A vehicle, an environmental control system, and a method of operating an environmental control system are provided. In one example, an environmental control system (ECS) includes an ECS refrigeration unit configured to receive ambient air and first and second portions of hot bleed air. The ECS refrigeration unit is operable to indirectly exchange heat between a first portion of the hot bleed air and ambient air to form a partially cooled hot air stream, and to compress, further indirectly heat exchange and expand the partially cooled hot air stream to form a cooled and expanded air stream. A low limit valve control adjusts the low limit valve to control the rate at which a second portion of the hot bleed air is introduced into the cooled and expanded air flow to form a combined air flow that is an air flow below freezing point when exiting the ECS refrigeration unit.

    提供了运载工具、环境控制系统和操作环境控制系统的方法。在一个示例中,环境控制系统(ECS)包括ECS制冷单元,其被配置为接收环境空气以及热引气的第一部分和第二部分。ECS制冷单元可操作以在热引气的第一部分与环境空气之间间接交换热量,以形成部分冷却的热空气流,并对部分冷却的热空气流进行压缩、进一步间接热交换和膨胀,以形成冷却和膨胀的空气流。低限阀控件调节低限阀,以控制将热引气的第二部分引入冷却和膨胀的空气流的速率以形成组合空气流,该组合空气流当离开ECS制冷单元时是低于冰点的空气流。


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    Titel :

    VEHICLE, ENVIRONMENT CONTROL SYSTEM, AND METHOD OF OPERATING AN ENVIRONMENT CONTROL SYSTEM


    Weitere Titelangaben:

    运载工具、环境控制系统和操作环境控制系统的方法


    Beteiligte:
    TATE ADAM (Autor:in) / KROMER BRIAN (Autor:in) / HU RL ROLAND (Autor:in) / DAS SOUMYA (Autor:in) / PRASAD DILIP (Autor:in) / ROTHERMEL THOMAS (Autor:in)

    Erscheinungsdatum :

    2023-03-21


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT



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