公开(公告)号：US07905709B2

公开(公告)日：2011-03-15

申请号：US10774400

申请日：2004-02-10

Applicant: Benjamin Arnette Lagrange ,  Timothy Brian Lloyd

Inventor： Benjamin Arnette Lagrange ,  Timothy Brian Lloyd

IPC: F01D5/30

CPC classification number: F01D5/3007 ,  F05D2250/70 ,  F05D2260/94 ,  F05D2260/941

Abstract: A turbine bucket and wheelpost assembly reduces the number of buckets in at least one of the stages of the turbine from 92 to 60 while reducing stresses at the assembly points of the buckets and wheelposts. The buckets and wheelposts being formed with complementary fillets and tangs that provide for the insertion of the bucket into the broach slot between two wheelposts. The angles of the tang surfaces on both the bucket and wheelpost range from 50° to 57°. The upper surface of the wheelpost is scalloped to reduce weight and the tangs and fillets of both the bucket and wheelpost are formed from curved and straight surfaces to reduce stresses on the assembly.

Abstract translation: 涡轮机桶和轮辋组件将涡轮机的至少一个级中的铲斗数量从92减少到60，同时减小了在铲斗和轮辋的组装点处的应力。 铲斗和轮辋形成有互补的圆角和柄脚，其用于将铲斗插入两个车轮柱之间的拉刀槽中。 铲斗和车轮柱两侧的铲斗表面的角度范围为50°至57°。 轮辋的上表面是扇形的，以减轻重量，铲斗和轮辋的柄脚和圆角由弯曲和直的表面形成，以减少组件上的应力。

公开(公告)号：US08079817B2

公开(公告)日：2011-12-20

申请号：US10774399

申请日：2004-02-10

Applicant: Benjamin Arnette Lagrange ,  Timothy Brian Lloyd

Inventor： Benjamin Arnette Lagrange ,  Timothy Brian Lloyd

IPC: F01D5/30

CPC classification number: F01D5/3007 ,  F05D2220/321 ,  F05D2220/3213

Abstract: A turbine bucket and wheelpost assembly reduces the number of buckets in the third stage of the turbine from ninety-two to ninety while reducing stresses at the assembly points of the buckets and wheelposts. The buckets and wheelposts are formed with complementary fillets and tangs that provide for the insertion of the bucket into the broach slot between two wheelposts. The angles of the fillets on both the bucket and wheelpost range from 50° to 59°. The upper surface of the wheelpost is scalloped to reduce weight and the tangs and fillets of both the bucket and wheelpost are formed from curved and straight surfaces to reduce stresses on the assembly.

Abstract translation: 涡轮机桶和轮胎组件将涡轮机第三级的铲斗数量从九十二减少到九十，同时减少了在铲斗和轮轨的装配点处的应力。 铲斗和轮辋形成有互补的鱼片和脚趾，其用于将桶插入两个车轮柱之间的拉刀槽中。 铲斗和轮辋两侧的鱼角角度范围为50°至59°。 轮辋的上表面是扇形的，以减轻重量，铲斗和轮辋的柄脚和圆角由弯曲和直的表面形成，以减少组件上的应力。