Patent · US Active

Rotor blade and rotor blade assembly for a turbomachine

US12146418B2 · kind B2 · utility

0Cited by

9References

18Claims

0Family size

Assignee

MTU Aero Engines AG · DE

Inventors

Jens Wittmer · Pfaffenhofen an der Ilm, DE
Markus Uecker · Munich, DE
Manfred Feldmann · Eichenau, DE

Key dates

Filing date	Jul 3, 2023
Grant date	Nov 19, 2024
Priority date	—
Expiry date	Jul 3, 2043

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF05D2250/711
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A rotor blade (20) for a rotor blade assembly (10) of a turbomachine (1) is provided, having an inner rotor blade platform (40) which extends axially from the rotor blade (20) with respect to a longitudinal turbomachine axis (2) and has two opposite circumferential end faces (41) and a free axial end (42) whose cross section is radially inwardly and radially outwardly bounded by circular arcs of two concentric circles. The inner rotor blade platform (40) has a cross section of connection (45) with the rotor blade (20) which is bounded radially inwardly by an inner connecting line (46) and radially outwardly by an outer connecting line (47). Each of the connecting lines (46, 47) has a central portion (61) having a convex curvature.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.