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Light weight crankcase casting for compressor

一种压缩机、曲轴箱的技术，应用在压缩机领域，能够解决增加总体成本、压缩机重、增加压缩机费用等问题

Inactive Publication Date: 2015-03-25
CARRIER CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This results in a relatively heavy compressor and increases the overall cost of the unit
Also, ductile iron is usually required to meet this strength requirement, but since this is one of the more expensive casting materials available, this necessarily adds to the expense of the compressor

Method used

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  • Light weight crankcase casting for compressor
  • Light weight crankcase casting for compressor
  • Light weight crankcase casting for compressor

Examples

Experimental program
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Embodiment Construction

[0020] Referring now to the accompanying drawings, see specifically figure 1 , generally referred to by reference numeral 20 to a compressor constructed in accordance with the teachings of the present disclosure. Although the following detailed description and drawings are made with respect to reciprocating compressors, it should be understood that the teachings of the present disclosure can also be used to make castings for use with many types of compressors, including but not limited to reciprocating, scroll, Shell and screw compressors. Additionally, while directed at the compression of refrigerants, a compressor constructed in accordance with the teachings of the present disclosure may of course be used to compress any type of fluid.

[0021] See you again figure 1 , the illustrated compressor 20 includes a housing or casting 22 having a power end 24 and a working end 26 . As will be described in further detail herein, the power end and the working end are configured to...

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PUM

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Abstract

A compressor, as well as a lightweight and strong casting for a compressor, are disclosed. The compressor, which may be a reciprocating compressor for use in compressing high-pressure refrigerants such as CO2, includes substantially reduced wall thicknesses (t) compared to prior art castings. The side walls of the compressor can be manufactured to such reduced thicknesses (t) through the use of a bridge spanning across the crankcase. This not only allows the opposing side walls to be manufactured of a thinner material, but the bottom cover removably mounted to the crankcase can be manufactured from a thinner and lighter material as well. Through the use of such a bridge, the resulting compressor is not only able to satisfy current strength requirements, but at significant weight, size and cost savings as well.

Description

[0001] Cross References to Related Applications [0002] This application is a non-provisional patent application claiming priority under 35 USC § 119(e) to US Provisional Patent Application Serial No. 61 / 181,922 filed May 28, 2009. technical field [0003] The present disclosure relates generally to compressors, and more particularly to crankcase castings for high pressure fluid in compressors. Background technique [0004] Compressors are common devices used to compress various fluids to higher densities. Compressors come in a variety of forms including, but not limited to, reciprocating, scroll, and screw compressors. With a reciprocating compressor, a piston moves back and forth in the compressor cylinder to compress the working fluid in the cylinder, while with a scroll compressor, interleaved scrolls rotate relative to each other to pressurize the fluid between the scrolls. Typically, one of the volutes is fixed, around which the other volute rotates centrifugally, b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B39/12F04B1/04F04B17/03F04B53/16
CPCF04B53/16F04B39/121
Inventor P.J.弗拉尼根P.J.皮尔斯基A.维亚
Owner CARRIER CORP
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