Variable positive displacement compressor

A positive displacement compressor and a compressor technology, applied in the field of manufacturing such compressors, can solve the problems of difficult shape, difficulty in reducing the weight of the rotor 103 and the hinge mechanism 107, etc.

Inactive Publication Date: 2002-04-03
TOYOTA IND CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the other hand, it is difficult to reduce the weight of the rotor 103 and the hinge mechanism 107 using existing technology because it is difficult to manufacture complex and thin shapes using casting technology.

Method used

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Embodiment Construction

[0023] The variable displacement compressor of the present invention includes a drive shaft, a swash plate, a piston, a rotor and a hinge mechanism. The swash plate is mounted obliquely on the drive shaft. The piston may be located in the cylinder bore, the end of which is connected to the peripheral edge of the swash plate by means of pads. The piston can reciprocate in the cylinder bore with the rotation of the swash plate to compress the refrigerant. The inclination angle of the swash plate can be changed. When the tilt angle changes, the compressor output flow also changes. The rotor can be coupled with and rotate with the drive shaft.

[0024] The rotor also includes functional components, such as a rotating disk, a guide member provided on the rotating disk, and a counterweight. The counterweight is used to adjust the balance of the center of gravity of the rotating rotor. According to the invention, at least one functional part is stamped and stamped from a sheet m...

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PUM

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Abstract

Variable displacement compressor may include a swash plate inclinably coupled to a drive shaft. A piston may be disposed within a cylinder bore and an end portion of the piston may be connected to a peripheral edge of the swash plate by a shoe. The piston preferably reciprocates within the cylinder bore in order to compress a refrigerant in response to rotation of the inclined swash plate. The inclination angle of the swash plate can be changed to change the compressor output discharge capacity. A rotor is preferably coupled to the drive shaft so that the rotor rotates together with the rotating drive shaft. A hinge mechanism connects the swash plate with the rotor by means of a guide on a rotary disk of the rotor. The hinge mechanism transmits torque from the drive shaft to the swash plate regardless of the inclination angle of the swash plate. The rotor preferably includes a set of functional parts defined by a rotary disk, a guide disposed on the rotary disk and a weight disposed on the rotary disk to adjust the weight balance of the rotating rotor. At least one of the functional parts is formed by pressing and punching a metal plate. In addition or in the alternative, two or more of the functional parts may be integrally and seamlessly manufactured by pressing and punching a metal plate.

Description

technical field [0001] The invention relates to a variable displacement compressor, which utilizes the rotation of a swash plate to control the output flow of compressed refrigerant. More particularly, the present invention relates to a compressor that can use a swash plate of relatively simple and lightweight construction, and to a method of making such a compressor. Such compressors can be used in air conditioning systems, especially in automotive air conditioning systems. Background technique [0002] A variable displacement compressor is disclosed in Japanese Patent Laid-Open No. 11-264371. This known variable displacement compressor is attached Figure 15 , including a swash plate 104 connected to the drive shaft 102, and the swash plate is arranged in the drive chamber 101b. A compressor front casing 101 seals the swash plate 104, and each piston 105 is slidably installed in the cylinder bore 101a of the cylinder block 106, respectively. A ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B27/08F04B27/10
CPCF04B27/1072F04B27/08
Inventor 泽武宪川口真广太田雅树平松修田中洋彦臼井直树井上宜典生川洁樽谷知二饭田秀慎
Owner TOYOTA IND CORP
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