VCT

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VCT
central valve 中置式电磁阀
pushing magnet 推移磁铁
Automotive Division-Schaeffler China 舍弗勒(中国)有限公司 汽车事业部
A member of Schaeffler Group
INA VCT Concepts 方案设计
Development trend “Electric VCT” 发展趋势“电驱动VCT”
Automotive Division-Schaeffler China 舍弗勒(中国)有限公司 汽车事业部 A member of Schaeffler Group
INA VCT Concepts 方案设计
Belt Drive Applications 皮带传动应用
Compensation Spring 补偿弹簧 Separate Pulley 皮带轮与VCT分开设计 Rear section 后端
5 Vanes
5 x 叶片
Pin Sprocket
链轮
Automotive Division-Schaeffler China 舍弗勒(中国)有限公司 汽车事业部

No Bolts 无螺栓
A member of Schaeffler Group
INA VCT Concepts 方案设计
Central Solenoid Valve VCT 电磁阀中置式VCT
INA VCT Operation 工作原理
Function (Shifting) 功能(工作位置)
pump 机油泵
drain 回油
Automotive Division-Schaeffler China 舍弗勒(中国)有限公司 汽车事业部
A member of Schaeffler Group
INA VCT Operation 工作原理
INA VCT Operation 工作原理
Function (Base Position) 功能(基准位置)
pump 机油泵
drain 回油
Automotive Division-Schaeffler China 舍弗勒(中国)有限公司 汽车事业部
A member of Schaeffler Group
Automotive Division-Schaeffler China 舍弗勒(中国)有限公司 汽车事业部
A member of Schaeffler Group
INA VCT The Benefits 优点
Automotive Division-Scha
Balance spring and pulse wheel 补偿弹簧与脉冲齿圈
Sprocket on rear coverplate 链轮在后盖上
Duplex sprocket on stator with stator OD 75mm 双列链轮与定子(外径75mm) Oil supply adapter and 联结为一体 Sprocket on cover 供油芯与链轮在前盖上
A member of Schaeffler Group
Potential of INA VCT Concepts VCT方案所能达到的功能
Typical benefits for FE & Emissions (related to FTP 75 cycle) 对改善油耗以及排放的典型贡献(根据FTP75循环)
connected to oil pump 连接至机油泵 connected to sump 连接至油底壳
engine management system 发动机管理系统
Automotive Division-Schaeffler China 舍弗勒(中国)有限公司 汽车事业部
A member of Schaeffler Group
Hydraulic / Electronic Scheme 液压/电气图
cam phaser 凸轮相位调节器 cam position sensor 凸轮位置传 感器
trigger wheel传感器 齿圈
crank sensor 曲轴位置传感器 oil control valve 机油控制阀 trigger wheel 传感器齿圈
Automotive Division-Schaeffler China 舍弗勒(中国)有限公司 汽车事业部
A member of Schaeffler Group
INA VCT Concepts 方案设计
Chain Drive Applications 链传动应用
Sprocket on stator 链轮与定子联结为一体
IPS
Intake Phaser Shifting
fuel economy 燃油经济性 torque / power 扭矩/功率 comfort 舒适性
EPS
Exhaust Phase Shifting
Dual Independence Phase Shifting
Dual Equal Phase Shifting
A member of Schaeffler Group
INA VCT Solenoid Valve 电磁阀
Different Valve Designs 各种电磁阀设计类型
Mass Production Valves Mass Production Valves 已批量生产电磁阀 已批量生产电磁阀
A member of Schaeffler Group
INA VCT Concepts 方案设计
Weight Optimised VCT 轻量化(重量优化)VCT
Stator & Cover Vane Spring
叶片弹簧 定子和盖板
Spring Pin
销 弹簧
Cartridge
芯头
Rotor
转子
Current Valve Generation Current Valve Generation 当前电磁阀系列 当前电磁阀系列
Central Valve Central Valve 中置式电磁阀 中置式电磁阀
Automotive Division-Schaeffler China 舍弗勒(中国)有限公司 汽车事业部
Automotive Division-Schaeffler China 舍弗勒(中国)有限公司 汽车事业部 A member of Schaeffler Group
INA VCT Solenoid Valve 电磁阀
Solenoid Valve Performance 电磁阀性能
B
A T
P
Automotive Division-Schaeffler China 舍弗勒(中国)有限公司 汽车事业部
Automotive Division-Schaeffler China 舍弗勒(中国)有限公司 汽车事业部
A member of Schaeffler Group
INA VCT Solenoid Valve 电磁阀
General description 总体概况
ØProduct: 产品功能: control solenoid valve for free adjustment of camshaft timing within operating range of INA VCT-unit 电磁阀用于在INA VCT单元可控范围内调控凸轮 轴正时 ØBenefits: 优点: allows fast timing change due to large oil flow area within valve low energy consumption 由于电磁阀内部机油流动面积较大, 可以达到快速 正时 较小的能量损失 ØNote: 备注: solenoid valve is designed for use in engine environment (temperature / vibration) operating with engine oil driven by PWM-signal directly from engine management system 电磁阀是发动机管理系统根据发动机内部环境(温 度 / 振动变化)通过脉宽调制信号控制机油直接驱 动的
FE ~ - 3% NOx ~ - 50% HC ~ - 10% torque/power + 5%
♦ internal EGR 内部EGR
emissions 排放
FE ~ - 3% NOx ~ - 70 % HC ~ - 15 % torque/power
♦ catalyst heating 催化器加热
In-pulley VCT unit VCT设计在皮带轮内
Pulley on Stator 皮带轮与定子联结
Automotive Division-Schaeffler China 舍弗勒(中国)有限公司 汽车事业部
A member of Schaeffler Group
INA VCT Concepts 方案设计
0
200
400
600
800
shifting velocity °crank/s
Automotive Division-Schaeffler China 舍弗勒(中国)有限公司 汽车事业部
A member of Schaeffler Group
INA VCT The Solenoid Valve
(Oil Control Valve, OCV) 电磁阀 (机油控制阀,OCV)
Function (Controlled Position) 功能(控制位置)
pump 机油泵
drain 回油
Automotive Division-Schaeffler China 舍弗勒(中国)有限公司 汽车事业部
A member of Schaeffler Group
INA VCT The Concepts 方案设计
INA VCT, Concepts, Introduction & Overview INA VCT, 方案,介绍和概况
Content 内容 • The Benefits 优点 • Operation 工作原理 • The Concepts 方案设计 • The Solenoid Valve 电磁阀 • System Layout and Analysis Tools 系统设计及分析工具 • Testing Facilities and Capabilities 试验设备及能力 • Trends and Overall Valvetrain Concepts applying VCT • 发展趋势以及应用VCT的气门机构整体方案设计
Gear set 齿轮组
Front cover 前端盖
Performance example 性能举例
140
BLDC motor 无刷直流电机
1000 intake E-VCT
120
1000 exhaust E-VCT
power consumption/ W
100
80
60
40
20
0
-600
-400
-200
Vane Type VCT 叶片式VCT
Sprocket
链轮
Rotor
转子
Pin

Vane Spring
叶片弹簧
5 Bolts
5 x 螺栓
Stator
定子
Spring
弹簧
Cartridge
芯头
5 Vanes
5 x 叶片
Automotive Division-Schaeffler China 舍弗勒(中国)有限公司 汽车事业部
A member of Schaeffler Group
INA VCT Operation 工作原理
Automotive Division-Schaeffler China 舍弗勒(中国)有限公司 汽车事业部
A member of Schaeffler Group
INA VCT Operation 工作原理
DIPS
FE ~ -5% NOx ~ - 70 % HC ~ - 15 % torque/power + 10%
DEPS
♦ idle stability 怠速稳定性
FE ~ - 4-6 % NOx ~ - 50 % HC torque/power -
Automotive Division-Schaeffler China 舍弗勒(中国)有限公司 汽车事业部
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