Robotic paint applicator and method of protecting a paint robot having an explosion proof electric motor
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United States of America Patent
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N/A
Issued Date -
Nov 23, 2006
app pub date -
Apr 14, 2006
filing date -
Apr 15, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A robotic paint applicator and a method of protecting a paint robot having an explosion proof electric motor. A plurality of electric motors are enclosed by a substantially air-tight motor housing and have a gas inlet and a gas outlet. A robot enclosure is also substantially air-tight and houses at least one electric motor. A source of non-combustible gas supplies gas at pressures sufficient to purge and to maintain positive non-combustible gas pressures. The plurality of electric motors is serially connected and receives gas through a first gas inlet. A first discharge conduit is coupled to an air outlet of the final electric motor for expelling gas. A second conduit transmits gas from the source to the robot enclosure, and a second discharge conduit expels gas from the robot enclosure. A transfer block separately controls the gas pressures from the source.
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