Watercooled exhaust manifold and method of making same

Details Watercooled exhaust manifold and method of making same Watercooled exhaust manifold and method of making same

1977-08-08

1979-12-25

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

Exhaust gas or exhaust system element heated, cooled, or...

29157R, 29455R, 60322, 60323, F01N 706, F01N 710

Patent

active

041798848

ABSTRACT:
A water-cooled engine exhaust manifold has an internal exhaust conduit or heat sheild comprised of a plurality of axially shiftable sections through which the hot exhaust gases pass from the engine to a hot gas turbocharger. A casing encircles the exhaust conduit and is held in spaced relationship to the exhaust conduit so as to provide dead air space or other insulating material space for insulating the hot exhaust gases from the casing. An outer shell encircles the casing and is sealed to exhaust inlet elbows and to fluid inlet flanges to provide a water jacket to cool the surface of the casing. The exhaust inlet elbows communicate with each different section of the exhaust conduit. Clearance is provided between the ends of each section of the exhaust conduit to permit expansion and axial shifting of the sections of the exhaust conduit without, in any way, interfering with the function and operation of the fluid-cooled jacket of the manifold. A novel method for assembling the sections of the exhaust conduit and the other parts of the manifold is provided.

REFERENCES:
patent: 2125703 (1938-08-01), Williams
patent: 2886945 (1959-05-01), Hofer
patent: 3169365 (1965-02-01), Benjamen
patent: 3324533 (1967-06-01), Watteau
patent: 3581494 (1971-06-01), Scheiflin
patent: 3750403 (1973-08-01), Deutschmann
patent: 3850453 (1974-11-01), Bentley
patent: 3921398 (1975-11-01), Kashmerick

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