Compressor oil path shutoff valve device

The invention relates to a compressor oil path shutoff valve device. The compressor oil path shutoff valve device comprises a shutoff valve body connected inside a bearing box, and the shutoff valve body is connected with a valve core; when a compression spring is under a compression state, the valv...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ZHANG GONGWANG, YANG HUAYING, WANG DAOXI
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention relates to a compressor oil path shutoff valve device. The compressor oil path shutoff valve device comprises a shutoff valve body connected inside a bearing box, and the shutoff valve body is connected with a valve core; when a compression spring is under a compression state, the valve core is separated from the upper end of the shutoff valve body, and oil supply is realized; when the compression spring is under a stretched state, the valve core is fitted to the upper end of the shutoff valve body, and the oil supply is not performed; and communicating and closing between an oilcavity and an oil path passage are controlled through coordination between the shutoff valve body and the valve core. According to the compressor oil path shutoff valve device, the valve core movingdirection is controlled through air exhaust cavity pressure difference in starting and stopping a compressor and the pressure difference, so that oil path opening and closing are controlled, automaticcontrol of oil supplying a