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GB2358818A - Switchable spray generator and method of operation - Google Patents

Switchable spray generator and method of operation

Info

Publication number
GB2358818A
GB2358818A GB0111038A GB0111038A GB2358818A GB 2358818 A GB2358818 A GB 2358818A GB 0111038 A GB0111038 A GB 0111038A GB 0111038 A GB0111038 A GB 0111038A GB 2358818 A GB2358818 A GB 2358818A
Authority
GB
United Kingdom
Prior art keywords
spray generator
switchable spray
nozzles
electrically switchable
waves
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
GB0111038A
Other versions
GB2358818B (en
GB0111038D0 (en
Inventor
Andrew Jonathan Sant
Van Rensburg Richard Wil Janse
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.)
TECHNOLOGY PARTERNERSHIP PLC
Technology Partnership PLC
Original Assignee
TECHNOLOGY PARTERNERSHIP PLC
Technology Partnership PLC
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 TECHNOLOGY PARTERNERSHIP PLC, Technology Partnership PLC filed Critical TECHNOLOGY PARTERNERSHIP PLC
Publication of GB0111038D0 publication Critical patent/GB0111038D0/en
Publication of GB2358818A publication Critical patent/GB2358818A/en
Application granted granted Critical
Publication of GB2358818B publication Critical patent/GB2358818B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • B41J2/145—Arrangement thereof
    • B41J2/155—Arrangement thereof for line printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
    • B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
    • B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
    • B05B17/0607—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers
    • B05B17/0638—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers spray being produced by discharging the liquid or other fluent material through a plate comprising a plurality of orifices
    • B05B17/0646—Vibrating plates, i.e. plates being directly subjected to the vibrations, e.g. having a piezoelectric transducer attached thereto
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/02—Ink jet characterised by the jet generation process generating a continuous ink jet
    • B41J2/025—Ink jet characterised by the jet generation process generating a continuous ink jet by vibration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
    • B41J2202/01—Embodiments of or processes related to ink-jet heads
    • B41J2202/15—Moving nozzle or nozzle plate

Landscapes

  • Special Spraying Apparatus (AREA)

Abstract

An electrically switchable spray generator is provided for simultaneously generating multiple streams of droplets. Pulsatile and resonant methods of operating such an electrically switchable spray generator are also provided. Travelling waves (19, 20) are generated within and on the surface of a flexural plate (3) by actuator means (1) such that the confluence of these waves coincides with a linear array of nozzles (4). Liquid supplied to the nozzles is thereby caused to be ejected simultaneously.
GB0111038A 1998-12-10 1999-12-10 Switchable spray generator and method of operation Expired - Fee Related GB2358818B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9827262.8A GB9827262D0 (en) 1998-12-10 1998-12-10 Switchable spray generator and method of operation
PCT/GB1999/004172 WO2000033972A1 (en) 1998-12-10 1999-12-10 Switchable spray generator and method of operation

Publications (3)

Publication Number Publication Date
GB0111038D0 GB0111038D0 (en) 2001-06-27
GB2358818A true GB2358818A (en) 2001-08-08
GB2358818B GB2358818B (en) 2002-11-20

Family

ID=10844020

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9827262.8A Ceased GB9827262D0 (en) 1998-12-10 1998-12-10 Switchable spray generator and method of operation
GB0111038A Expired - Fee Related GB2358818B (en) 1998-12-10 1999-12-10 Switchable spray generator and method of operation

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9827262.8A Ceased GB9827262D0 (en) 1998-12-10 1998-12-10 Switchable spray generator and method of operation

Country Status (3)

Country Link
AU (1) AU1670900A (en)
GB (2) GB9827262D0 (en)
WO (1) WO2000033972A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011141475A1 (en) 2010-05-13 2011-11-17 Nortev Limited Aerosol generator assembly
GB201518337D0 (en) 2015-10-16 2015-12-02 The Technology Partnership Plc Linear device

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3679132A (en) * 1970-01-21 1972-07-25 Cotton Inc Jet stream vibratory atomizing device
US4370663A (en) * 1980-12-03 1983-01-25 Xerox Corporation Thin body ink drop generator
EP0084458A2 (en) * 1982-01-18 1983-07-27 Matsushita Electric Industrial Co., Ltd. Ultrasonic liquid ejecting apparatus
US4533925A (en) * 1984-06-22 1985-08-06 The Mead Corporation Ink jet printer with non-uniform rectangular pattern of print positions
WO1993010910A1 (en) * 1991-12-04 1993-06-10 The Technology Partnership Limited Fluid droplet production apparatus and method
EP0710898A1 (en) * 1994-11-04 1996-05-08 Agfa-Gevaert N.V. A device for direct electrostatic printing (DEP) comprising rows of smaller and larger sized aperture
GB2298150A (en) * 1995-02-22 1996-08-28 Fuji Photo Film Co Ltd Liquid injection apparatus
WO1996031289A1 (en) * 1993-12-07 1996-10-10 Fluid Propulsion Technologies, Inc. Methods and apparatus for dispensing liquids as an atomized spray
WO1999054140A1 (en) * 1998-04-17 1999-10-28 The Technology Partnership Plc Liquid projection apparatus

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3679132A (en) * 1970-01-21 1972-07-25 Cotton Inc Jet stream vibratory atomizing device
US4370663A (en) * 1980-12-03 1983-01-25 Xerox Corporation Thin body ink drop generator
EP0084458A2 (en) * 1982-01-18 1983-07-27 Matsushita Electric Industrial Co., Ltd. Ultrasonic liquid ejecting apparatus
US4533925A (en) * 1984-06-22 1985-08-06 The Mead Corporation Ink jet printer with non-uniform rectangular pattern of print positions
WO1993010910A1 (en) * 1991-12-04 1993-06-10 The Technology Partnership Limited Fluid droplet production apparatus and method
WO1996031289A1 (en) * 1993-12-07 1996-10-10 Fluid Propulsion Technologies, Inc. Methods and apparatus for dispensing liquids as an atomized spray
EP0710898A1 (en) * 1994-11-04 1996-05-08 Agfa-Gevaert N.V. A device for direct electrostatic printing (DEP) comprising rows of smaller and larger sized aperture
GB2298150A (en) * 1995-02-22 1996-08-28 Fuji Photo Film Co Ltd Liquid injection apparatus
WO1999054140A1 (en) * 1998-04-17 1999-10-28 The Technology Partnership Plc Liquid projection apparatus

Also Published As

Publication number Publication date
GB2358818B (en) 2002-11-20
GB0111038D0 (en) 2001-06-27
WO2000033972A1 (en) 2000-06-15
AU1670900A (en) 2000-06-26
GB9827262D0 (en) 1999-02-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20031210