| 摘要 |
PROBLEM TO BE SOLVED: To provide a centrifugal projection device, eliminating a liner to reduce the number of times of maintenance. SOLUTION: This centrifugal projection device includes: a housing 2; a driving means 3 fitted to the outside of the side part of the housing 3; an impeller 4 fitted to the driving shaft 3a side of the driving means and having a plurality of blades; a distributer 5 coaxially fitted to the driving shaft in an inner peripheral space of the impeller and having openings at substantially equal spaces in the circumferential direction; a control cage 6 fitted to the periphery of a blowing port 18, the rear end of which is formed on the side part opposite to the side part of the housing, and having the tip part where a dispersion window 17 is formed extended between the distributor and the blade; and an introduction cylinder 7 fitted to the housing to supply projection material to the blowing port. A rotary sealing member 8 is arranged between the base part of the distributor and the tip part of the control cage. COPYRIGHT: (C)2007,JPO&INPIT
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