EP1245291A3 - Valve unit for an electrostatic coating installation - Google Patents

Valve unit for an electrostatic coating installation Download PDF

Info

Publication number
EP1245291A3
EP1245291A3 EP02006090A EP02006090A EP1245291A3 EP 1245291 A3 EP1245291 A3 EP 1245291A3 EP 02006090 A EP02006090 A EP 02006090A EP 02006090 A EP02006090 A EP 02006090A EP 1245291 A3 EP1245291 A3 EP 1245291A3
Authority
EP
European Patent Office
Prior art keywords
valve unit
electrostatic coating
coating installation
optoelectronic sensor
valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP02006090A
Other languages
German (de)
French (fr)
Other versions
EP1245291A2 (en
EP1245291B1 (en
Inventor
Hans-Jürgen Dr. Nolte
Harry Krumma
Frank Herre
Michael Baumann
Stefano Giuliano
Siegfried Poppe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Duerr Systems AG
Original Assignee
Duerr Systems AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE10115472A external-priority patent/DE10115472A1/en
Application filed by Duerr Systems AG filed Critical Duerr Systems AG
Publication of EP1245291A2 publication Critical patent/EP1245291A2/en
Publication of EP1245291A3 publication Critical patent/EP1245291A3/en
Application granted granted Critical
Publication of EP1245291B1 publication Critical patent/EP1245291B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
    • B05B1/3033—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head
    • B05B1/304—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve
    • B05B1/3046—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve the valve element, e.g. a needle, co-operating with a valve seat located downstream of the valve element and its actuating means, generally in the proximity of the outlet orifice
    • B05B1/306—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve the valve element, e.g. a needle, co-operating with a valve seat located downstream of the valve element and its actuating means, generally in the proximity of the outlet orifice the actuating means being a fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/004—Arrangements for controlling delivery; Arrangements for controlling the spray area comprising sensors for monitoring the delivery, e.g. by displaying the sensed value or generating an alarm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/02—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling time, or sequence, of delivery
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/04—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
  • Electrostatic Spraying Apparatus (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

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.
EP02006090A 2001-03-29 2002-03-18 Valve unit for an electrostatic coating installation Expired - Lifetime EP1245291B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10115472 2001-03-29
DE10115472A DE10115472A1 (en) 2001-03-29 2001-03-29 Valve unit for use in electrostatic painting apparatus has an optoelectronic sensor device with light wave conductors and an optoelectronic sensor to sense an indexing position and to generate a corresponding sensing signal.
DE10161549 2001-12-14
DE10161549 2001-12-14

Publications (3)

Publication Number Publication Date
EP1245291A2 EP1245291A2 (en) 2002-10-02
EP1245291A3 true EP1245291A3 (en) 2005-01-26
EP1245291B1 EP1245291B1 (en) 2006-10-18

Family

ID=26008941

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02006090A Expired - Lifetime EP1245291B1 (en) 2001-03-29 2002-03-18 Valve unit for an electrostatic coating installation

Country Status (4)

Country Link
EP (1) EP1245291B1 (en)
AT (1) ATE342774T1 (en)
DE (1) DE50208463D1 (en)
ES (1) ES2272593T3 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101452349B1 (en) 2006-09-27 2014-10-21 듀르 시스템스 게엠베하 Electrostatic sprayer arrangement
DE102006045631A1 (en) * 2006-09-27 2008-04-10 Dürr Systems GmbH Sprayer arrangement for coating machine for series-wise electrostatic coating of workpiece, e.g. motor vehicle body or parts, has transformer arrangement that has high voltage-isolation device between primary and secondary circuits
DE102007004819A1 (en) 2007-01-31 2008-08-21 Dürr Systems GmbH Sprayer arrangement for coating machine for series-wise electrostatic coating of workpiece, e.g. motor vehicle body or parts, has transformer arrangement that has high voltage-isolation device between primary and secondary circuits
BRPI0719725B1 (en) 2006-12-12 2020-04-14 Duerr Systems Gmbh cladding apparatus for series cladding of workpieces in different shades
DE102006058562A1 (en) 2006-12-12 2008-08-14 Dürr Systems GmbH Coating device for serially coating workpieces with different shades comprises a separate color changer containing color valves to which are connected color lines for the coating material
DE102007029195A1 (en) 2007-06-25 2009-02-19 Dürr Systems GmbH Coating device for serially coating workpieces with different shades comprises a separate color changer containing color valves to which are connected color lines for the coating material
DE102007033892A1 (en) 2007-07-20 2009-01-22 Dürr Systems GmbH Method for process diagnostics and rotary atomizer arrangement

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4356397A (en) * 1980-06-18 1982-10-26 Westinghouse Electric Corp. Optical valve position sensor system
GB2159942A (en) * 1984-06-09 1985-12-11 Michael Roderick Oliver Fluid valve position sensor
DE4306800A1 (en) * 1993-03-04 1994-09-08 Duerr Gmbh & Co Coating apparatus with a rotary sprayer
EP0846498A1 (en) * 1996-12-06 1998-06-10 ITW Oberflächentechnik GmbH Spray coating installation with automatic monitoring of operation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4356397A (en) * 1980-06-18 1982-10-26 Westinghouse Electric Corp. Optical valve position sensor system
GB2159942A (en) * 1984-06-09 1985-12-11 Michael Roderick Oliver Fluid valve position sensor
DE4306800A1 (en) * 1993-03-04 1994-09-08 Duerr Gmbh & Co Coating apparatus with a rotary sprayer
EP0846498A1 (en) * 1996-12-06 1998-06-10 ITW Oberflächentechnik GmbH Spray coating installation with automatic monitoring of operation

Also Published As

Publication number Publication date
DE50208463D1 (en) 2006-11-30
EP1245291A2 (en) 2002-10-02
EP1245291B1 (en) 2006-10-18
ATE342774T1 (en) 2006-11-15
ES2272593T3 (en) 2007-05-01

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