Patent ID: 8091354
Filing Date: 2012-01-10
Classification: F01N,Y02T

Abstract:
1. An exhaust assembly comprising a housing having an inlet receiving exhaust, an outlet discharging said exhaust, an interior chamber through which said exhaust flows from upstream to downstream from said inlet along a downstream direction to said outlet an exhaust pipe extending from said outlet and directing said exhaust to atmosphere, said housing extending axially along an axis having at least a partial vector component extending horizontally, a water trap in said housing downstream of said interior chamber and upstream of said outlet and blocking water which may enter said exhaust pipe from flowing along an upstream direction into said interior chamber, said water trap blocking upstream water flow at a plurality of angular positions of said housing about said axis, wherein said exhaust flows through said interior chamber along a flow direction parallel to said axis, wherein said housing has a plurality of water drains at a respective plurality of angular positions about said axis, said water drains being arcuately spaced from each other about said axis, such that: in one of said angular positions of said housing about said axis, one of said water drains is gravitationally lower than another of said water drains, such that exhaust flows out of said other water drain, and water in said housing flows out of said one water drain until dry; in another of said angular positions of said housing about said axis, said other of said water drains is gravitationally lower than said one of said water drains, such that exhaust flows out of said one water drain, and water in said housing flows out of said other water drain until dry.