Centrifugal rotor

Inactive Publication Date: 2016-05-26
LINDE AG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0008]It is not possible to eliminate the pressure drop that are particularly related to the nature of the fluid itsel

Problems solved by technology

One technical problem encountered with such a structure is th

Method used

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Examples

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Example

[0035]FIGS. 2 and 4 illustrate a first embodiment of a centrifugal rotor according to this invention. As shown in the drawing, the overall structure is substantially the same in FIG. 1 and in FIGS. 2 to 4. Thus, the references in FIG. 1 are used in FIGS. 2 to 4 to designate similar elements. A centrifugal rotor is thus found 2 rotatably mounted in a housing 4 around a shaft 6 having a longitudinal axis 8. The centrifugal rotor 2 is sealed off relative to the housing 4 thusly ensured in particular through the sealing bearings 18 working together with the labyrinth rings 24 (or other type of seal). A hub 10 enables a connection between the rotor and the shaft 6, for example by means of a spline that is not shown. The centrifugal rotor 2 further comprises an upstream flange 12 and downstream flange 14 interconnected by vanes 16. The upstream flange 12 has a sealing bearing 18 which with the hub 10 defines an inlet chamber 20 of the annular opening 22. Again, when the centrifugal rotor ...

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Abstract

A centrifugal rotor includes a hub (10) having a longitudinal axis (8), a fluid inlet (20), a first flange referred to as upstream flange (12) and having an opening (22) around the hub (10), a second flange referred to as downstream flange (14) separated from the first flange by blades (16) thus forming ducts each delimited by the first flange (12), the second flange (14) and two blades (16) and extending from the fluid inlet (20) to a peripheral outlet (26), near the peripheral outlet (26) the first flange (12) having a concave zone (32) facing towards the ducts whereas the second flange (14) has a convex zone (34) facing towards the ducts.

Description

BACKGROUND OF THE INVENTION[0001]The present invention relates to a centrifugal rotor.[0002]The technical field of this invention is that of the fluid, liquid or gaseous compression. The invention therefore relates to both pumps as well as compressors which make a supply of liquid or gas respectively possible, from a given pressure to a higher pressure.[0003]There are many techniques to increase the pressure of a fluid. A common technique consists in centrifuging the fluid upon which stress is exerted which in turn causes an increase in its pressure. For the implementation of this technique, there are many different structures of pumps and compressors depending upon many parameters including the related fluid, the environment (size, etc.) and desired performance (compression rate, etc.). Subsequently, we will focus on pumps and compressors comprising at least one centrifugal rotor associated with an axial diffuser.[0004]A centrifugal rotor is a rotor having an axis of rotation. It i...

Claims

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Application Information

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IPC IPC(8): F04D29/24F04D29/30F04D29/22F04D29/28F04D17/08F04D1/00
CPCF04D29/24F04D17/08F04D29/30F04D29/2205F04D29/284F04D1/00F04D29/2261F04D29/2272
Inventor SGAMBATI, STEPHANE
Owner LINDE AG
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