US 5,312,227 A · Turbine casing delimiting an annular gas flow stream divided by radial arms

Abstract

A turbine casing includes circumferential walls delimiting an annular stream for the flow of gases. The radial arms traversing the stream are completed by a channeling part on the downstream side which is bolted to the arms. The walls are formed of butt-joined tiles assembled together and joined to collars situated on the arms and the channeling parts by riveted ridge tiles. The invention results in a reduction of resistance to the flow of gases, as well as absorption without the production of excessive stresses of the original thermic dilations in the walls.

Claims14

Dependent claims

A turbine casing, comprising:

two concentric circumferential walls defining an annular gas flow stream;
a plurality of radial arms connected to the walls along first juncture lines and extending between the two walls, wherein the walls comprise plates connected at second juncture lines;
a juncture member provided at at least some of the second juncture lines, which includes two overlapping edges of either two of the plates, either one of the plates and one of the arms, wherein a border is secured to one of the edges and wherein the other of the edges is retained between the border and said one of the edges.

Dependencies are inferred from the claim text.

Turbine casing delimiting an annular gas flow stream divided by radial arms

Life of this patent

Turbine casing delimiting an annular gas flow stream divided by radial arms

Life of this patent

Abstract

Claims14