公开(公告)号：US20190218912A1

公开(公告)日：2019-07-18

申请号：US16234006

申请日：2018-12-27

Applicant: ROLLS-ROYCE plc

Inventor： Matthew D. CURREN ,  Matthew A C. HOYLAND

IPC: F01D5/02

CPC classification number: F01D5/02 ,  F01D5/3015 ,  F01D11/008 ,  F02K3/06 ,  F05D2220/32 ,  F05D2220/36 ,  F05D2240/24 ,  F05D2260/97

Abstract: An annulus filler (32, 132) for mounting on a rotor disc (24, 124) of fan (13, 113) of a gas turbine engine (10), the annulus filler (32, 132) including a top wall (42, 142) arranged to bridge a circumferential gap (34) between two adjacent fan blades (26, 126) extending from the rotor disc (24, 124), along an axial length of the fan blades (26, 126), wherein the top wall (42, 142) is arranged to define an airflow surface (36, 136) for air being drawn between the two adjacent fan blades (26, 126) in an axial direction, from a first end (30a, 130a) of the fan (13, 113), to a second end (30b, 130b) of the fan (13, 113); wherein the annulus filler (32, 132) defines a volume (68, 168) beneath the top wall (42, 142); and wherein the annulus filler (32, 132) further includes an end wall (70, 170) arranged to close the volume (68, 168) at the second end (30b, 130b) of the fan (13, 113), to form a windage shield.

公开(公告)号：US20160003057A1

公开(公告)日：2016-01-07

申请号：US14728618

申请日：2015-06-02

Applicant: ROLLS-ROYCE PLC

Inventor： Simon READ ,  Matthew D. CURREN

IPC: F01D5/20

CPC classification number: F01D5/20 ,  F05D2220/36 ,  F05D2260/37 ,  F05D2260/38 ,  F05D2300/501 ,  F05D2300/506

Abstract: A rotary blade tip insert for incorporation into a rotary blade, for example, a rotary fan blade in a gas turbine engine. The tip insert comprises a sleeve for insertion into a recess provided in said rotary blade. The sleeve has a radially outer end defining an opening, a radially inner end and opposing wall portions extending between said ends. The tip insert further comprises a tip element having a crown portion and a root portion for insertion into the opening of said sleeve.

Abstract translation: 用于结合到旋转刀片中的旋转刀片刀片插入件，例如在燃气涡轮发动机中的旋转风扇叶片。 尖端插入物包括用于插入设置在所述旋转叶片中的凹部中的套筒。 套管具有限定开口的径向外端，径向内端和在所述端部之间延伸的相对壁部。 尖端插入件还包括具有冠状部分和用于插入到所述套筒的开口中的根部的尖端元件。