F - Mech Eng,Light,Heat,Weapons – 23 – D
Patent
F - Mech Eng,Light,Heat,Weapons
23
D
F23D 14/02 (2006.01) B01F 3/02 (2006.01)
Patent
CA 2726312
An air-gas premixing device to be inserted into a low-NOx gas burner. The device comprises a ring nut adapted to rotate about a symmetry axis passing through its geometric center. The rotation of the ring nut causes: - the rotation of a shutter for closing/opening an air-passage section for a fraction of the air from a ventilation group; and - the rotation of a premixing pipe provided with an eyelet for the passage of a combustible gas; so that the air and the combustible gas are mixed in said premixing pipe to obtain a decrease of NOx emissions.
Cattaneo Ruben
Comencini Flavio
Mbm Intellectual Property Law Llp
Riello S.p.a.
LandOfFree
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