会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 3. 发明授权
    • Method to diagnose a fault of an oil piston cooling jets valve
    • 诊断油活塞冷却喷气阀故障的方法
    • US08639411B2
    • 2014-01-28
    • US13472718
    • 2012-05-16
    • Morena BrunoMichele Bilancia
    • Morena BrunoMichele Bilancia
    • G01M15/09
    • F01P3/08F01M1/20F01M11/10
    • Methods for diagnosing a fault of an oil piston cooling jets valve of an internal combustion engine are provided. A method includes sensing a pressure value in a main oil gallery and checking whether the oil piston cooling jets valve is commanded in a state for opening a communication between the main oil gallery and an auxiliary oil gallery or in a state for closing the communication. A pressure value in the auxiliary oil gallery is checked to as to whether it exceeds a predetermined threshold value thereof, above which a jet nozzle of the auxiliary oil gallery automatically opens. A fault of the valve is identified if the pressure value in the main oil gallery exceeds the predetermined threshold value by a predetermined quantity and if a pressure value in the auxiliary oil gallery is different than expected on a basis of the state of the valve.
    • 提供了用于诊断内燃机的油活塞冷却喷气阀的故障的方法。 一种方法包括感测主油库中的压力值,并且检查油活塞冷却喷射阀是否处于用于打开主油道和辅助油田之间的连通状态或处于关闭通信状态的状态。 检查辅助油库中的压力值是否超过预定阈值,辅助油库的喷嘴自动打开。 如果主油库中的压力值超过预定阈值预定量并且辅助油田中的压力值基于阀的状态不同于期望值,则确定阀的故障。