Electrostatic spraying apparatus
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United States of America Patent
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N/A
Issued Date -
Apr 20, 2006
app pub date -
Oct 6, 2005
filing date -
Oct 14, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
To prevent contamination by abnormal discharge in direct-charging electrostatic atomizers, a new electrostatic atomizer uses a main external electrode (13) and an auxiliary external electrode (17) located radially outward of an atomizer main body (4). A high-voltage supply line (15) for supplying a high voltage to the main external electrode (13) is connected to a head member (5) of the atomizer main body (4) by an additional conductor line (18), in which an auxiliary external electrode (17) is connected between a first and a second resistors (19, 20). When water paint is supplied to the rotary atomizing head (2) through a paint supply passage (10), the rotary atomizing head (2) is connected to the ground potential by the water paint itself, and automatically configured to operate as an indirect-charging electrostatic atomizer.
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Cited Art Landscape
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