Pipes and tubular conduits – Plural duct – Surrounding radially spaced duct with axially spaced...
Patent
1988-10-21
1990-12-04
Bryant, III, James E.
Pipes and tubular conduits
Plural duct
Surrounding radially spaced duct with axially spaced...
138108, 138111, 138114, 138148, F16L 918
Patent
active
049746383
ABSTRACT:
A transition pipe for location between an afterburner pipe and a jet nozzle in a jet pipe assembly for a turbojet engine comprises a funnel shaped inner casing tapering downstream from a circular section at its upstream end to a quadrangular section at its downstream end, a horn shaped outer casing surrounding the inner casing and flared downstream from a circular upstream end section to a downstream end section formed of four joined segments of generally parabolic shape, and a plurality of peripherally spaced, longitudinally extending stiffeners interconnecting the inner and outer casings in the space therebetween.
REFERENCES:
patent: 2544538 (1951-03-01), Mahnken et al.
patent: 2795373 (1957-06-01), Hewson
patent: 2926490 (1960-03-01), Eaton et al.
patent: 3053283 (1962-09-01), Allen et al.
patent: 3224678 (1965-12-01), Rosman
patent: 3430663 (1969-03-01), Sickbert
patent: 4382401 (1983-05-01), Simmler
Gastebois Philippe M. D.
Jourdain Gerard E. A.
Loubet Marc G.
Bryant III James E.
Societe Nationale d'Etude de Construction de Moteurs d'Aviation
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