registration, or design registration. Violations will cause indemnities.
Page 9
reserved to LuK, in particular in case of grant of patent, utililty model registration, or design registration. Violations will cause indemnities.
单质量飞轮系统扭转振动的仿真模拟
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单质量飞轮和双质量飞轮曲轴负载对比
1200
测试点(曲轴轴承)
扭矩
力矩 [Nm]
800
弯矩 400
单质量飞轮
0 2000
3000
4000
5000
双质量飞轮
转速 [rpm]
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弧形弹簧在不同工况下的运动情况 点火起动
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弧形弹簧在不同工况下的运动情况 怠速
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双质量飞轮的基本结构
起动齿圈 主动飞轮 弧形弹簧 法兰
从动飞轮
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采用单质量飞轮+从动盘减振的扭转减振效果
传动系统的共振转速 (ωe = ωo )
转速波动 幅值 [rpm]
150 发动机
100
50
变速箱
c ωo =
J
阻尼
0 800
wk.baidu.com
1200
1600
2000
发动机转速 [rpm]
2400
2800
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reserved to LuK, in particular in case of grant of patent, utililty model registration, or design registration. Violations will cause indemnities.
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reserved to LuK, in particular in case of grant of patent, utililty model registration, or design registration. Violations will cause indemnities.
采用双质量飞轮的扭转振动效果
传动系统的共振转速 (ωe = ωo )
150 发动机
100
<<< ωo =
<<
c J
>>
变速箱
转速波动 幅值 [rpm]
50
0 800
1200
1600
2000
2400
2800
发动机转速 [rpm]
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双质量飞轮系统扭转振动的仿真模拟
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双质量飞轮的优点
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