F - Mech Eng,Light,Heat,Weapons – 04 – D
Patent
F - Mech Eng,Light,Heat,Weapons
04
D
230/18
F04D 19/00 (2006.01) F01D 11/08 (2006.01) F04D 19/02 (2006.01) F04D 29/54 (2006.01)
Patent
CA 1268746
AXIAL-FLOW FAN Abstract An axial-flow fan comprises a stepped housing defin- ed by an inlet part and an outlet part, the outlet part having the inside diameter smaller than the inside dia- meter of the inlet part, the inlet part having adjoined thereto an inlet tube of an inside diameter substantial- ly equal to the inside diameter of the outlet part of the housing. The outlet part of the housing accommodates a ro- tor having blades arranged such that their forward tips are located in the inlet part of the housing, a ferrule being secured at a certain distance from the inlet tube coaxially with the housing to form with the housing an annular chamber having on the side of the rotor an inlet passage and on the side of the inlet tube an outlet pas- sage. Rigidly affixed in this chamber are guide vanes pointing by their heels to the inlet tube. The heels of the guide vanes extend to the inlet tube and are radial- ly curved at a portion between the inlet tube and the fer- rule to form an annular radial grill.
430380
Dudkin Viktor E.
Ivanov Sergei K.
Molchanov Viktor N.
Peredery Valery P.
Donetsky Gosudarstvenny Proektno-Kon-Struktorsky I. Experimental
Dudkin Viktor E.
Ivanov Sergei K.
Marks & Clerk
Molchanov Viktor N.
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