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Guide vane apparatus for a gas turbine engine

一种废气涡轮、导向器的技术，应用在导向器领域，能够解决滑动副偶件磨损等问题，达到简单成本的效果

Inactive Publication Date: 2007-11-14
ABB TURBO SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The relative movement of the balls on the surface of the groove wall and the high surface pressure during operation cause wear on the sliding couple

Method used

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  • Guide vane apparatus for a gas turbine engine
  • Guide vane apparatus for a gas turbine engine
  • Guide vane apparatus for a gas turbine engine

Examples

Experimental program
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Embodiment Construction

[0022] Identical reference numerals refer to identically acting components in all figures. The turbine part of the exhaust gas turbocharger is shown in FIG. 8 . The exhaust gas turbine comprises a shaft-mounted turbine 6 , rotatable about an axis, with a blade carrier 62 and rotor blades 61 fastened thereto. Furthermore, the exhaust gas turbine comprises a turbine body and a guide with a rim of adjustable guide vanes 11 arranged axisymmetrically with respect to the turbine axis and a swivel. The guide vanes can each be swiveled into any desired angular position between two end positions by rotation about the radially oriented rotatably mounted vane shaft 12 .

[0023] The turbine blade support is fastened at one end of a shaft which is guided in an airtight manner from the housing to a bearing point not shown and which supports the compressor at its other end, also not visible in FIG. 8 rotor.

[0024] The turbine body comprises an inlet housing 71 with an axisymmetrically ...

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PUM

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Abstract

A blade shaft (12) is applied to each of the stator blades (11) of the stator arrangement in the exhaust turbine. The blade shaft is mounted such that the outwardly running part thereof rotates about the pivot axis. The pivot device comprises an adjuster ring (3), arranged outside the flow channel such as to rotate about the turbine axis and adjuster levers (2), transmitting torque from the adjuster ring to the blade shaft of each stator blade. The adjuster lever has one end (22) attached to the blade shaft (12). The adjuster levers run with the other end (25) thereof, embodied as a spherical head, in grooves (4) on the adjuster ring. The surface acting on the spherical head for transmission of torque from the adjuster ring to the blade shaft of each stator blade is embodied in the form of a ball socket. A large area of even pressure distribution is thus achieved, which significantly reduces the wear of the contacting parts.

Description

technical field [0001] The invention relates to a guide according to the preamble of claim 1 . The guide is upstream of the axially inflowing exhaust gas turbine and has guide vanes arranged axisymmetrically with respect to the turbine axis in the flow channel guiding the exhaust gas, which are each pivotable about a radially directed axis, the guide There is also a swivel device for adjusting the guide vanes about the swivel axis. With this guide, the size of the cross-section of the flow channel through which the exhaust gas flows can be changed by turning the guide vanes, and the exhaust gas turbine can thus be adapted to a changing exhaust gas flow in a particularly advantageous manner, as in the case of an internal combustion engine supplying exhaust gas, for example at part load. The exhaust gas flow that occurs during operation is the same. Background technique [0002] Such guides are described, for example, in DE 10013335 A1. In this guide, an adjusting ring is a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01D17/16
CPCF01D17/162F05D2220/40
Inventor J·巴蒂格R·多特尔
Owner ABB TURBO SYST
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