Valve unit for an electrostatic coating installation

A main needle valve for an electrostatic sprayer has an optoelectronic sensor device with light wave conductors (20,21) with their front surfaces facing a reflex element (12) for a structural link (10) moved by the valve needle (1), which is remotely controlled to slide between two indexing position...

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Bibliographic Details
Main Authors KRUMMA, HARRY, GIULIANO, STEFANO, POPPE, SIEGFRIED, HERRE, FRANK, BAUMANN, MICHAEL, NOLTE, HANS-JUERGEN
Format Patent
LanguageEnglish
French
German
Published 18.10.2006
Subjects
APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS
ATOMISING APPARATUS
MEASURING
MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE
MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
NOZZLES
PERFORMING OPERATIONS
PHYSICS
SPRAYING APPARATUS
SPRAYING OR ATOMISING IN GENERAL
TARIFF METERING APPARATUS
TESTING
TRANSPORTING
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Summary:A main needle valve for an electrostatic sprayer has an optoelectronic sensor device with light wave conductors (20,21) with their front surfaces facing a reflex element (12) for a structural link (10) moved by the valve needle (1), which is remotely controlled to slide between two indexing positions. The optoelectronic sensor senses an indexing position and generates a corresponding sensing signal.
Bibliography:Application Number: EP20020006090