Patent ID: 6062020
Filing Date: 2000-05-16
Classification: F01N,Y02A,Y02T

Abstract:
A manifold apparatus comprising:a manifold housing including(a) a plurality of inlets, wherein each inlet of the plurality of inlets is mounted immediately adjacent an internal combustion engine exhaust port;(b) a plurality of lead pipes, wherein each lead pipe of the plurality of lead pipes provides an exhaust gas flow passage between one of the inlets and a manifold plenum;(c) a planar wall sealingly affixed to each of the lead pipes at ends of the lead pipes distal from the plenum, a peripheral wall around a periphery of the planar wall, extending perpendicular to the planar wall, wherein the planar and the peripheral wall define a cavity; and(d) at least one catalyst coated substrate is located within the cavity and wherein the peripheral wall is in sealed engagement with the internal combustion engine.