| 摘要 |
<p>The sandblasting equipment for surface cleaning has a sand-hopper and an air-compressor discharging the sand against the surface via a nozzle. A stator body (3) is mounted on one side of the hopper (1), having a sand inlet hole and an outlet hole, (17), on the opposite side offset from it. A rotor (18) inside the body has a number of axial passages (20, 20a), moved in succession into line with the inlet and outlet holes, and a chamber (24) on the body receives the sand from the outlet hole. One one side of this chamber is a union (4) for the compressed air supply, and on the other one for the sand outlet pipe (6).</p> |
