Patent ID: 6946071

Claim:
A fuel filter which is utilized for a fuel supply device to pressurize and supply fuel stored in a fuel tank, wherein said fuel supply device comprises a fuel supply pipe that forms a supply passage for the fuel, a fuel filter to filter the fuel disposed at a midway point of said fuel supply pipe and below said fuel tank, a fuel pump to pressure-feed the fuel disposed at a downstream side of said fuel filter, and a venting pipe to connect the downstream side of said fuel filter and an upper air-space of said fuel tank, comprising: a fuel filter main body; a filter member which divides an inside of said filter main body into an upstream chamber and a downstream chamber; a suction joint to communicate with said fuel tank, which is disposed at the upstream chamber of said fuel filter main body; a supply joint to communicate with said fuel pump, which is disposed at a lower part of the downstream chamber of said fuel filter main body; and a circulating joint to communicate with an upper air-space of said fuel tank, which is disposed at the upper part of the downstream chamber of said fuel filter.