TRANSPORTATION REFRIGERATION UNIT AND METHOD OF MEASURING QUANTITY OF REFRIGERANT IN THE SAME

A method of measuring the quantity of refrigerant in a refrigeration circuit of a transportation refrigeration unit (TRU). The refrigeration circuit comprises a compressor, a condenser, a receiver, an expansion valve and an evaporator sequentially fluidly connected in a circuit. The method comprises...

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Bibliographische Detailangaben
Hauptverfasser: Lejeune, Maxime, Saint-Denis, Marinne
Format: Patent
Sprache:eng
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Zusammenfassung:A method of measuring the quantity of refrigerant in a refrigeration circuit of a transportation refrigeration unit (TRU). The refrigeration circuit comprises a compressor, a condenser, a receiver, an expansion valve and an evaporator sequentially fluidly connected in a circuit. The method comprises: running the refrigeration circuit in a recovery mode to accumulate the refrigerant in the refrigeration circuit within the receiver; and measuring the quantity of the refrigerant in the refrigeration circuit once it has accumulated within the receiver.