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Compressor

A technology for compressors and compression chambers, which is applied in the field of compressors and can solve problems such as damage and breakage of protrusions 25 protruding structures

Inactive Publication Date: 2009-01-28
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0016] However, the conventional structure has some inconveniences; if the bolt 24 is screwed down with an excessive tightening torque, a strong force locally applied to the protrusion 25 may cause fracture
Furthermore, the protruding structure of the bump 25 is often damaged when accidentally bumping into something during manufacture

Method used

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Experimental program
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Embodiment Construction

[0038] Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

[0039] (first exemplary embodiment)

[0040] figure 1 is a sectional view of the compressor according to the first exemplary embodiment of the present invention. figure 2 is an exploded view of the compression elements of the compressor. image 3 yes figure 2 An enlarged view of the cylinder head viewed from direction A. Figure 4 is along image 3 Cross-sectional view of the tank approach taken on the plane of the line C-C of the cylinder head. Figure 5 From figure 2 A magnified view of the liner viewed in the direction of A. Image 6 From figure 2 An enlarged view of the valve plate viewed in direction B. Figure 7 is displayed from figure 2 A zoomed-in view of the liner in the region where contact pressure is observed in direction A. Figure 8 is an enlarged section view showing the main parts of the valve plate, gasket and cy...

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PUM

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Abstract

The compressor of the present invention has a structure in which a groove is disposed on a sealing surface of at least one of the head and the valve plate. The structure enhances contact pressure on a pressed surface, providing the gasket with preferable sealing strength. Besides, the head of the compressor has no protrusion on the edge. This eliminates worry about breakage of the head, providing high reliability and productivity.

Description

technical field [0001] The present invention relates to a compressor for a refrigerator-freezer or the like. Background technique [0002] To achieve high efficiencies, conventional compressors have utilized a modified compression chamber that minimizes leakage of compressed refrigerant through the divided portion between the inlet and outlet sides of the chamber, reducing losses in operation, for example. Methods. [0003] Japanese Patent Unexamined Publication No. 2000-154779 discloses a conventional compressor. The compressor will be described herein with reference to the accompanying drawings. [0004] Figure 15 is a cross-sectional view of a conventional compressor. Figure 16 is an exploded view of the main parts of the compression element of the compressor. Figure 17 shows from Figure 16 The zoomed-in head of the N-direction view. Figure 18 is along Figure 17 An enlarged cross-sectional view of the protrusion taken in the plane of the line P-P. Figure 19...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B39/10F04B39/12
CPCF04B39/10F04B39/125F05C2201/021F04B39/122F25B31/00F05B2260/301F05B2230/21F05B2280/1021F05B2230/22F25B41/20
Inventor 羽田朗
Owner PANASONIC CORP