Patent · US Active

Steam turbine having bearing struts

US8550773B2 · kind B2 · utility

6Cited by

8References

11Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Henning Almstedt · Wetter (Ruhr), DE
Stefan Essink · Nideggen, DE
Norbert Pieper · Olfen, DE
Mark-Andre Schwarz · Xanten, DE
Kais Sfar · Wetter (Ruhr), DE

Key dates

Filing date	Nov 30, 2006
Grant date	Oct 8, 2013
Priority date	—
Expiry date	Oct 16, 2029

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF01D25/162
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A steam turbine having an exhaust-steam casing for directing an exhaust-steam mass flow, a shaft bearing for mounting a turbine shaft, and at least two bearing struts, by means of which the shaft bearing is fastened to the exhaust-steam casing, is characterized according to the invention in that each of the at least two bearing struts has a cooling cavity arranged in the respective bearing strut for directing a coolant, and the cooling cavities of the at least two bearing struts are connected in a fluidically conductive manner via a closed-off connecting cavity in the region of the shaft bearing.

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