Patent ID: 7849837

Claim:
A vaporized fuel processing device in a work machine in which an engine and a fuel tank for the engine are mounted on a machine body, an air cleaner is mounted outside the machine body, the air cleaner comprises a cleaner case and a cleaner element, the cleaner case including a cylindrical case body and a lid body, the case body including an air-inlet pipe on an outer periphery thereof and an air-outlet pipe at one of opposite ends thereof and having the other end thereof open, the lid body being mounted on the other end of the case body, the cleaner element being housed in the cleaner case and dividing the inside of the cleaner case into a pre-purification chamber communicating with the air-inlet pipe and a post-purification chamber communicating with the air-outlet pipe, and the air-outlet pipe is connected to an intake system of the engine with an intake duct interposed therebetween, the vaporized fuel processing device comprising: a canister attached to one of the fuel tank and the machine body, said canister absorbs a vaporized fuel generated in the fuel tank; a purge joint attached to the lid body of the air cleaner, said purge joint communicates with the post-purification chamber; and a purge conduit which extends from the canister and connects to the purge joint.