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Inclined plate compressor

A compressor and swash plate technology, applied in the field of swash plate compressors, can solve problems such as sliding performance degradation

Inactive Publication Date: 2002-04-17
TOYOTA IND CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Once the coating is damaged, its sliding performance will decrease

Method used

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  • Inclined plate compressor
  • Inclined plate compressor
  • Inclined plate compressor

Examples

Experimental program
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Embodiment Construction

[0016] The following will refer to Figure 1 to image 3 A first embodiment according to the present invention will be described.

[0017] Figure 1 shows the internal structure of a swash plate variable displacement compressor. The rotating shaft 13 is supported by the front shell 12 and the cylinder body 11 , and the front shell 12 forms a control pressure chamber 121 . The rotary shaft 13 is driven by an external drive source such as a vehicle generator. The rotor 14 is fixed on the rotating shaft 13 . The swash plate 15 is pivotally connected to the rotating shaft 13 and slides in the axial direction. The support body 151 is integrally molded with the swash plate 15 and made of iron-based material. A pair of guide pins 16 (only one of which is shown in FIG. 1 ) is fixed on the support body 151 . Each guide pin 16 is slidably fitted in a corresponding guide hole 141 formed in the rotor 14 . The guide hole 141 and the guide pin 16 work together. This allows the swash pl...

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Abstract

A swash plate type compressor that has a pair of shoes (18A, 18B, 18C, 18D, 18E) between a swash plate (15) and a piston (17). The motion of the swash plate is transmitted to the piston through the shoes. Each piston reciprocates according to the transmitted motion. A coating (32, 33) is applied to each surface of the swash plate to contact the corresponding shoe. The surface (H) of each coating (32, 33) is flat. Each shoe (18A to 18E) includes a substantially flat surface (34), which contacts the swash plate (15), and a semi-spherical portion (35), which is fitted to the piston (17). Each substantially flat surface (34) includes a main chamfered portion (342) near the periphery. The inclination angle (theta 1) of each main chamfered portion (342) with respect to the corresponding coating is a predetermined angle or less. Each coating contacts one of the substantially flat surfaces (34). The maximum distance (beta) between each main chamfered portion (342) and the corresponding coating is equal to or less than the thickness (D) of the corresponding coating (32, 33).

Description

technical field [0001] The invention relates to a swash plate compressor. More particularly, the present invention relates to a swash plate compressor having a swash plate on which a coating is applied and a pair of support pads. Wherein, each support block is located between the swash plate and a piston. The coating is applied to the area where the swash plate contacts the support pads. Each support pad has a substantially planar surface and a hemispherical portion. Each substantially planar surface is in contact with a swash plate that rotates integrally with the shaft. Each hemispherical portion fits in one of the two cavities of the corresponding piston. The rotational force of the swash plate is transmitted to the piston through the support pads to drive the piston. Background technique [0002] Japanese Patent Publication No. 61-1636 and Japanese Laid-Open Patent Publication No. 11-193780 disclose a swash plate type compressor in which a piston reciprocates by rot...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B27/10F04B27/08
CPCF05C2251/14F05C2253/12F05C2253/20F04B27/0886F04B27/08
Inventor 深沼哲彦粥川浩明川口真广
Owner TOYOTA IND CORP