CA2300294A1 - A dispensing device - Google Patents

A dispensing device Download PDF

Info

Publication number
CA2300294A1
CA2300294A1 CA002300294A CA2300294A CA2300294A1 CA 2300294 A1 CA2300294 A1 CA 2300294A1 CA 002300294 A CA002300294 A CA 002300294A CA 2300294 A CA2300294 A CA 2300294A CA 2300294 A1 CA2300294 A1 CA 2300294A1
Authority
CA
Canada
Prior art keywords
comminuted material
ions
electrical discharge
discharge electrode
comminution site
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
CA002300294A
Other languages
French (fr)
Other versions
CA2300294C (en
Inventor
Alastair Bruce Pirrie
Ronald Alan Coffee
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.)
Battelle Memorial Institute Inc
Original Assignee
Individual
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
Application filed by Individual filed Critical Individual
Publication of CA2300294A1 publication Critical patent/CA2300294A1/en
Application granted granted Critical
Publication of CA2300294C publication Critical patent/CA2300294C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • B05B5/002—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means comprising means for neutralising the spray of charged droplets or particules
    • 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
    • B05B5/0255—Discharge apparatus, e.g. electrostatic spray guns spraying and depositing by electrostatic forces only
    • 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
    • B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
    • B05B1/04—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape in flat form, e.g. fan-like, sheet-like
    • B05B1/042—Outlets having two planes of symmetry perpendicular to each other, one of them defining the plane of the jet

Abstract

A supply pipe (33) supplies a liquid to a comminution site (40) at which the liquid is subjected to an electric field so as to produce charged comminuted material. An electrical discharge electrode (5) produces ions to at least partially electrically discharge the comminuted material. A further electrode (60) spaced from the comminution site (40) by the electrical discharge electrode (50) electrically attracts ions produced by the electrical discharge electrode (50) away from the comminution site (40) until sufficient space charge is built up to divert the ions towards the charged comminuted material to enable the ions at least partially to discharge the comminuted material.
CA002300294A 1997-08-08 1998-08-07 A dispensing device Expired - Fee Related CA2300294C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9716888.4 1997-08-08
GB9716888A GB2327895B (en) 1997-08-08 1997-08-08 A dispensing device
PCT/GB1998/002385 WO1999007478A1 (en) 1997-08-08 1998-08-07 A dispensing device

Publications (2)

Publication Number Publication Date
CA2300294A1 true CA2300294A1 (en) 1999-02-18
CA2300294C CA2300294C (en) 2009-05-26

Family

ID=10817256

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002300294A Expired - Fee Related CA2300294C (en) 1997-08-08 1998-08-07 A dispensing device

Country Status (12)

Country Link
US (1) US6595208B1 (en)
EP (1) EP1015128B1 (en)
JP (1) JP4354112B2 (en)
CN (1) CN1153627C (en)
AT (1) ATE257746T1 (en)
AU (1) AU736887B2 (en)
CA (1) CA2300294C (en)
DE (1) DE69821124T2 (en)
GB (1) GB2327895B (en)
NZ (1) NZ502599A (en)
RU (1) RU2213628C2 (en)
WO (1) WO1999007478A1 (en)

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Also Published As

Publication number Publication date
ATE257746T1 (en) 2004-01-15
CA2300294C (en) 2009-05-26
RU2213628C2 (en) 2003-10-10
GB2327895A (en) 1999-02-10
EP1015128B1 (en) 2004-01-14
JP2001513423A (en) 2001-09-04
DE69821124D1 (en) 2004-02-19
US6595208B1 (en) 2003-07-22
GB2327895B (en) 2001-08-08
NZ502599A (en) 2001-12-21
AU736887B2 (en) 2001-08-02
CN1275099A (en) 2000-11-29
JP4354112B2 (en) 2009-10-28
AU8737198A (en) 1999-03-01
EP1015128A1 (en) 2000-07-05
WO1999007478A1 (en) 1999-02-18
CN1153627C (en) 2004-06-16
DE69821124T2 (en) 2004-11-18
GB9716888D0 (en) 1997-10-15

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