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Turbine rotor

Abstract

The feet of rotor blades, with their trapezoidal or dove-tailed cross-sections are, as usual, fastened in corresponding grooves in the drive shaft. The juntion of the groove flank, which, on its outer end, runs radially to the axis of the drive shaft, to the cylinder surface of the drive shaft between the grooves, therefore vertically to the first level takes place not relatively sharp-edged or with only little edge radius, but rather takes place in increasing radii which vary throughout the circumference. The touching of surfaces with the radial blade foot which exits the groove can thus be tight or at a normal assembly tolerance. Avoidance or reduction of load-tension concentrations and of unbalanced load distribution on the foot anchors of the rotor blades is possible. Ceramic and other brittle material can be used besides monolithic materials, and also fiber-reinforced metallic or inorganic and organic composite materials such as boron/aluminum, graphite/epoxy, 'Borsic'-titanium, as well as other organic polymer materials like silicon resin.
Authors:
Publication Date:
Oct 09, 1975
Product Type:
Patent
Report Number:
DE 2512347; A
Reference Number:
ERA-03-003188; EDB-77-144936
Subject:
20 FOSSIL-FUELED POWER PLANTS; ROTORS; SUPPORTS; DESIGN; FABRICATION; MATERIALS; SPECIFICATIONS; TURBINE BLADES; TURBINES; MECHANICAL STRUCTURES; TURBOMACHINERY; 200104* - Fossil-Fueled Power Plants- Components
OSTI ID:
7299310
Country of Origin:
Germany
Language:
German
Submitting Site:
DE
Size:
Pages: 17
Announcement Date:
May 13, 2001

Citation Formats

Norbut, T G.J. Turbine rotor. Germany: N. p., 1975. Web.
Norbut, T G.J. Turbine rotor. Germany.
Norbut, T G.J. 1975. "Turbine rotor." Germany.
@misc{etde_7299310,
title = {Turbine rotor}
author = {Norbut, T G.J.}
abstractNote = {The feet of rotor blades, with their trapezoidal or dove-tailed cross-sections are, as usual, fastened in corresponding grooves in the drive shaft. The juntion of the groove flank, which, on its outer end, runs radially to the axis of the drive shaft, to the cylinder surface of the drive shaft between the grooves, therefore vertically to the first level takes place not relatively sharp-edged or with only little edge radius, but rather takes place in increasing radii which vary throughout the circumference. The touching of surfaces with the radial blade foot which exits the groove can thus be tight or at a normal assembly tolerance. Avoidance or reduction of load-tension concentrations and of unbalanced load distribution on the foot anchors of the rotor blades is possible. Ceramic and other brittle material can be used besides monolithic materials, and also fiber-reinforced metallic or inorganic and organic composite materials such as boron/aluminum, graphite/epoxy, 'Borsic'-titanium, as well as other organic polymer materials like silicon resin.}
place = {Germany}
year = {1975}
month = {Oct}
}