| 摘要 |
Apparatus for cleaning paint spray gun nozzles automatically includes a housing having separate cleaning and reservoir chambers separated by a dividing wall, and a cleaning spray head in the cleaning chamber for directing a spray of cleaning fluid at a nozzle in the chamber. A supply of cleaning fluid in the reservoir is connected to the cleaning spray head by a supply tube. The cleaning chamber has an entrance for receiving a spray gun nozzle, and a supply of gas under pressure is connected to the reservoir chamber automatically on detection of entry of a spray gun nozzle through the entrance, to urge cleaning fluid from the reservoir into the supply tube. A passageway is provided in the dividing wall for returning used cleaning fluid to the reservoir. The supply of gas to the reservoir is cut off automatically at the end of a cleaning cycle on removal of the cleaned nozzle from the chamber.
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