Refrigerated container

JP7875014B2Active Publication Date: 2026-06-17MITSUBISHI HEAVY IND LTD
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Patent Information

Authority / Receiving Office
JP Β· JP
Patent Type
Patents
Current Assignee / Owner
MITSUBISHI HEAVY IND LTD
Filing Date
2022-04-20
Publication Date
2026-06-17

AI Technical Summary

Technical Problem

Conventional refrigerated containers face issues with reduced cargo space due to the presence of dedicated equipment for controlled atmosphere (CA) containers, which also lead to temperature instability and unevenness inside the warehouse.

Method used

A refrigerated container design that uses the gas inside the container body as a refrigerant, incorporating a compressor, heat exchanger, expander, and separation devices in a circulation line to maintain temperature stability without fans, while allowing for controlled atmosphere adjustments.

Benefits of technology

The design maintains stable internal temperature and cargo space by utilizing the container's gas as a refrigerant, reducing the need for additional equipment and preventing temperature fluctuations, thus enhancing the container's efficiency and compactness.

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Patent Text Reader

Abstract

To provide a freezing container capable of suppressing a reduction in a rental space of a container room and stably maintaining a container room temperature.SOLUTION: A freezing container which is constructed to cool gas in a container body, includes the container body, a circulation line having an inlet port and an outlet port provided in the container body, a compressor provided in the circulation line and constructed to compress the gas sucked from the inside of the container body via the inlet port into the circulation line, a heat exchanger provided in the circulation line and constructed to cool the gas compressed by the compressor, an expander provided in the circulation line and constructed to expand the gas cooled by the heat exchanger, and at least one separation device provided in the circulation line and constructed to separate part of components from the gas compressed by the compressor.SELECTED DRAWING: Figure 3
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