,申请号KR20000086834-传众专利搜索

申请公布号：KR100411079(B1)

申请号：KR20000086834

申请日期：2000.12.30

申请公布日期：2003.12.18

分类号：F01P5/14

主分类号：F01P5/14

摘要：PURPOSE: A disorder in an engine cooling system is decided to prevent engine damage by an overheat. CONSTITUTION: A system to diagnose an engine cooling system comprises a pressure detecting portion(140) in upper part of a radiator(105), a first, a second and a third temperature detecting portion(110, 120, 130) in a radiator upper end, lower end and an engine coolant discharging port. An induction current detecting portion(150) is installed in a cooling fan to detect induction current. A diagnosing control portion(160) decides overheat by the detected value of the above detecting portions.