JPH01136620U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は建設機械の側面図、第２図は本考案一
実施例の一部断面した平面図、第３図は第２図
―線に沿う断面図、第４図は排気路遮蔽手段の
他の実施態様の平面図、第５図は第４図―線
に沿う断面図である。 ５はカウンタウエイト、８は方向変換室、１２
，１４，１５は排気路、Ａは排気路遮蔽手段。 Fig. 1 is a side view of the construction machine, Fig. 2 is a partially sectional plan view of an embodiment of the present invention, Fig. 3 is a sectional view taken along the line of Fig. 2, and Fig. 4 is an exhaust passage shielding means. A plan view of another embodiment, FIG. 5, is a sectional view taken along the line of FIG. 5 is a counterweight, 8 is a direction change room, 12
, 14, 15 are exhaust passages, and A is an exhaust passage shielding means.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] カウンタウエイト内に、排気管に接続される方
向変換室と、この方向変換室に接続されて排気ガ
スの放出方向の異なる複数の排気路とを形成し、
カウンタウエイトに、排気路を選択的に遮蔽する
排気路遮蔽手段を設けたことを特徴とする建設機
械用エンジンの排気装置。 A direction changing chamber connected to the exhaust pipe and a plurality of exhaust paths connected to the direction changing chamber and emitting exhaust gas in different directions are formed in the counterweight,
An exhaust system for an engine for construction machinery, characterized in that a counterweight is provided with an exhaust passage shielding means for selectively shielding an exhaust passage.