Internal-combustion engines – Charge forming device – Having fuel vapor recovery and storage system
Patent
1992-04-10
1993-09-21
Cross, E. Rollins
Internal-combustion engines
Charge forming device
Having fuel vapor recovery and storage system
123519, 123198D, F02M 3302
Patent
active
052459730
ABSTRACT:
A failure detection device that detects a failure occurring in an evaporative fuel purge system by detecting the pressure inside a vapor passage and a purge passage. The vapor passage and the purge passage are connected via a bypass passage. A pressure sensor is connected to either the vapor passage or the purge passage. An engine control unit is provided which judges that a failure has occurred in the evaporative fuel purge system when the pressure sensor detects a pressure equal to or higher than the predetermined pressure.
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Kayanuma Nobuaki
Otsuka Takayuki
Cross E. Rollins
Moulis Thomas
Toyota Jidosha & Kabushiki Kaisha
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