发明名称 ALARM DEVICE
摘要 <P>PROBLEM TO BE SOLVED: To provide an alarm device capable of generating an alarm by early detection of decrease in oil level while preventing unnecessary alarm. <P>SOLUTION: This alarm device, which is provided at an oil supply device comprising an oil pump sucking oil stored in an oil pan and supplying the oil to each lubricating part of an engine and detects the decrease in oil level in the oil pan to generate the alarm, comprises a warning lamp generating the alarm indicating that the oil level is decreased; and an ECU performing oil level alarm control to drive the warning lamp to generate the alarm to indicate that the oil level is decreased on condition that oil pressure P<SB POS="POST">o</SB>(kPa) becomes equal to or less than a reference oil pressure P<SB POS="POST">b</SB>(kPa) within a predetermined time t(sec) after cold start, during the cold start of the engine. <P>COPYRIGHT: (C)2013,JPO&INPIT
申请公布号 JP2013029061(A) 申请公布日期 2013.02.07
申请号 JP20110165122 申请日期 2011.07.28
申请人 TOYOTA MOTOR CORP 发明人 KAWAHARA SHUJI
分类号 F01M11/12;F01M1/20 主分类号 F01M11/12
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