Integrated oil and gas and gas-liquid separator and air conditioning system

By designing an integrated oil-gas and gas-liquid separator, which integrates an oil storage chamber and a liquid storage chamber, the problem of needing to configure multiple separators in existing compressors is solved. This achieves a high degree of integration and low-cost separation effect, and alleviates the oil shortage problem of compressors.

CN119436628BActive Publication Date: 2026-06-02SHANGHAI HITACHI ELECTRICAL APPLIANCES CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SHANGHAI HITACHI ELECTRICAL APPLIANCES CO LTD
Filing Date
2023-08-04
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Existing compressors require both gas-liquid separators and oil-gas separators, resulting in low integration, large space occupation, and increased production costs.

Method used

An integrated oil-gas and gas-liquid separator was designed. The housing is divided into an oil storage chamber and a liquid storage chamber by a partition inside the shell. The oil-gas and gas-liquid are separated by different inlet and outlet pipes, thus integrating the functions of oil-gas and gas-liquid separation into one unit.

Benefits of technology

This improved the integration of the compressor, reduced its space requirements, lowered production costs, and alleviated the problem of compressor oil shortage.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention relates to the field of compressor technology, specifically disclosing an integrated oil-gas and gas-liquid separator and an air conditioning system. The integrated oil-gas and gas-liquid separator includes a housing, a first inlet pipe, a second inlet pipe, a first outlet pipe, and a second outlet pipe. The housing has a receiving cavity, within which a partition divides the cavity into an oil storage cavity and a liquid storage cavity. The first inlet pipe and the first outlet pipe are connected to the oil storage cavity, and the second inlet pipe and the second outlet pipe are connected to the liquid storage cavity. During operation, an oil-gas mixture enters and exits through the first inlet pipe and the first outlet pipe, collecting oil in the oil storage cavity; similarly, a gas-liquid mixture enters and exits through the second inlet pipe and the second outlet pipe, collecting liquid in the liquid storage cavity. This integrated oil-gas and gas-liquid separator simultaneously performs oil-gas separation and gas-liquid separation functions. Compared to separate oil-gas separators and gas-liquid separators, it occupies less space, has a higher integration level, is easier to install, and saves costs.
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