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Turbocharger and system for compressor wheel-burst containment

a technology of compressor wheel and containment tube, which is applied in the direction of positive displacement liquid engine, combustion air/fuel air treatment, piston pump, etc., can solve the problems of compressor wheel extreme mechanical stress, wheel fracture, damage to the turbocharger housing and/or the engine,

Inactive Publication Date: 2014-02-27
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

The patent aims to solve the problem of incomplete information in a relational database. It introduces a new feature that allows a user to easily find and access specific parts of a database. The "technical effect" of this patent is to improve the efficiency and accuracy of searching for and retrieving information in a database.

Problems solved by technology

Rotating at high speed against a significant head pressure, the compressor wheel is subject to extreme mechanical stress during engine operation.
If the compressor wheel is defective, such stress may cause the wheel to fracture.
In some scenarios, fracture of the compressor wheel may cause the wheel to burst into fragments, resulting in damage to the turbocharger housing and / or the engine.
In particular, high-velocity fragments that break through the compressor-wheel housing may damage various other engine components, cause injury, etc.
The extent of the damage may be limited, however, if the fragments of the burst compressor wheel remain confined within the housing.
Chosen for performance and manufacturing objectives, the gauge of the housing may not be adequate to contain the high-velocity fragments released during a compressor wheel burst.
However, this solution adds to the complexity and manufacturing cost of the engine, and makes the turbocharger more difficult to service.

Method used

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  • Turbocharger and system for compressor wheel-burst containment
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  • Turbocharger and system for compressor wheel-burst containment

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Embodiment Construction

[0013]Aspects of this disclosure will now be described by example and with reference to the illustrated embodiments listed above. Components, process steps, and other elements that may be substantially the same in one or more embodiments are identified coordinately and are described with minimal repetition. It will be noted, however, that elements identified coordinately may also differ to some degree. Except where particularly noted, the drawing figures included in this disclosure are schematic and generally not drawn to scale. Rather, the various drawing scales, aspect ratios, and numbers of components shown in the figures may be purposely distorted to make certain features or relationships easier to see.

[0014]FIG. 1 schematically shows aspects of an exemplary diesel-electric locomotive 10. The term ‘exemplary’ is applied herein to articles described or illustrated by way of example; it does indicate that the articles, as described or illustrated, are necessarily superior to other...

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Abstract

A turbocharger includes a turbine disc, a compressor wheel mechanically coupled to the turbine disc, and a single-walled air inlet. Made of ductile iron, the air inlet is configured to admit air to the compressor wheel and to provide clearance for rotation of the compressor wheel.

Description

TECHNICAL FIELD[0001]Embodiments relate to engines and engine systems. Other embodiments relate to protecting an engine system from damage due to compressor wheel burst.BACKGROUND[0002]Vehicles may be powered by engines. For example, a locomotive may be powered by one or more diesel engines. Each engine may include at least one turbocharger, which compresses the intake air charge using energy from expanding engine exhaust. A turbocharger generally includes an exhaust-driven turbine disc mechanically coupled to a compressor wheel. Rotating at high speed against a significant head pressure, the compressor wheel is subject to extreme mechanical stress during engine operation. If the compressor wheel is defective, such stress may cause the wheel to fracture. In some scenarios, fracture of the compressor wheel may cause the wheel to burst into fragments, resulting in damage to the turbocharger housing and / or the engine. In particular, high-velocity fragments that break through the compre...

Claims

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Application Information

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IPC IPC(8): F01D25/26F01D1/02
CPCF01D15/02F01D21/045F02B39/16F02C7/04F04D29/023F04D29/4213F05D2220/40F05D2300/111F05D2300/518
Inventor PANAMBUR, SURESHA KUMARKUMAR, RAMESH KOTHAPRABHAKAR, NAGAMOHAN GOVINAHALLISELWYN VICTOR, ANDREW THEOGIFT JEYANTH
Owner GENERAL ELECTRIC CO
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