Exhaust passage

• Main Author: ASANO MASAHIKO
• Format: Patent
• Language: Chinese; English
• Published: 29.07.2022
• Subjects: BLASTING; ENGINE PLANTS IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL; HEATING; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; STEAM ENGINES; WEAPONS

The present invention provides an exhaust passage having a protruding portion that suppresses heat from gas and has high heat resistance and reliability. An exhaust passage has: an exhaust pipe; and a protruding part which is continuously provided on the inner surface of the exhaust pipe within a partial range in the circumferential direction, is inclined in the direction in which the exhaust pipe extends, and has a cross-sectional area that becomes smaller toward the downstream side of the exhaust pipe, the protruding part having a convex part on the inner surface of the protruding part. 本发明提供一种具有抑制来自气体的受热而耐热可靠性高的突出部的排气通道。一种排气通道，具有：排气管；突出部，其在所述排气管的内表面上连续地设置在圆周方向的一部分的范围内，并在所述排气管的延伸方向上倾斜，越靠近排气管的下游侧而截面积越变小，在所述突出部的内侧表面具有凸部。