Patent ID: 8601801
Filing Date: 2013-12-10
Classification: E02F,F01N,Y02T

Abstract:
1. An exhaust assembly for a construction machine having a revolving upperstructure and an engine mounted on the revolving upperstructure, said exhaust assembly being arranged inside the revolving upperstructure of the construction machine, comprising: an after-treatment device for exhaust gas from the engine; and an exhaust pipe for releasing exhaust gas, which has been guided from an outlet port of the after-treatment device, to an outside of the exhaust pipe, wherein the exhaust pipe is arranged vertically on a body cover of the revolving upperstructure and includes a vertical portion that encloses a circumferential edge portion of the outlet port of the after-treatment device and a bent portion that bends from the vertical portion, and a concave-convex part, having plural concavities and convexities, extends in a direction of release of the exhaust gas and is arranged only on an inner wall of an upper part of the bent portion.