| 摘要 |
ventilation systems. SUBSTANCE: invention can be used to provide uniform distribution of air. Proposed air distributor has housing with air supply branch pipe, lower and upper covers, outer gauze and perforated insert. Housing is cylindrical, provided with perforated insert consisting of truncated double cones or doubled semicones. Housing can be made angular, with perforated insert consisting of truncated double quartercones or double trapeziums, large bases of perforated inserts being pointed to middle of housing and secured to the latter. EFFECT: provision of uniform distribution of air, enlarged functional capabilities. 4 cl, 8 dwg
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