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Gas Compressor Assembly

a gas compressor and assembly technology, applied in the direction of positive displacement liquid engines, piston pumps, liquid fuel engines, etc., can solve the problems of sacrificing energy efficiency, motors in such compression mechanisms producing significant heat during operation, and designers of gas compression systems, so as to improve the cooling efficiency of gas compressor assemblies

Inactive Publication Date: 2012-10-04
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0009]It is an object of the invention to improve motor cooling efficiency of the gas compressor assemblies.

Problems solved by technology

Conventionally, the motor in such compression mechanism produces significant heat during operation.
Providing adequate motor cooling, without sacrificing energy efficiency of the compression system, continues to challenge designers of gas compression systems.
Disadvantageously, the temperature of the compressed gas herein may be high which decreases the capacity of the cooling gas to cool the motor and the bearing sections.

Method used

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Embodiment Construction

[0029]Various embodiments are described with reference to the drawings, wherein like reference numerals are used to refer to like elements throughout. In the following description, for purpose of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident that such embodiments may be practiced without these specific details.

[0030]FIG. 1 shows a schematic overview in a cross-section of a gas compressor assembly 10 according to an embodiment of the invention. The gas compressor assembly 10 comprises of a rotor 12 having an axis 13 of rotation, a bearing section 14, a motor section 15, and a compressor section 16. These sections are arranged in the order referred herein along the axis 13 of the rotor 12.

[0031]Here, the bearing section 14 is arranged along the rotational axis 13 of the rotor 12 at the side of the motor section 15 distant from the compressor section 16. The bearing section 14 includes a p...

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Abstract

A gas compressor assembly for compressing a gas includes a rotor having a rotational axis, a motor section and a compressor section arranged along the rotational axis of the rotor. The gas is supplied via an inlet. A first motor passageway directs the gas from the inlet to the motor section for cooling the motor section. A compressor passageway directs the gas from the motor section to the compressor section. The assembly also includes a gas-tight housing to enclose the rotor, a bearing section, the motor section, and the compressor section. The motor section includes a motor and a stator. The inlet is arranged such that a majority the gas flowing through the inlet is directed to the motor section through the first motor passageway wherein the gas cools the motor section before compression of the gas, to provide increased cooling of the motor and the stator.

Description

CROSS REFERENCE TO RELATED APPLICATIONS[0001]This application is the US National Stage of International Application No. PCT / EP2010 / 067177, filed Nov. 10, 2010 and claims the benefit thereof. The International Application claims the benefits of European application No. 09014133.4 EP filed Nov. 11, 2009. All of the applications are incorporated by reference herein in their entirety.FIELD OF INVENTION[0002]The present invention relates to a gas compressor assembly, such a gas compressor is known from U.S. Pat. No. 7,156,627 B2.BACKGROUND OF INVENTION[0003]It is frequently necessary to compress a gas to a great extent, for example to store a large quantity of gas in a tank or the like, or to urge a significant quantity of gas through a pipeline or other industrial applications. Generally motors are provided for driving the compression mechanism to compress the gas. Conventionally, the motor in such compression mechanism produces significant heat during operation. Providing adequate moto...

Claims

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Application Information

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IPC IPC(8): F04B39/06
CPCF04D17/122F04D25/0606F04D29/701F04D29/584F04D25/0686F04D29/058F04D29/5806
Inventor VAN DER SPAN, PATRICK
Owner SIEMENS AG