JPS6158626U - - Google Patents

Description

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, in which Fig. 1 is an explanatory plan view, Fig. 2 is a front view of the same, Fig. 3 is a partial view taken in the direction of arrow 3 in Fig. 1, and Fig. 4 is a schematic view of the same. Figure 1 4-
4 is an explanatory sectional view taken along lines 5-5, FIG. 6 is a perspective explanatory diagram of an on-vehicle power generator as a specific example, and FIG. 7 is an explanatory sectional view taken along lines 5-5 in FIG. 4. It is a perspective view of a single machine. In addition, in the drawing, 1 is a working machine, 5 is a cooling means, 53 is a soundproof storage, 532 to 535 are walls, 531 is a floor, 3
is the engine, 10 is the exhaust pipe, 11 is the muffler, 16
is a radiator, 7, 18 is a cooling means, 537, 5
39 is an air exhaust port.

Claims (1)

[Scope of utility model registration request] A soundproof engine working machine that is covered all around with a wall and has an outside air intake in a part of the wall, and consists of a water-cooled engine equipped with a radiator, with the exhaust pipe of the engine extending downward from the floor, and the exhaust pipe downstream of the exhaust pipe. A muffler is installed below the floor, and the cooling air from around the engine is passed around the exhaust pipe to cool the exhaust pipe and discharged to the outside from the exhaust port below the floor. A soundproof engine working machine, characterized in that a muffler facing below the exhaust port is cooled by exhausting the air from the exhaust port to the outside.