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Swash plate double-headed piston compressor

A double-headed piston and compressor technology, which is applied in the direction of liquid displacement machinery, mechanical equipment, variable displacement pump components, etc., can solve the problems of difficult assembly, low efficiency, and excessive size, and achieve overall weight reduction , reduce weight, reduce the effect of axial dimension

Active Publication Date: 2009-12-09
NANJING AOTECAR NEW ENERGY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to design a swash plate double-headed piston compressor for the problems of low efficiency, oversized size, difficult assembly and short life of the existing swash plate compressors.

Method used

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  • Swash plate double-headed piston compressor

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0025] Such as Figure 1-7 shown.

[0026] A swash plate double-headed piston compressor, comprising a main shaft 8, a swash plate 7, a front cylinder 1 and a rear cylinder 2, the front cylinder 1 and the rear cylinder 2 are connected, and the front cylinder 1 is connected with a front cover 4 , the rear cylinder body 2 is connected with a rear cover 3, and several piston chambers are arranged between the front cylinder body 1 and the rear cylinder body 2, and a double-headed hollow piston 5 is installed in each piston chamber, and the swash plate 7 is installed on the main shaft 8 On the main shaft 8, a thrust bearing 11 is installed on both sides of the swash plate 1, and the main shaft 8 is supported on two heavy bearings 9 respectively installed in the front cylinder block 1 and the rear cylinder block 2. The double-headed Two small hemispherical ...

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Abstract

A swash plate double-headed piston compressor comprises a spindle (8), a swash plate (7), a front cylinder body (1) and a back cylinder body (2); a plurality of piston chambers are arranged between the front cylinder body (1) and the back cylinder body (2), each piston chamber is provided with a double-headed hollow piston (5), the swash plate (7) is arranged on the spindle (8); the compressor is characterized in that the double-headed hollow piston (5) is symmetrically provided with two small hemisphere pits, each small hemisphere pit is internally provided with a small hemisphere (6), the swash plate (7) is inserted into the place between the two small hemispheres (6), and the heights of the two small hemispheres (6) plus the thickness of the swash plate (7) are less than the spherical diameter of the small hemisphere (6); the swash plate (7) is provided with an air pressure support ring slot for compensating and bearing load; the double-headed hollow piston (5) is provided with a piston ring (10) for supporting with diameter being less than that of the inner diameter of the piston chamber; a wear-resistant layer is arranged on the panel where the swash plate (7) is contacted with the small hemisphere (6). The invention has the advantages of simple structure, convenient manufacture and installation, long service life and high efficiency.

Description

technical field [0001] The invention relates to a vehicle air conditioner compressor, in particular to a swash plate type vehicle air conditioner compressor, in particular to a swash plate type double-head piston compressor. Background technique [0002] As we all know, common automotive air-conditioning compressors include Scroll Compressor / Rotary Vane Compressor, Wobble Plate Compressor and Swash Plate Compressor, among which the rotary compressor is A type of high-efficiency, small-sized car compressor developed in recent years, but its disadvantages are complex manufacturing process, high cost, and inconvenient maintenance. The swash plate compressor is a traditional car compressor. It has the advantages of simple structure, convenient manufacture, installation and maintenance, and its efficiency and size are between rotary and rocking plate compressors, so it still has a considerable market. [0003] Existing swash plate compressors generally have a five-cylinder doubl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B27/12F04B39/00
Inventor 钱永贵
Owner NANJING AOTECAR NEW ENERGY TECH
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