Patent ID: 7051718

Claim:
A fuel vapor leak check module comprising; an evaporated fuel purge system including a fuel tank, a canister which connects to the fuel tank through a tank passage, and a purge valve connected to an intake system of an engine through a purge passage; a pump pressurizing or depressurizing the interior of the evaporated fuel purge system; a motor driving the pump; a canister port communicating with the fuel tank through the canister which adsorbs a fuel vapor generated in the fuel tank; an atmospheric vent port being substantially parallel to the canister port and extending to open in an opposite direction relative to the canister port, the atmospheric vent port having an end opened to atmosphere; a switching valve selectively switching between a position in which the canister port is communicated with the atmospheric port and another position in which the canister port are communicated with the pump; and a housing having an accommodating space which accommodates the pump, an accommodating space which accommodates the switching valve, the canister port, and the atmospheric port, the canister port being inserted into the canister.