Grommeted bypass duct penetration

Details Grommeted bypass duct penetration Grommeted bypass duct penetration

F - Mech Eng,Light,Heat,Weapons

01

D

F01D 9/06 (2006.01) F01D 11/00 (2006.01) F16L 5/10 (2006.01)

Patent

CA 2509935

A bypass duct sealing grommet (28) for sealing between an opening (24) in a gas turbine engine bypass duct wall (13) and the external surface of a projection (199 extending through the opening (24). Conventionally, the intersection between the projection (19) and the sheet metal bypass duct wall (13) requires accurate fitting and welding, but cannot then accommodate thermal expansion and contraction. The grommet (28) enables an oversized opening for relative thermal motion and simplifies manufacture. The grommet (28) has an annular body with a central aperture (29) adapted to seal against the external surface of the projection (19) and two flangers (30,31) defining an external slot (32) about an exterior periphery of the body to contain and seal the bypass duct wall (13) between the flanges.

L'invention concerne un oeillet d'étanchéification (28) d'un canal de dérivation servant à étanchéifier un espace entre une ouverture (24) ménagée dans une paroi du canal de dérivation (13) d'une turbine à gaz et la surface extérieure d'une saillie (19) s'étendant à travers l'ouverture (24). De façon classique, l'intersection de la saillie (19) et de la paroi du canal de dérivation (13) de la tôle requiert un ajustage et un soudage précis, mais ne s'accomode pas d'une dilatation ou d'une contraction thermique. L'oeillet (28) offre une ouverture surdimensionnée assurant un mouvement thermique relatif et simplifie la fabrication. L'oeillet (28) présente un corps annulaire muni d'une ouverture centrale (29) adaptée pour se fermer hemétiquement contre la surface extérieure de la saillie (19); et deux brides (30, 31) délimitant une fente extérieure (32) autour d'une périphérie extérieure du corps pour contenir et étanchéifier la paroi du canal de dérivation (13) entre les brides.

Affiliated with

Also associated with

Rating

Grommeted bypass duct penetration does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Grommeted bypass duct penetration, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Grommeted bypass duct penetration will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1595787