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Geared inlet guide vane for a centrifugal compressor

A technology of imported blades and compressors, applied to components of pumping devices for elastic fluids, machines/engines, mechanical equipment, etc., can solve problems such as undesired efficiency and capacity changes

Active Publication Date: 2009-01-21
INGERSOLL RAND IND U S INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Variations in some of these parameters may produce undesired changes in efficiency and capacity

Method used

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  • Geared inlet guide vane for a centrifugal compressor
  • Geared inlet guide vane for a centrifugal compressor
  • Geared inlet guide vane for a centrifugal compressor

Examples

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Embodiment Construction

[0021] Before any embodiments of the invention are described in detail, it is to be understood that the invention is not limited in its application to the details of construction and arrangement of parts illustrated in the following description or illustrated in the drawings. The invention is capable of other embodiments and of being practiced or carried out in various ways. Also, it is to be understood that phrases and terms used herein are for the purpose of description and should not be regarded as limiting. Use of "including," "comprising," or "having" and variations thereof herein is intended to mean possessing the items listed thereafter and their equivalents as well as other additional items. Unless otherwise indicated or limited, the terms "assemble", "connect", "support" and "coupling" and variations thereof are used broadly to include direct and indirect assembling, connecting, supporting and coupling. Furthermore, "connected" and "coupled" are not limited to physic...

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Abstract

A compressor assembly has a fluid inlet positioned to facilitate the passage of a fluid. The compressor assembly includes a compressor housing defining a compressor inlet and an impeller rotatably supported at least partially within the compressor housing. The impeller includes an inducer portion. A fluid treatment member is disposed adjacent the compressor housing and between the compressor inlet and the inducer portion and an inlet vane assembly I disposed adjacent the compressor inlet and includes a plurality of vanes. Each of the vanes is movable between a first position and a second position to control the quantity of fluid that passes to the impeller.

Description

[0001] relevant application data [0001] This application claims the benefit of co-pending U.S. Provisional Application No. 60 / 755,252, filed December 30, 2005, under 35 U.S.C. § 119(e), the contents of which are hereby incorporated herein in their entirety Reference. technical field [0002] This invention relates to inlet guide vane arrangements for controlling the flow and pressure ratio of centrifugal compressors or stages of centrifugal compressors. More specifically, the present invention relates to adjustable inlet guide vanes for varying flow through a compressor or compressor stage. Background technique [0003] Compressors, and more specifically centrifugal compressors, can operate over a wide range of operating parameters. Variations in some of these parameters may produce undesired changes in efficiency and capacity. Additionally, multi-stage compressors may operate in circumstances where one or more of the compressor stages is operating at an undesirable pre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D29/46F04D29/58F04D29/70
CPCF04D29/462F04D29/5826F04D29/701F04D29/4213F05D2250/51F05D2250/52
Inventor R·A·斯肯菲蒂
Owner INGERSOLL RAND IND U S INC
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