B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
32/16
B05B 5/16 (2006.01) B05B 5/00 (2006.01)
Patent
CA 1299359
Abstract A device for insulating the spray liquid source from the high tension voltage of an electrostatic spray system when using an electrically conductive spray liquid. The device comprises a spray gun (13), a supply line (12) which connects the spray gun (13) to a spray liquid reservoir (10) and which includes a vessel (16) containing a barrier forming liquid (17) of low electrical conductivity and a density other than that of the spray liquid. The vessel (16), which is substantially non-conductive is connected at its inlet end (24) to the earth potential and at its outlet end (19) to the same high potential as the spray gun (13). An electrode means (22; 25) is provided in the vessel (16) to expose the spray liquid passing through the vessel (16) to at least one intermediate potential for controlling the tension gradient in the barrier forming liquid by limiting and controlling the charging of the spray liquid. 87716-881019
582222
Hankvist Bo A.
Kling Peter N.
Spongh Rolf T.
Atlas Copco Aktiebolag
Fetherstonhaugh & Co.
Hankvist Bo A.
Kling Peter N.
Spongh Rolf T.
LandOfFree
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