Abstract: A portable engine unit is provided. The unit comprises an engine including a clutch, a crankcase enclosing a crank shaft, an engine cylinder enclosing a piston and a piston rod, a carburetor, an air filter, a recoil starter, and a muffler; and a housing for enclosing the engine, comprising at least two portions which are assembled and disassembled along a plane including the axis of rotation of an output shaft of the engine to enclose and expose the engine.

Abstract: There is provided a portable blower. The portable blower comprises a casing including an engine chamber and a fan chamber. The engine chamber accommodates an engine, and the fan chamber a fan. The engine comprises an engine cylinder, a crankcase, a cantilever-type crank shaft, a carburetor, and a muffler, in which the crankcase is disposed in front of the engine cylinder, the crank shaft extending downwardly from the crankcase into the fan chamber, the carburetor being disposed above the crankcase and connected thereto, the muffler being disposed above the engine cylinder and connected thereto, and the fan being fixed to a lower end of the crank shaft and driven by the engine to suck air from atmosphere and blow air to atmosphere.