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Compressor

A technology for a compressor and a compression chamber, which is applied in the field of compressor structure, can solve problems such as reducing the degree of freedom of design, and achieve the effects of reducing restrictions, improving sealing, and improving the degree of freedom of design.

Inactive Publication Date: 2009-08-19
SANDEN CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the above-mentioned bolt seat portion 44 etc., with figure 2 Like other compressors, not only higher sealing performance is required, but also there is a problem of reduced degree of design freedom

Method used

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Embodiment Construction

[0043] The best embodiment of the compressor of the present invention will be described below with reference to the accompanying drawings.

[0044] figure 1 A compressor according to an embodiment of the present invention is shown, and particularly a case where the present invention is applied to a swash plate type constant capacity compressor is shown. Also, to simplify the description, figure 1 The case where the present invention is applied to a swash plate type constant capacity compressor is shown, but the present invention is equally applicable to a swash plate type variable capacity compressor and even a scroll compressor (including both constant capacity type and variable capacity type) wait.

[0045] figure 1 In , symbol 1 represents the compressor as a whole. In this embodiment, the casing 2 of the compressor 1 is formed by connecting casing components including a bottomed container-shaped (cup-shaped) casing 2a and a front casing 2b through which the drive shaf...

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Abstract

A compressor having a shell formed by mutually coupling shell constitution members that are a closed-bottomed container-like housing and a front housing into which a drive shaft is inserted, a compression chamber forming body provided in the shell, and a coupling element for coupling and fixing the compression chamber forming body and the shell constitution member to each other. The coupling element is extended only in the region where the shell is present, and a hole in which the coupling element extends and that is formed in the shell constitution member to which the coupling element is coupled does not penetrate the shell constitution member but terminates in the wall of the shell constitution member. In the compressor, sealing ability for leakage of refrigerant can be remarkably enhanced and restrictions on external piping and apparatuses are relaxed to significantly increase the degree of design freedom.

Description

technical field [0001] The present invention relates to a structure of a compressor, and more particularly relates to a structure of a compressor suitable for use in a compressor for compressing refrigerant installed in a refrigeration cycle. Background technique [0002] In a compressor, especially a compressor for refrigerant compression installed in a refrigeration cycle (for example, a compressor installed in a refrigeration cycle of a vehicle air conditioner), in order to prevent the performance of the refrigeration cycle from degrading, the The amount of refrigerant filling the refrigeration cycle is suppressed to be small, and it is desired to take reliable measures for preventing refrigerant leakage. In particular, in recent years, when using carbon dioxide, which has been studied as an alternative to freon-based refrigerants, as a refrigerant, a higher pressure specification is required, and therefore, a function of preventing refrigerant leakage from the compressor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B39/12F04B27/08
CPCF04B39/121F04B27/1036F04B27/1081
Inventor 森田雄二郎
Owner SANDEN CORP