Exhaust gas manifold

Claim 2

An exhaust gas manifold for an internal combustion engine, comprising an enclosed outer shell, a plurality of first inlet conduits and a first outlet conduit on said outer shell, an enclosed intermediate shell carried within said outer shell, a second outlet conduit on said intermediate shell projecting outwardly into said first outlet conduit, an inner shell carried within said intermediate shell in open communication therewith, means for permitting said intermediate shell to longitudinally expand and contract with respect to said outer shell, a plurality of second inlet conduits in open communication with said inner shell and projecting outwardly from openings formed in said intermediate shell into said first inlet conduits and means for permitting said inner shell to longitudinally expand and contract with respect to said intermediate shell and said second inlet and outlet conduits.

Claim 3

An exhaust gas manifold as set forth in claim 1 with the addition that means are provided for supporting said intermediate shell in spaced relation to said outer shell.

Claim 4

An exhaust gas manifold as set forth in claim 1 with the addition that a collar is mounted in said first outlet conduit and said second outlet conduit is slidably received in said collar whereby said first and second outlet conduits are disposed in spaced relation to each other and said second outlet conduit is movable with respect to said first outlet conduit.

Claim 5

An exhaust gas manifold for an internal combustion engine, comprising an enclosed outer shell, a plurality of first inlet conduits and a first outlet conduit on said outer shell, an enclosed intermediate shell carried within said outer shell, a second outlet conduit on said intermediate shell projecting outwardly into said first outlet conduit, an inner shell carried within said intermediate shell in open communication therewith, and a plurality of second inlet conduits in open communication with said inner shell and projecting outwardly from openings formed in said intermediate shell into said first inlet conduits, each of said intermediate and inner shells comprising a plurality of longitudinally extending slidably interfit sleeves with a pair of caps mounted on the sleeves of the intermediate shell at the opposite ends thereof.

Claim 6

An exhaust gas manifold for an internal combustion engine, comprising an enclosed outer shell, a plurality of first inlet conduits and a first outlet conduit on said outer shell, an enclosed intermediate shell carried within said outer shell, a second outlet conduit on said intermediate shell projecting outwardly into said first outlet conduit, an inner shell carried within said intermediate shell in open communication therewith, and a plurality of second inlet conduits in open communication with said inner shell and projecting outwardly from openings formed in said intermediate shell into said first inlet conduits, each of said intermediate and inner shells comprising a plurality of longitudinally extending slidably interfit sleeves with a pair of caps mounted on the sleeves of the intermediate shell at the opposite ends thereof.

Claim 7

An exhaust gas manifold as set forth in claim 4 in which means are interposed between said outer shell and each of the sleeves forming the intermediate shell for holding said intermediate and outer shells in spaced relation to each other.

Claim 8

An exhaust gas manifold as set forth in claim 4 in which the outermost ends of the outermost pair of sleeves forming said inner shell are spaced from said pair of end caps.

Claim 9

An exhaust gas manifold for an internal combustion engine, comprising an enclosed outer shell, a plurality of first inlet conduits and a first outlet conduit on said outer shell, an enclosed intermediate shell carried within said outer shell, a second outlet conduit on said intermediate shell projecting outwardly into said first outlet conduit, an inner shell carried within said intermediate shell in open communication therewith, said inner shell comprising a plurality of longitudinally extending sleeves with each of said sleeves being slidably interfit in the next adjacent sleeve, and a plurality of second inlet conduits in open communication with said inner shell and projecting outwardly from the openings formed in said intermediate shell into said first inlet conduits.

Claim 10

An exhaust gas manifold for an internal combustion engine, comprising an enclosed outer shell, a plurality of first inlet conduits and a first outlet conduit on said outer shell, an enclosed intermediate shell carried within said outer shell, a second outlet conduit on said intermediate shell projecting outwardly into said first outlet conduit, an inner shell carried within said intermediate shell in open communication therewith, said inner shell comprising a plurality of longitudinally extending sleeves with each of said sleeves being slidably interfit in the next adjacent sleeve, and a plurality of second inlet conduits in open communication with said inner shell and projecting outwardly from the openings formed in said intermediate shell into said first inlet conduits.

Claim 11

An exhaust gas manifold for an internal combustion engine, comprising an enclosing outer shell, a plurality of first inlet conduits and a first outlet conduit on said outer shell, an enclosed intermediate shell carried within said outer shell, a second outlet conduit on said intermediate shell projecting outwardly into said first outlet conduit, an inner shell carried within said intermediate shell in open communication therewith, a plurality of second inlet conduiTs in open communication with said inner shell and projecting outwardly from openings formed in said intermediate shell into said first inlet conduits, said inner shell comprising a plurality of longitudinally extending sleeves, each of said sleeves being slidably interfit with the next adjacent sleeve, one of said second inlet conduits being in open communication with each of said sleeves, and means on said second inlet conduits for mounting them on said sleeves and interconnecting said sleeves and intermediate shell.

Claim 12

An exhaust gas manifold for an internal combustion engine, comprising an enclosing outer shell, a plurality of first inlet conduits and a first outlet conduit on said outer shell, an enclosed intermediate shell carried within said outer shell, a second outlet conduit on said intermediate shell projecting outwardly into said first outlet conduit, an inner shell carried within said intermediate shell in open communication therewith, a plurality of second inlet conduiTs in open communication with said inner shell and projecting outwardly from openings formed in said intermediate shell into said first inlet conduits, said inner shell comprising a plurality of longitudinally extending sleeves, each of said sleeves being slidably interfit with the next adjacent sleeve, one of said second inlet conduits being in open communication with each of said sleeves, and means on said second inlet conduits for mounting them on said sleeves and interconnecting said sleeves and intermediate shell.

Claim 13

An exhaust gas manifold for an internal combustion engine, comprising an enclosed outer shell, a plurality of first inlet conduits and a first outlet conduit on said outer shell, an enclosed intermediate shell carried within said outer shell, a second outlet conduit on said intermediate shell projecting outwardly into said first outlet conduit, an inner shell carried within said intermediate shell in open communication therewith, a plurality of second inlet conduits in open communication with said inner shell and projecting outwardly from openings formed in said intermediate shell into said first inlet conduits, each of said intermediate and inner shells comprising a plurality of longitudinally extending slidably interfit sleeves in the form of closed curves, said second inlet conduit being mounted in an inlet opening in one of the intermediate shell-forming sleeves, each of said second inlet conduits being mounted in aligned inlet openings in the inner and intermediate shell-forming sleeves, each of said inner shell-forming sleeves abutting one of the intermediate shell-forming sleeves adjacent their aligned inlet openings, and means on each of said inlet conduits for interconnecting each pair of inner and intermediate shell-forming sleeves at their aligned inlet openings.

Claim 14

An exhaust gas manifold for an internal combustion engine, comprising an enclosed outer shell, a plurality of first inlet conduits and a first outlet conduit on said outer shell, an enclosed intermediate shell carried within said outer shell, a second outlet conduit on said intermediate shell projecting outwardly into said first outlet conduit, an inner shell carried within said intermediate shell in open communication therewith, a plurality of second inlet conduits in open communication with said inner shell and projecting outwardly from openings formed in said intermediate shell into said first inlet conduits, each of said intermediate and inner shells comprising a plurality of longitudinally extending slidably interfit sleeves in the form of closed curves, said second inlet conduit being mounted in an inlet opening in one of the intermediate shell-forming sleeves, each of said second inlet conduits being mounted in aligned inlet openings in the inner and intermediate shell-forming sleeves, each of said inner shell-forming sleeves abutting one of the intermediate shell-forming sleeves adjacent their aligned inlet openings, and means on each of said inlet conduits for interconnecting each pair of inner and intermediate shell-forming sleeves at their aligned inlet openings.

Claim 15

An exhaust gas manifold for an internal combustion engine, comprising an enclosed outer shell, a plurality of first inlet conduits and a first outlet conduit on said outer shell, an enclosed intermediate shell carried within said outer shell, a second outlet conduit on said intermediate shell projecting outwardly into said first outlet conduit, an inner shell carried within said intermediate shell in open communication therewith, and a plurality of second inlet conduits in open communication with said inner shell and projecting outwardly from openings formed in said intermediate shell into said first inlet conduit, said intermediate shell comprising a plurality of slidably interfit sleeves, means closing the ends of said intermediate shell, and said inner shell comprising a plurality of plates mounted in and extending across said sleeves with each of said plates being slidably interfit with the next adjacent plate.

Claim 16

An exhaust gas manifold for an internal combustion engine, comprising an enclosed outer shell, a plurality of first inlet conduits and a first outlet conduit on said outer shell, an enclosed intermediate shell carried within said outer shell, a second outlet conduit on said intermediate shell projecting outwardly into said first outlet conduit, an inner shell carried within said intermediate shell in open communication therewith, and a plurality of second inlet conduits in open communication with said inner shell and projecting outwardly from openings formed in said intermediate shell into said first inlet conduit, said intermediate shell comprising a plurality of slidably interfit sleeves, means closing the ends of said intermediate shell, and said inner shell comprising a plurality of plates mounted in and extending across said sleeves with each of said plates being slidably interfit with the next adjacent plate.

Claim 17

An exhaust gas manifold as set forth in claim 10 in which the outermost ends of the outermost pair of plates forming said inner shell are spaced from said means closing the ends of said intermediate shell.

Claim 18

An exhaust gas manifold as set forth in claim 10 in which at least one of said plates has a plurality of openings formed therein.

Claim 19

An exhaust gas manifold for an internal combustion engine, comprising an enclosed outer shell, a plurality of first inlet conduits and a first outlet conduit on said outer shell, an enclosed intermediate shell carried within said outer shell, a second outlet conduit on said intermediate shell projecting outwardly into said first outlet conduit, an inner shell carried within said intermediate shell in open communication therewith, a plurality of second inlet conduits in open communication with said inner shell and projecting outwardly from openings formed in said intermediate shell into said first inlet conduits, said intermediate shell comprising a plurality of slidably interfit sleeves, means closing the ends of said intermediate shell, said inner shell comprising a plurality of plates mounted in and extending across said sleeves, each of said plates being slidably interfit with the next adjacent plate, said second inlet cOnduit being mounted on one of said sleeves, and one of said second inlet conduits being mounted on each of said sleeves.

Claim 20

An exhaust gas manifold for an internal combustion engine, comprising an enclosed outer shell, a plurality of first inlet conduits and a first outlet conduit on said outer shell, an enclosed intermediate shell carried within said outer shell, a second outlet conduit on said intermediate shell projecting outwardly into said first outlet conduit, an inner shell carried within said intermediate shell in open communication therewith, a plurality of second inlet conduits in open communication with said inner shell and projecting outwardly from openings formed in said intermediate shell into said first inlet conduits, said intermediate shell comprising a plurality of slidably interfit sleeves, means closing the ends of said intermediate shell, said inner shell comprising a plurality of plates mounted in and extending across said sleeves, each of said plates being slidably interfit with the next adjacent plate, said second inlet cOnduit being mounted on one of said sleeves, and one of said second inlet conduits being mounted on each of said sleeves.

Claim 21

An exhaust gas manifold as set forth in claim 1 with the addition that said first inlet and outlet conduits are movable with respect to said second inlet and outlet conduits, respectively.