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Warning device for critical wear in vehicle drum or disc brake lining - detects critical state as opening to atmosphere of normally closed pipe protruding into lining material
Warning device for critical wear in vehicle drum or disc brake lining - detects critical state as opening to atmosphere of normally closed pipe protruding into lining material
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机译:车辆鼓或盘式制动器衬片严重磨损的警告装置-在突出到衬片材料的常闭管向大气开放时检测到临界状态
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摘要
The warning device contains a signal generator (5/13) operated by a pressure medium with a pressure chamber (4) subjected to reduced pressure via one line (3) during motion of the vehicle and/or whilst the engine is running. A second line (15) connects it to a closed tube (17) protruding into the lining material (18). When critical wear is reached the pipe is opened to the atmosphere. The second line opens into the first line rather than into the pressure chamber. A replaceable microfilter (22) is arranged in the first line behind the opening of the second line when viewed from the chamber. ADVANTAGE - Reliability and unambiguity of critical wear warning function are improved.
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