Device for axial securing of blade feet of a gas turbine disk
US4470756A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 7, 1983 |
| Grant date | Sep 11, 1984 |
| Priority date | — |
| Expiry date | Apr 7, 2003 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01D5/3015
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The device has two ring segments (13) held in a circumferential score (11) provided in one edge of the upper surface (8) of the rotor disk. These ring segments consist of a portion of a cylindrical band (17) on whose edges are provided two collars (18, 19) of unequal thickness. The thicker collar (18) is placed between the upper wall of the transverse score (7) made in the projection (6) and the upper wall (8) of the rotor (1). The cylindrical band (17) works in conjunction with the bottom of the circumferential score (11). The thinnest collar (19) leans against the upper wall of the groove. The two segments placed end to end leave between them a space corresponding to the width of one axial notch. By displacing the ring segments in the score, the space is brought opposite the blade to be changed. The locking ring has two pins (21) which engage between the ends of the ring segments and block them in position. Other types of applications are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.