Exhaust outlet with cleaner
AssigneeDevil, societe anonyme
InventorPaul Deville
Life of this patent
Estimating the term…
Abstract
An exhaust outlet is disclosed, characterized by the presence of an intermediate expansion chamber (4) situated between a collector tube (3) and an outlet tube (5). The intermediate expansion chamber (4) comprises a first portion (6) with divergent walls and a second portion (7) with convergent walls. A discharge orifice (9) is formed in the central zone (8) of the expansion chamber. The expansion chamber (4) captures the particles brought by the gases and discharges them through the discharge orifice (9).
Claims13
Exhaust outlet intended to form the end zone of an internal combustion engine exhaust line, comprising:
- an inlet orifice with means for connection to an exhaust gas conduction duct,
- an outlet orifice open to the free air for the discharge of exhaust gases,
- a collector tube conducting the exhaust gases from the inlet orifice to an intermediate expansion chamber,
- an outlet tube conducting exhaust gases to the outlet orifice,
- said intermediate expansion chamber comprising a first portion with a divergent wall adjacent the junction with the collector tube and being connected by a central zone to a second portion, with a convergent wall wherein:
- the central wall zone of the intermediate expansion chamber comprises at least one dust and liquid discharge orifice formed in its lower part, the dust and liquid discharge orifice communicating freely and permanently with the outside atmosphere, and wherein
- the outlet tube is adjacent the convergent wall of the intermediate expansion chamber and conducts the exhaust gases from the intermediate expansion chamber to the outlet orifice.
Exhaust outlet intended to form the end zone of an internal combustion engine exhaust line, comprising:
- an inlet orifice with means for connection to an exhaust gas conduction duct,
- an outlet orifice open to the free air for the discharge of exhaust gases,
- a collector tube conducting the exhaust gases from the inlet orifice to an intermediate expansion chamber,
- an outlet tube conducting exhaust gases to the outlet orifice,
- said intermediate expansion chamber comprising a first portion with a divergent wall adjacent the junction with the collector tube and being connected by a central zone to a second portion, with a convergent wall wherein:
- the central wall zone of the intermediate expansion chamber comprises at least one dust and liquid discharge orifice formed in its lower part,
- the outlet tube is adjacent the convergent wall of the intermediate expansion chamber and conducts the exhaust gases from the intermediate expansion chamber to the outlet orifice, and wherein
- the outlet tube is substantially cylindrical and ends in a rounded flange bent back outwards.
Dependencies are inferred from the claim text.