Patent ID: 7174709

Claim:
In a diesel exhaust system comprising: an exhaust manifold capable of receiving hot exhaust gases exiting from a diesel engine, said exhaust manifold having multiple receiving chambers; a turbocharger capable of recovering energy from said hot gases; and a screen assembly provided between the exhaust manifold and the turbocharger, which screen assembly is capable of preventing metal parts exiting from the exhaust manifold from passing into the turbocharger, the improvement comprising said screen assembly comprising a metal screen reversibly immobilized interior a screen holding means, which holding means permits external loosening of a flange member and removal of the interior screen without detaching the screen holding means from the screen assembly, wherein the metal screen comprises a plurality of uniformly spaced, parallel wires each having a V-shaped profile, said wires being linked together by a metal band irreversibly joined to the ends of each wire.