油泄漏测量的创新装置和工艺

G. Quaglia, A. Ivanov, S. Bermond, A. Giordano
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引用次数: 2

摘要

本文介绍了一种新颖的通过密封测量泄漏量或泄漏率的装置和方法,特别是阀门蒸汽密封。在汽车应用中,阀杆密封必须保证正确的阀杆润滑。这是“可控泄漏”的概念。流量不足会增加气门机构的磨损率、过早失效、噪音和更高的温度;过大的流量会导致油耗、效率降低(发动机和催化剂)和环境问题。为了满足这类工业产品的排放要求和耐用性能,开发泄漏率测量系统是非常重要的。通过该装置和本文提出的方法,可以测量0.01 cm/sup /左右的非常小的泄漏,从而解决了这一问题。本文介绍了正在申请专利的装置、操作步骤和实验结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Innovative device and process for the oil leakage measure
The paper deals with an innovative device and a process to measure the oil leakage or the leak rate through the seals, specially regarding the valve steam seals (VSS). Valve stem seals, in automotive applications, must assure a correct valve stem lubrication. It is the " controlled leakage" concept. Inadequate flow causes increased valve-train wear-rate, premature failure, noise and higher temperatures; excessive flow causes oil consumption, lower efficiency (engine and catalyst) and environment concerns. It is extremely important to develop a leak-rate measurement system in order to meet emission requirements and durability performance of this type of industrial product. The problem is solved by the measurement of very small leakage, of around 0.01 cm/sup 3/ by the device and the process presented in this paper. The paper presents the device, actually patent pending, the procedure and the experimental results obtained.
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