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Compressor

A compressor and discharge area technology, applied in the field of compressors, can solve the problems of refrigerant influx, poor lubrication, and low condenser

Inactive Publication Date: 2014-09-03
VALEO JAPAN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Therefore, this temperature difference causes the pressure of the condenser to be the lowest in the refrigeration cycle, thereby creating a phenomenon that the pressure from the evaporator makes the refrigerant staying in the compressor with dissolved oil rush into the condenser side
[0006] If this phenomenon caused by temperature changes occurs repeatedly, the oil remaining in the compressor is gradually transported out of the compressor, resulting in depletion of the oil remaining in the compressor
Therefore, if the air conditioner is started after the condition of not using the air conditioner for a long time continues, the compressor may be burnt due to poor lubrication

Method used

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Embodiment Construction

[0035] Embodiments of the present invention will be described below with reference to the drawings.

[0036] exist figure 1 and figure 2 Among them, the compressor 1 is a reciprocating compressor used in the refrigeration cycle with refrigerant as the working fluid, and the compressor 1 is composed of: a front cylinder 2, a The cylinder block 4, the front housing member 6 fitted on the front side (left side in the drawing) of the front side cylinder block 2 via the valve plate 5, and the rear side of the rear side cylinder block 4 via the valve body 7 (Fig. The rear housing part 8 on the right side in the middle. The open end sides of the front housing part 6 and the rear housing part 8 extend and fit into each other in the axial direction, so that the front housing part 6 and the rear housing part 8 respectively cover the approaching cylinders 2, 4 . The front housing member 6, the valve plate 5, the front cylinder block 2, the rear cylinder block 4, the valve plate 7, ...

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Abstract

[Problem] To prevent lubricating oil in the interior of a compressor from flowing to the outside of the compressor due to the movement of a refrigerant within the refrigeration cycle due to temperature changes when the operation of the compressor has stopped. [Solution] A compressor equipped with: a housing; an intake region (intake passage (31)) and a discharge region (discharge passage (33)) defined and formed by the housing; a shaft pivotally supported within the housing; and a compression mechanism that, on the basis of the rotational driving of the shaft, draws in the refrigerant from the intake region and discharges the refrigerant to the discharge region. In addition, the compressor is constructed so as to have: a bypass passage (40) connecting the intake region and the discharge region; a valving element (41) capable of closing off the bypass passage (40) from the discharge-region side; and a spring (42) that biases the valving element (41) toward the discharge-region side (the direction in which the valve is open).

Description

technical field [0001] The present invention relates to a compressor of a refrigerating cycle used in an air conditioner for a vehicle, and more particularly relates to a compressor capable of suppressing movement of refrigerant in a refrigerating cycle caused by a temperature change when the compressor is stopped so that lubricating oil inside the compressor flows to the compressor. Compressor with outflow function. Background technique [0002] The refrigeration cycle used in automobile air conditioners is bounded by a partition wall (Fiaiyaflor) that separates the engine room side from the vehicle room side, and an evaporator is arranged on the vehicle room side, and a condenser and compressor are arranged on the engine room side. . In the state where the operation of the compressor is stopped in such a refrigerating cycle, if the vehicle becomes hot due to sunlight during the day, such as Image 6 As shown, the temperature of the evaporator A disposed on the vehicle int...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B39/12F04B39/10F04B49/10
CPCF04B39/04F04B49/24F04B27/1009F04B27/12F04B27/1036F04B27/08
Inventor 小野三也金井塚实名古惠三白仓修
Owner VALEO JAPAN CO LTD
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