Patent ID: 9303601
Filing Date: 2016-04-05
CPC Classification: F02M

Claim Text:
1. An evaporative fuel treatment apparatus comprising: an internal combustion engine having an intake pipe; a fuel tank that stores fuel for the internal combustion engine; a sub-tank in communication with the fuel tank; a fuel pump that pumps fuel that is supplied from the sub-tank to the internal combustion engine; an adsorber provided inside the sub-tank, that adsorbs evaporative fuel generated inside at least one of the fuel tank and the sub-tank; a purge mechanism that purges evaporative fuel from the adsorber into the intake pipe of the internal combustion engine; and an in-tank fuel adjustment unit that adjusts an amount of fuel inside the sub-tank in response to an operating state of the internal combustion engine, the in-tank fuel adjustment unit including a fuel introduction pump that pumps fuel from an outside of the sub-tank to an inside of the sub-tank, the fuel introduction pump being formed of a jet pump driven by at least part of the fuel pumped from the fuel pump.