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Parallel-connection compressor oil way system and refrigerating unit

An oil circuit system and compressor technology, which is applied to compressors, refrigerators, refrigeration components, etc., can solve the problem of not being able to ensure that the two compressors can obtain enough lubricating oil, and achieve the effect of avoiding oil shortage

Active Publication Date: 2014-03-26
HITACHI JOHNSON CONTROLS AIR CONDITIONING INC
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Therefore, there is an obvious shortcoming in the parallel compressor oil circuit, that is, when the first compressor 1 and the second compressor 2 are operating at the same time, it is impossible to ensure that both compressors can obtain enough lubricating oil.

Method used

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  • Parallel-connection compressor oil way system and refrigerating unit
  • Parallel-connection compressor oil way system and refrigerating unit

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Embodiment Construction

[0019] In the following description, numerous specific details are given in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without one or more of these details. In other examples, some technical features known in the art are not described in order to avoid confusion with the present invention.

[0020] In order to provide a thorough understanding of the present invention, the detailed structure will be set forth in the following description. It is evident that the practice of the invention is not limited to specific details familiar to those skilled in the art. Preferred embodiments of the present invention are described in detail below, however, the present invention may have other embodiments besides these detailed descriptions.

[0021] The invention discloses a parallel compressor oil circuit system, such as figure 2 As shown, it mainly includes...

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Abstract

The invention discloses a parallel-connection compressor oil way system and a refrigerating unit. The parallel-connection compressor oil way system comprises a first compressor, a second compressor, a first oil separator connected with the first compressor, a second oil separator connected with the second compressor, and a gas-liquid separator connected with the first oil separator to receive lubricating oil separated from the first oil separator. The gas-liquid separator is connected with the first compressor through a first gas suction pipe and connected with the second compressor through a second gas suction pipe, the oil sucking position of the first gas suction pipe in the gas-liquid separator is not lower than the oil sucking position of the second gas suction pipe in the gas-liquid separator, and the second oil separator is connected with the first gas suction pipe. According to the parallel-connection compressor oil way system, the first compressor and the second compressor can obtain enough lubricating oil and can stably work.

Description

technical field [0001] The invention relates to the technical field of compressor oil circuit systems, in particular to a parallel compressor oil circuit system and a refrigeration unit. Background technique [0002] Parallel compressor oil circuit system in the prior art such as figure 1 As shown, it includes a first compressor 1 , a second compressor 2 , an oil return capillary 3 , a copper filter 4 , an oil separator 5 , a one-way valve 6 and a gas-liquid separator 7 . The exhaust pipes of the first compressor 1 and the second compressor 2 are respectively connected to the inlets of the oil separator 5, and the refrigerant gas with lubricating oil is sent into the oil separator 5 to separate the lubricating oil. Then the refrigerant gas from both sides leaves the oil separator 5 and flows into the exhaust main pipe through the one-way valve 6. The separated lubricating oil is discharged from the oil separator 5, enters the gas-liquid separator 7 through the copper filte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B31/00F25B41/04F25B41/06F25B41/20F25B41/37
Inventor 季秀成顾中华王军
Owner HITACHI JOHNSON CONTROLS AIR CONDITIONING INC
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