发明申请
- 专利标题： EVAPORATED FUEL TREATMENT DEVICE OF INTERNAL COMBUSTION ENGINE
- 专利标题（中）： 内燃机的蒸发燃料处理装置
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申请号： US11387933申请日： 2006-03-24
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公开(公告)号： US20060162433A1公开(公告)日： 2006-07-27
- 发明人: Takuji Matsubara , Toru Kidokoro , Yoshihiko Hyodo
- 申请人： Takuji Matsubara , Toru Kidokoro , Yoshihiko Hyodo
- 优先权： JP2002-321687 20021105
- 主分类号： G01M19/00
- IPC分类号： G01M19/00
摘要：
Disclosed is an evaporated fuel treatment device that includes a sealing valve installed between a fuel tank and a canister, a pump module pressure sensor for detecting the pressure on the canister side pressure, and a tank internal pressure sensor for detecting a tank internal pressure. Upon detection of a significant difference between the canister side pressure and tank internal pressure, the device concludes that no open failure exists in the sealing valve.
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