Structural part comprising a flange and at least one exhaust gas

Details Structural part comprising a flange and at least one exhaust gas Structural part comprising a flange and at least one exhaust gas

1989-05-05

1990-06-05

Reese, Randolph A.

Pipe joints or couplings

End to side or plate

285286, 285332, 2281734, 2989008, F16L 500

Patent

active

049308173

ABSTRACT:
The invention refers to a structural part comprising a flange (6) and at least one exhaust gas tube (1) being inserted into a perforation (5) of the flange (6) and being connected therewith by a welding seam (11) arranged on the free end (2) of the exhaust gas tube (1), in particular to an exhaust gas bend for internal combustion engines. The end (4) of the exhaust gas tube (1) is reduced in diameter and tapers in opposite direction to the flow direction (8) of the exhaust gases. The wall (7) of the perforation (5) tapers with the same tapering angle (.alpha.) as does the end (4) of the exhaust gas tube (1). The tapering end (4) of the exhaust gas tube (1) snugly engages the wall (9) of the perforation (5) over at least part of the thickness (13) of the flange (6). The tapering end (4) of the exhaust gas tube (1) is seated within the tapering area (9) of the perforation (5) of the flange by press fit. On account of the firm seat of the tapered end (4) of the exhaust gas tube (1) within the tapered perforation (5), there are received all mechanical and thermal stresses acting at the connection area.

REFERENCES:
patent: 1810091 (1931-06-01), Seigle
patent: 1889795 (1932-12-01), Smith et al.
patent: 2498831 (1950-02-01), Veitch
patent: 2711912 (1955-06-01), Boice
patent: 3572770 (1971-03-01), Kagi
patent: 3589751 (1971-06-01), Esnaud
patent: 4013309 (1977-03-01), Quick
patent: 4082325 (1978-04-01), Laundy
patent: 4579273 (1986-04-01), Dahmen et al.
patent: 4674567 (1987-06-01), Keintzel et al.
patent: 4832383 (1989-05-01), Roussel

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