| 摘要 |
PURPOSE: A return valve of a Liquid Propane Injection system is provided to prevent noise occurred by initial fuel returned through a fuel hole. CONSTITUTION: A return valve of a Liquid Propane Injection system comprises an upper valve housing(21), a lower valve housing(22), an upper valve(210), and a lower valve(220). The upper valve housing is installed in a multi valve assembly and has an upper receiving space(21a) and a fuel hole(21b). The fuel hole connects the upper receiving space and a fuel return line. The lower valve housing is integrally coupled to the upper valve housing and has a connection path(22a) and a lower receiving space(22b). The upper valve is fixed to the upper valve housing and opens and closes the fuel hole. The lower valve is fixed to the lower valve housing and opens and closes the connection path.
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