Effects of Delivery Valve Spring Rigidity and Opening Pressure on Bubbles in Diesel Fuel Injection System

出 油 阀 弹簧刚度及开启压力对柴油机喷油系统中汽泡影响的研究

The Design of Valve Spring of High-speed Gasoline Engine Used in Motorcycle

摩托车用高速汽油机 气门 弹簧的设计

At the same time the stiffness property curve of the variable stiffness valve spring is obtained by FEA .

通过有限元仿真计算，快速地得到了变刚度 气门 弹簧弹性特性曲线。

Optimum Design of Valve Spring of Distribution Mechanism for Aluminium-alloy Ceramic Rocker Arm

铝合金陶瓷摇臂配气机构的 气门 弹簧优化设计

Finally the static intensity and fatigue intensity of the valve spring are checked .

并依据 气门 弹簧应力计算结果对该 弹簧进行了静强度和疲劳强度校核。

In this paper some of the problems encountered in the calculation of the valve spring force are discussed .

本文概述了目前计算 气阀 弹簧力中所存在的一些问题。

The valve spring stiffness in some extent will not influence the motion characteristics . But the contact stress of the cam and the tappet will increase as the spring stiffness increases .

气门 弹簧刚度在一定范围内，并不会影响气门运动规律，但是，气门落座力、凸轮挺柱接触应力会随弹簧刚度的增加而增加。

Due to the release of pressure when removing the cover the relief valve spring may eject quickly .

因为在拆卸阀盖时松开压力，安全 阀 弹簧可能会快速弹出来。

Table the minimum time to close the valve spring torque is the torque maximum torque is to open the valve spring torque .

表中，最小 弹簧扭矩即为关闭 阀门时的扭矩，最大弹簧扭矩即为打开阀门时的扭矩。

Remove the relief valve cover stem / diaphragm assembly and relief valve spring .

拆卸安全阀阀盖，阀杆/隔膜总成，和安全 阀 弹簧。

Then pneumatic valve spring made from this spring steel wire have been treated by this investigation of liquid tufftriding process .

然后，用以对此规格的钢丝制造的 气阀 弹簧进行了低温液体软氮化处理。

If the pilot valve spring coupled driven sleeve inhibited the spring swing to lead more stable valve movement .

若导 阀 弹簧配上导向套筒，则可抑制弹簧的摇摆，使导阀芯运动更平稳。

The design processes of various valve springs are studied carefully in this paper optimum mathematical models of springs are raised and the software for optimum design of the valve spring is developed .

该文深入研究了各种气门弹簧的设计过程，提出了目前车用发动机上常见的气门弹簧结构的优化数学模型，在微机上开发了专用软件，实现了 气门 弹簧最佳设计的自动化。

Analyzes the cause of full open safety valve spring break built in liquefied petroleum gas railway tanker and describes the method for prevention of spring break .

分析了液化石油气铁路罐车内置全启式安全 阀 弹簧断裂的原因，介绍了防止弹簧断裂的方法。

The method of reliability analysis for valve spring is described in particular the method of reliabilty evaluation for the case where only the experiment data of spring dynamic stress are available without the data of material fatigue resistance is introduced in this paper .

本文论述了 发动机 气门 弹簧可靠性分析的方法，特别是介绍了在只有弹簧动态应力的实验数据而缺乏材料疲劳性能有关数据时，对 气门 弹簧可靠度进行估算的方法。

Study on Residual Stress of Valve Spring for Vehicle Engine

汽车发动机 气门 弹簧残余应力的研究

Test and Analysis of Dynamic Stress and Vibration Frequency of the Outer Valve Spring

气门外 弹簧动态应力与振动频率的测量与分析

Valve Spring Compressor MD-998772A

汽门 弹簧压缩器MD-998772A

Causes of spring failure in boiler safety valve are given . Stress effect of boiler safety valve spring under asial ( or static ) load non-center load and impact load . Precautions against boiler safety valve spring failure are presented .

阐述锅炉安全阀弹簧失效的原因，分析锅炉安全 阀 弹簧受轴向（或静）载荷、非中心载荷、冲击载荷下的受力影响，提出了预防锅炉安全阀弹簧失效的措施。

The paper deals with the fatigue strength lifetime prediction and its influences of the valve spring steel wires .

讨论 气门 弹簧钢丝的疲劳强度、寿命预测及其影响因素。

The overhead camshaft ( OHC ) and combination valve spring structure are in common use in modern motorcycle gasoline engine .

近代摩托车用汽油机普遍采用顶置凸轮轴结构（OHC）和组合式 气门 弹簧。

Moreover the author analyzed and researched dynamic load of the needle valve spring by adopting the method of characteristic line and proposed to design the needle valve spring using its dynamic load .

运用特征线法研究和分析 针阀 弹簧的动力负荷，推导出采用动载法设计针阀弹簧的方法，从而提高设计的稳健性。高压共轨喷油器精度和技术要求高，加工难度大。

This means that the operating mechanism must be able to move sufficiently far enough away from the valve to allow the valves to be fully closed against its seat by the valve spring .

这意味着操作机构必须离阀门足够远以允许阀门通过 气门 弹簧使其完全关闭。

Load natural frequency of vibration fatigue resistance and relaxation of valve spring directly affect the reliability and durability of engine .

气门 弹簧负荷的大小，自振频率的高低，抗疲劳性能及抗松弛性能，直接关系到发动机的可靠性和耐久性。

Reliability optimization design of valve spring for diesel engine based on adaptive genetic algorithm

基于自适应遗传算法的柴油机 气门 弹簧可靠性优化设计

The relief valve spring will be free inside the body at this point .

这时安全 阀 弹簧将在阀体自由活动。

The Reliable Performance Analysis and Reliability Evaluation of Engine Valve Spring

发动机 气门 弹簧的可靠性分析和可靠度估算

Fracture analysis of the motor valve spring

摩托车 气门外 弹簧的断裂分析