-
公开(公告)号：US09376917B2
公开(公告)日：2016-06-28
申请号：US13809701
申请日：2011-07-12
CPC分类号： F01D5/147 , F01D5/28 , F02K3/00 , F04D29/324 , F04D29/384 , F05D2220/36 , F05D2240/121 , F05D2240/303 , Y02T50/672 , Y02T50/673
摘要： A fan rotor blade includes a blade body constructed of a composite material, a blade root constructed of the composite material, and a sheath attached to a leading edge of the blade body. The sheath includes a sheath main body and a pair of joint flanges, and is segmented into a sheath base segment and a sheath top segment. The sheath top segment has a longer length than a length of the sheath base segment along a span direction. A sheath length of the sheath main body at an assumed impact position with an obstacle is not shorter than 10% chord and not longer than 60% chord. A sheath length of the sheath along an end edge of the fan rotor blade is not shorter than 40% chord. The fan rotor blade possesses sufficient impact resistance and can be simplified and light-weighted.
摘要翻译： 风扇转子叶片包括由复合材料构成的叶片主体，由复合材料构成的叶根，以及附接到叶片体前缘的鞘。 鞘包括护套主体和一对接合凸缘，并且被分割成护套基部段和护套顶部段。 护套顶部段沿长度方向具有比护套基部段长度更长的长度。 假设的具有障碍物的冲击位置处的护套主体的护套长度不小于10％的弦和不超过60％的弦。 沿着风扇转子叶片的端缘的护套的护套长度不小于40％的弦。 风扇转子叶片具有足够的抗冲击性，并且可以简化和轻量化。
-
公开(公告)号：US20130111908A1
公开(公告)日：2013-05-09
申请号：US13809701
申请日：2011-07-12
CPC分类号： F01D5/147 , F01D5/28 , F02K3/00 , F04D29/324 , F04D29/384 , F05D2220/36 , F05D2240/121 , F05D2240/303 , Y02T50/672 , Y02T50/673
摘要： A fan rotor blade includes a blade body constructed of a composite material, a blade root constructed of the composite material, and a sheath attached to a leading edge of the blade body. The sheath includes a sheath main body and a pair of joint flanges, and is segmented into a sheath base segment and a sheath top segment. The sheath top segment has a longer length than a length of the sheath base segment along a span direction. A sheath length of the sheath main body at an assumed impact position with an obstacle is not shorter than 10% chord and not longer than 60% chord. A sheath length of the sheath along an end edge of the fan rotor blade is not shorter than 40% chord. The fan rotor blade possesses sufficient impact resistance and can be simplified and light-weighted.
摘要翻译： 风扇转子叶片包括由复合材料构成的叶片主体，由复合材料构成的叶根，以及附接到叶片体前缘的鞘。 鞘包括护套主体和一对接合凸缘，并且被分割成护套基部段和护套顶部段。 护套顶部段沿长度方向具有比护套基部段长度更长的长度。 假设的具有障碍物的冲击位置处的护套主体的护套长度不小于10％的弦和不超过60％的弦。 沿着风扇转子叶片的端缘的护套的护套长度不小于40％的弦。 风扇转子叶片具有足够的抗冲击性，并且可以简化和轻量化。
-
搜索结果
2 条记录 (耗时 0.015 秒)