Patent ID: 6964698

Claim:
Gas supply ( 3 ) for an electrostatic filter ( 2 ), which has an incoming flow channel ( 7 ) with constant cross-sectional area, a gas inlet hood ( 8 ) with cross-sectional area expanding in the direction of the electrostatic filter ( 2 ), and an admixture arrangement ( 19 ) for a conditioning means ( 20 ), wherein at least one flow distributor ( 10 ) is arranged in the expanded cross-sectional region of the gas inlet hood ( 8 ), characterized in that a first vortex arrangement ( 11 ) generating a leading-edge vortex ( 16 ) is arranged in the incoming flow channel ( 7 ), a second vortex arrangement ( 12 ) generating a leading-edge vortex ( 17 ) is arranged in the gas inlet hood ( 8 ) ahead of the flow distributor ( 10 ) in the direction of gas flow, and the admixture arrangement ( 19 ) is arranged in the region of the two vortex arrangements ( 11 , 12 ).