valve actuation

阀动

Examples

  • Study and Simulation of an Electromagnetic Control Fully Variable Valve Actuation System

    电磁控制全可变 气门系统及其仿真

  • Systems and methods for providing partial bleeder braking engine valve actuation are disclosed .

    本发明涉及一种用于提供部分排放制动发动机 气门 致 动的系统和方法。

  • Initial Investigation into the Control Strategy for Electromagnetic Valve Actuation

    电磁 驱动 气门 机构控制策略初探

  • Design and Experiment of Electromagnetic Valve Actuation for Engines

    发动机电磁 气门 驱动（ EVA） 机构的设计及试验

  • A prototype of Electromagnetic Valve Actuation ( EVA ) for engines are modeled and simulated by using the software FLUX_2D / 3D .

    在发动机电磁 气门 驱动（EVA）研究中，利用电磁 驱动CAE软件FLUX2D/3D进行了EVA装置的仿真计算。

  • The Design and Dynamic Analysis of Continuous Variable Valve Actuation System

    车用 发动机连续可变 配 气系统的设计与动力学分析

  • Continuously Variable Valve Actuation system .

    连续可变 气门 驱动系统。

  • Experimental Study on In-Cylinder Flow and Fuel / Air Mixing in DISI Engines with Variable Valve Actuation

    可变 气门 驱动直喷汽油机缸内气流运动及燃油雾化混合的试验研究

  • Research Advance of Electromagnetic Valve Actuation for Engine

    发动机电磁 气门 驱动 技术的研究进展

  • The spool changes the positions relative to valve block under the mutual actuation of spring and hydraulic oil so that the connecting mode of oil ducts change to realize the alternation of two fixed-displacement motors between serial and parallel configurations .

    该 阀阀芯在弹簧和液压油共同 作用下，与 阀体的相对位置发生改变，使阀体上油口的连接方式发生改变，从而能够方便地实现两个定量马达并联和串联交替变化。

  • A self-locking permanent magnet electromagnetic valve actuation is proposed .

    提出了一种永磁自锁型电磁 气门 驱动 装置，它是在传统双弹簧、双电磁铁电磁 气门 驱动 机构的原理上引入了永磁体。

  • This paper puts forward a control system for the air-powered engine which realizes the effective control in electromechanical valve actuation . The created network communication platform based on CAN field bus provides the convenience for system extensions .

    本文设计的气动发动机电控系统实现了对电磁 驱动 气门的有效电子控制，同时利用CAN总线建立了网络通讯平台，为系统扩展提供了便利。

  • Experimental Studies on Close Loop Control Strategy for Fully Variable Valve Actuation

    全可变 气门 机构闭环控制策略的实验研究

  • To evaluate the prototype of electromagnetic valve actuation ( EVA ) a dynamic test system was developed and tests of initialization and reciprocation were conducted .

    在电磁 气门 驱动（EVA）研究中，设计制作了EVA动态特性试验装置和测试系统，对所研制的EVA进行了初始化试验和往复运动试验。

  • Analysis of the Advantages of Electromagnetic Control Fully Variable Valve Actuation System on the Basis of Simulation

    基于仿真基础上的电磁控制全可变 气门系统优越性的分析

  • Valve actuation utilizes a mechanical power device an actuator to operate a valve .

    阀门 执行 机构是一种采用机械力的设备，一台执行机构操作一个阀门。

  • Electromagnetic Valve Actuation Simulation Based on Magnetic Field Division

    采用磁场分割法进行的 发动机电磁 气门 驱动（ EVA）仿真计算

  • Test results show that the hydraulic valve actuation system can realize continuously variable valve lift and the early intake valve closing by changing the time of oil pressure release .

    通过实验证明这种液压 气门 机构可通过改变泄油初始 相位 角实现进气门最大升程和进气迟闭 角的连续可变。

  • The main problems of the camshaftless valve actuation are long response time hard valve landing high power consumption and complex high priced actuation system .

    无凸轮轴 气门 驱动的主要问题是响应速度不够高、 气门落座冲击、能耗过高以及驱动系统复杂昂贵。

  • Modes of Valve Actuation of Motorcycle

    摩托车 气门 的 驱动方式

  • Transitional process of an electromagnetic valve actuation ( EVA ) is studied with experimental method to reduce valve seating velocity .

    以一个发动机电磁 气门 驱动（EVA）装置为对象，采用试验方法研究EVA过渡过程。

  • Study on Intake Performance of SI Engine with Fully Variable Valve Hydraulic Actuation System

    发动机全可变 液压 气门 机构进气性能的研究

  • Among numerous advanced technologies Variable Valve Actuation ( VVA ) is considered as one of the most efficient way to improve gasoline engines ' fuel consumption increase power output and reduce emissions .

    在目前的各项技术措施中，可变 气门技术是改善传统SI汽油机燃油经济性，提高动力性和降低排放的最为有效的技术措施之一。

  • In contrast typical valve actuation speeds and cycle rates are15 milliseconds and400 cycles .

    而与之相比，典型的 阀 动作时间和往复运动频率分别为15毫秒和400次。

  • The Nios based hardware / software codesign and IP reuse under SoPC are concerned through an implementation of Electromagnetic Valve Actuation .

    结合可变 气门电磁 驱动 控制的具体实现过程，对SoPC环境下的IP核复用，基于Nios软硬件协同的技术进行了具体讨论。

  • The control difficulties for valve soft landing of electromagnetic valve actuation are analyzed . An open-loop control strategy is put forward which adjusts the coil current to reduce valve landing velocity .

    分析了实现电磁 驱动 气门机构软着陆的控制困难，提出了一个开环控制策略，通过调节线圈电流来降低落座速度。

  • Feasibility Analysis of a Conventional Closed-Loop Control Method for Electromagnetic Valve Actuation

    采用传统闭环方法控制电磁 气门 驱动的可行性分析

  • Closed-Loop Control on Transition of Electromagnetic Valve Actuation for Engines

    发动机电磁 气门 驱动过渡过程的闭环控制

  • A novel moving magnet type electromagnetic valve actuation with internally placed permanent magnets was proposed in the paper .

    提出了一种新型内置永磁体动磁式电磁 气门。

  • In order to improve the stability of power system on part of generating units within the system early valve actuation is employed to decrease the imbalance between mechanical and electric power and improve the transient stability of power system .

    为了改善电力系统的稳定性，在系统内的部分机组上采用了快 控 汽门 技术，以减少机械与电功率的不平衡，改善电力系统的暂态稳定。