Patent ID: 11149621

Abstract:
An exhaust pipe assembly includes: an exhaust cavity; an exhaust port (234) and at least two air inlets (115) communicating with the exhaust cavity, the exhaust port (234) being disposed at an end of the exhaust pipe assembly; and a water inlet (114), a first part of a water inlet cavity (111), a second part of a water inlet cavity, a water counterflow cavity, and a water outlet (311) that are provided in the exhaust pipe assembly. The water inlets (114) are provided in the same number as the air inlets (115). The first part of the water inlet cavity (111) communicates with the first water inlet portion (114). The second part of the water inlet cavity communicates with the second water inlet portion (114). The water counterflow cavity communicates with the end of the second part of the water inlet cavity located at the exhaust port (234) of the exhaust pipe assembly. The water outlet (311) is disposed at a second end of the exhaust pipe assembly. The first part of the water inlet cavity (111) and the water counterflow cavity each communicate with the water outlet (311).