Patent · US Active

Turbine blade

US9915150B2 · kind B2 · utility

1Cited by

5References

17Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Stefan Dahlke · Bechen, DE
Tilman Auf dem Kampe · Charlotte, US
Marc Fraas · Bietigheim-Bissingen, DE

Key dates

Filing date	Aug 21, 2015
Grant date	Mar 13, 2018
Priority date	—
Expiry date	Aug 21, 2035

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF05D2260/202
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A turbine blade for a turbomachine having a turbine blade wall and a fluid channel having inlet channel section on the end region leading to the cold side, outlet channel section on the end region leading to the hot side, and central channel section therebetween having a circular cross-section constant along the length. The turbine blade forms an acute angle with the surface of the turbine blade wall over which hot gas flows, and has an intermediate channel section between the inlet and central channel sections, the intermediate channel section having a larger cross-sectional area than the central channel section. The central channel section connects to the intermediate channel section forming a shoulder surface formed on a wall region of the fluid channel and, on the opposing wall region, the intermediate and central channel sections merge with one another in a linear manner with a reduced shoulder height.

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