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1. 发明申请

WO1997005395A1 METHOD AND APPARATUS FOR TESTING A FLUID PRESSURE APPARATUS 审中-公开
标题翻译：用于测试流体压力装置的方法和装置
公开(公告)号：WO1997005395A1
公开(公告)日：1997-02-13
申请号：PCT/IB1996000704
申请日：1996-07-16
申请人： AUTOMOTIVE PRODUCTS (USA) INC.
发明人： AUTOMOTIVE PRODUCTS (USA) INC. , LAFOUNTAIN, Robert, Henry
IPC分类号： F15B19/00
CPC分类号： F15B19/00
摘要： A method and apparatus for testing and filling hydraulic assemblies such as a hydraulic clutch control assembly (12) for a motor vehicle. A conduit (36b) is placed in communication with a pressure chamber of the assembly; air is sucked out of the pressure chamber through the conduit while a series of pressure readings are taken in the conduit indicative of the gradually declining pressure within the pressure chamber; the pressure readings are utilized to generate a vacuum signature (114); the vacuum signature is compared to a stored vacuum signature corresponding to an acceptable hydraulic assembly; the hydraulic assembly is accepted or rejected based on the match between the generated vacuum signature and the stored vacuum signature; assuming that the assembly is accepted, liquid is supplied through the conduit to gradually fill the pressure chamber of the assembly while taking a series of pressure readings indicative of the pressure in the chamber during the fill process; the fill pressure readings are utilized to generate a fill signature (116); the fill signature is compared to a stored fill signature corresponding to an acceptable assembly; and the assembly is rejected or accepted based on the correspondence between the generated fill signature and the stored signature.
摘要翻译：一种用于测试和填充液压组件的方法和装置，例如用于机动车辆的液压离合器控制组件（12）。导管（36b）放置成与组件的压力室连通; 空气通过管道从压力室中吸出，同时在管道中取出一系列压力读数，指示压力室内的压力逐渐下降; 使用压力读数来产生真空签名（114）; 将真空特征与对应于可接受的液压组件的存储的真空特征进行比较; 基于产生的真空签名和存储的真空签名之间的匹配，液压组件被接受或拒绝; 假设组件被接受，液体通过管道供应以逐渐填充组件的压力室，同时采取一系列在填充过程中指示腔室中的压力的压力读数; 填充压力读数被用于产生填充签名（116）; 将填充签名与对应于可接受的组件的存储填充签名进行比较; 并且基于生成的填充签名和存储的签名之间的对应关系，组件被拒绝或接受。

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