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vane compressor

A compressor and vane type technology, which is applied in the field of vane compressors and can solve the problems of increasing the size of the compressor

Inactive Publication Date: 2015-11-04
TOYOTA IND CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, providing an on-off valve in the pressure supply mechanism or a check valve in the discharge chamber or the suction chamber requires an extra space in the compressor for installing such components, which results in an increase in the size of the compressor.

Method used

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Embodiment Construction

[0024] Embodiments of a vane compressor according to the present invention will be described below with reference to the accompanying drawings. The vane compressor of the embodiment is intended to be used in an automobile air conditioner.

[0025] refer to figure 1 and figure 2 , the vane compressor of the first embodiment has a front casing 1, a rear casing 2 and a cylinder block 3, the front casing 1 and the rear casing 2 are connected to each other, and the cylinder block 3 is fixedly mounted on the front casing 1 and the rear casing 1. In the housing 2 and in the cylinder 3 there is a cylindrical chamber 3A having an elliptical cross-section. The front case 1, the rear case 2 and the cylinder block 3 correspond to the case of the present invention. It should be noted that, figure 1 The left-hand and right-hand sides seen in correspond to the front and rear sides of the compressor, respectively, and figure 1 The upper and lower sides seen in correspond to the upper an...

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PUM

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Abstract

Provided is a blade-type compressor, comprising a housing, a front side plate, a rear side plate, a drive shaft, a rotor, and a plurality of blades, wherein the housing internally comprises a tank-like chamber, a suction chamber, and an discharging chamber; the front side plate seals the front end of the tank-like chamber; the rear side plate seals the rear end of the tank-like chamber; the drive shaft is rotatably supported inside the housing; the rotor, arranged inside the tank-like chamber and fixed upon the drive shaft, is provided with a plurality of radial slots; and the blades can be slidingly inserted into corresponding slots. The compressor further comprises a pressure supply mechanism, wherein the pressure supply mechanism connects the discharging chamber to a backpressure chamber between the slots and the corresponding blades in the compression stroke. The pressure supply mechanism comprises a rotating channel formed inside the drive shaft and an interval connecting mechanism that intermittently connects the rotating channel to the discharging chamber and the backpressure chamber according to the angle position of the drive shaft.

Description

technical field [0001] The present invention relates to vane compressors. Background technique [0002] A common type of vane compressor has a housing, a front side plate and a rear side plate, and a cylindrical chamber is formed in the housing and its front and rear ends are closed by the front and rear side plates, respectively. The housing cooperates with the front side panels to form a suction chamber therebetween and the housing also cooperates with the rear side panels to form a discharge chamber therebetween. A drive shaft is rotatably supported in the housing, and a rotor is fixed to the drive shaft in the cylindrical chamber. The rotor is formed with a plurality of radial slots into which the vanes are slidably inserted. There are compression chambers in the cylindrical chamber, each of which is defined by the inner surface of the cylindrical chamber, the outer surface of the rotor, the rear surface of the front side plate, the front surface of the rear side plate...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04C18/344F04C29/00
Inventor 井田昌宏佐藤真一小林和男
Owner TOYOTA IND CORP