Sughrue Mion, PLLC
Fuel supply apparatus and fuel pressure regulating method for internal combustion engine
When an engine operation is stopped, a bypass passage returning fuel in a fuel supply passage into a fuel tank is opened to return a part of the fuel in the fuel supply passage, and a fuel pressure in the fuel supply passage is lowered to a predetermined fuel pressure higher than the atmospheric pressure, to be regulated.
Hitachi Ltd.
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Nobuaki Hiroshi
Sekiya Yamada