To provide a fuel evaporative emission control sealed tank system for a small engine for minimizing a space necessary for required additional components.
A small engine fuel system 10 comprises a fuel tank 12 having an fueling pipe 22 formed integrally therewith. The fueling pipe 22 is formed of a fuel evaporative emission non-permeable material to be HVOH or polyamide-dispersed HDPE, and it has a lower end 26 arranged at a lower level on the upper part of a tank wall. The fueling pipe 22 is arranged in a recessed portion on the upper part of the tank wall or it has an insert extending into a lower position on the upper part of the tank wall of the tank to form a fuel evaporative emission space. The fuel tank 12 includes a fueling restricting fuel evaporative emission ventilation/turn-over valve 28 having an outlet 30 connected to a storage canister 34. The storage canister 34 has an outlet and an air vent hole to the engine 18.
Miyazaki Yoshio
Mitsuo Tateishi
Kaoru Onozuka
Akio Tagami
High Masahiro
Toshio Nakamura
Tsutomu Kato
Yusuke Murakoshi