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US 2003/0164709 A1Published application
A Device for Detecting a Flow of Powder Particles
AssigneeNordson Corporation
InventorLars Simonsson
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AssigneeNordson Corporation
InventorLars Simonsson
Estimating the term…
Abstract of Disclosure A method and device is provided for detecting a flow of particles, particularly paint particles, in a powder transportation line connected to a powder spray gun. The powder transportation line of the device includes a portion having an interior face provided with an electrostatically friction-charging material. The portion of the transportation line may be located upstream or downstream of the pump or within the pump itself. The transportation line portion is in electrical communication with a unit for sensing electrical signals. When the powder particles flow through the transportation line portion, an electrical charge is generated in the portion as a result of the friction between the particles and the friction-charging material. This electrical charge is detected by the sensing unit .
A device for detecting a flow of powder particles, particularly paint particles, in a transportation line of a powder spray gun, said device comprising:
A method for detecting the flow or absence of flow of paint powder particles flowing in a paint powder transportation line to at least one spray gun, said method comprising the steps of:
In an apparatus for electrostatic powder coating, a device is provided for detecting a flow of powder particles, particularly powdered paint particles, said apparatus comprising:
In an apparatus for electrostatic powder coating having a reservoir holding said powder particles, at least one powder spray gun, a transportation line extending from said reservoir to said at least one powder spray gun, a pump located along said transportation line and a unit for sensing electrical signals, a method comprising the steps of:
Dependencies are inferred from the claim text.