Patent ID: 11896986
Assignee: POSITEC TECHNOLOGY CHINA CO. LTD.
Field: Chemical engineering (Chemistry)
Classification: CPC B | IPC B

Claim 17:
18. The handheld high-pressure cleaning machine according to claim 15, wherein the air outlet hole and the exhaust port are independently arranged, the nozzle casing comprises a body and a cover body with a central axis, the cover body is circumferentially rotatably joined outside the body around the central axis, there are a plurality of exhaust ports, the plurality of exhaust ports are circumferentially arranged on the cover body around the central axis, there are a plurality of liquid discharge ports, the plurality of liquid discharge ports are circumferentially arranged on the cover body around the central axis, the cover body is operable to rotate circumferentially around the central axis to select one of the plurality of liquid discharge ports to connect with the water outlet channel and in this case, one of the exhaust ports connects with the air outlet hole.