EP 2932047 A4 20151209 - GAS TURBINE ENGINE FAN BLADE PLATFORM SEAL
Title (en)
GAS TURBINE ENGINE FAN BLADE PLATFORM SEAL
Title (de)
GEBLÄSESCHAUFELPLATTFORMDICHTUNG FÜR GASTURBINENMOTOR
Title (fr)
JOINT DE PLATEFORME DE PALE DE VENTILATEUR DE MOTEUR DE TURBINE À GAZ
Publication
Application
Priority
- US 201213715388 A 20121214
- US 2013070096 W 20131114
Abstract (en)
[origin: US2014169979A1] A fan section for a gas turbine engine includes a fan blade having an airfoil with an exterior surface. A platform seal is adhered to the airfoil. A fan section for a gas turbine engine includes a fan hub having a slot. A fan blade includes an airfoil extending from a root to a tip. The root is received in the slot. A platform is secured to the fan hub and is arranged between adjacent fan blades. A seal has a base secured to opposing sides of the fan blade and a flap integral with and extending from the base portion and canted toward the root and engaging the platform to provide a sealed inner flow path.
IPC 8 full level
F01D 11/08 (2006.01)
CPC (source: EP US)
F01D 5/3007 (2013.01 - EP US); F01D 11/008 (2013.01 - EP US); F05D 2220/36 (2013.01 - EP US); F05D 2250/75 (2013.01 - EP US); F05D 2300/437 (2013.01 - EP US); Y02T 50/60 (2013.01 - EP US)
Citation (search report)
- [XY] US 2012244007 A1 20120927 - MASON PAUL [GB]
- [XY] US 2436087 A 19480217 - BENSON ERNEST H
- [IY] US 2011037233 A1 20110217 - HARPER CEDRIC B [GB]
- [XY] GB 1331209 A 19730926 - SECR DEFENCE
- [XY] US 3451654 A 19690624 - JOHNSON KENNETH O
- [XY] US 7972113 B1 20110705 - DAVIES DANIEL O [US]
- [Y] US 6634863 B1 20031021 - FORRESTER JAMES MICHAEL [US], et al
- [Y] EP 0277884 A2 19880810 - SNECMA [FR]
- [Y] EP 1609952 A1 20051228 - GEN ELECTRIC [US]
- See references of WO 2014092925A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
US 2014169979 A1 20140619; EP 2932047 A1 20151021; EP 2932047 A4 20151209; WO 2014092925 A1 20140619
DOCDB simple family (application)
US 201213715388 A 20121214; EP 13862661 A 20131114; US 2013070096 W 20131114