OUTDOOR UNIT AND AIR CONDITIONING INSTALLATION Russian patent published in 2019 - IPC F25B45/00 F24F1/26 

Abstract RU 2677975 C1

FIELD: air conditioning.

SUBSTANCE: present invention relates to an outdoor unit for air conditioning. Outdoor unit includes a pipe connecting valve for the refrigerant, a service channel for charging the refrigerant, corked by means of a sealing hexagon nut, which is to be removed when charging with a refrigerant, while the outdoor unit contains an indicator covering element, comprising: closing section, where the type of refrigerant used and the warning are marked, while the closing section is located the way to close the hexagon columnar outer periphery of the sealing hex nut; annular portion attached to the connecting valve of the refrigerant pipe; and a connecting portion connected between the closing portion and the annular portion, the annular portion comprising an annular central portion and a U-shaped portion projecting outwardly with respect to the annular central portion.

EFFECT: easier installation of the annular section on the valve is provided.

10 cl, 9 dwg

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RU 2 677 975 C1

Authors

Yonehara, Kentaro

Ito, Kazuho

Yamauchi, Hidetaka

Dates

2019-01-22Published

2015-01-09Filed