Power plants – Internal combustion engine with treatment or handling of... – Common receiver having inlets from plural cylinder
Reexamination Certificate
2005-04-05
2005-04-05
Tran, Binh Q. (Department: 3748)
Power plants
Internal combustion engine with treatment or handling of...
Common receiver having inlets from plural cylinder
C060S272000, C060S282000, C060S312000, C060S322000
Reexamination Certificate
active
06874317
ABSTRACT:
A double pipe exhaust manifold includes an inner pipe, an outer pipe formed in a cylindrical shape by joining at least one side edge thereof by welding, a space retaining member disposed in an annular space defined between the inner pipe and the outer pipe, a connection pipe connecting to a exhaust gas recirculation valve, and a mesh ring. Opening holes are formed in the inner pipe and the outer pipe so that the opening holes are opposed to each in a radial direction of the pipes. The connection pipe is connected to the opening hole of the outer pipe. The mesh ring is interposed between the inner pipe and the outer pipe in a state that the mesh ring plugs an annular opening part defined between opening edges of the opening holes.
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Amada Katsumi
Azuma Satoshi
Sugaya Daisuke
Calsonic Kansei Corporation
Foley & Lardner LLP
Tran Binh Q.
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