EP1300586A3 - Liquid injection apparatus - Google Patents

Liquid injection apparatus Download PDF

Info

Publication number
EP1300586A3
EP1300586A3 EP02256849A EP02256849A EP1300586A3 EP 1300586 A3 EP1300586 A3 EP 1300586A3 EP 02256849 A EP02256849 A EP 02256849A EP 02256849 A EP02256849 A EP 02256849A EP 1300586 A3 EP1300586 A3 EP 1300586A3
Authority
EP
European Patent Office
Prior art keywords
liquid
injection
injection unit
space
injection apparatus
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.)
Withdrawn
Application number
EP02256849A
Other languages
German (de)
French (fr)
Other versions
EP1300586A2 (en
Inventor
Takao c/o Int Prop Dept. NGK Insulators Ohnishi
Toshikazu Int Prop Dept. NGK Insulators Hirota
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.)
NGK Insulators Ltd
Original Assignee
NGK Insulators Ltd
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 NGK Insulators Ltd filed Critical NGK Insulators Ltd
Publication of EP1300586A2 publication Critical patent/EP1300586A2/en
Publication of EP1300586A3 publication Critical patent/EP1300586A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • F02M61/1853—Orifice plates
    • F02M61/186—Multi-layered orifice plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/0603—Injectors peculiar thereto with means directly operating the valve needle using piezoelectric or magnetostrictive operating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
    • F02M61/047—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series the valves being formed by deformable nozzle parts, e.g. flexible plates or discs with fuel discharge orifices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/166—Selection of particular materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • F02M61/1806—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for characterised by the arrangement of discharge orifices, e.g. orientation or size
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/04—Injectors peculiar thereto
    • F02M69/041—Injectors peculiar thereto having vibrating means for atomizing the fuel, e.g. with sonic or ultrasonic vibrations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • F02M61/1853—Orifice plates

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Special Spraying Apparatus (AREA)

Abstract

A liquid injection apparatus is provided which is capable of uniformly atomizing and injecting liquid such as fuel even if the surrounding environment changes significantly.
A liquid injection apparatus (10) comprises an injection unit (14) fixed to a liquid injection space (21) defined by, e.g., a suction pipe (20) of an internal combustion engine, and a pressurizing pump (11) for pressurizing liquid from a liquid storage tank (22) up to a pressure to supply the liquid to the injection unit and to inject the liquid into the space. The injection unit comprises, in order to atomize the liquid supplied by the pressurizing pump, a plurality of chambers in which a piezoelectric/electrostrictive element is formed at least on its wall surface, and a plurality of liquid ejection nozzles. Vibration energy induced by the piezoelectric/electrostrictive element is given to the pressurized liquid in the chamber of the injection unit. and the liquid is atomized and injected into the liquid injection space from the extremity of the liquid ejection nozzle.
EP02256849A 2001-10-02 2002-10-02 Liquid injection apparatus Withdrawn EP1300586A3 (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP2001306385 2001-10-02
JP2001306385 2001-10-02
JP2001352166 2001-11-16
JP2001352166 2001-11-16
JP2002067216 2002-03-12
JP2002067216 2002-03-12
JP2002209223 2002-07-18
JP2002209223A JP2003334479A (en) 2001-10-02 2002-07-18 Liquid jetting apparatus

Publications (2)

Publication Number Publication Date
EP1300586A2 EP1300586A2 (en) 2003-04-09
EP1300586A3 true EP1300586A3 (en) 2003-12-03

Family

ID=27482603

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02256849A Withdrawn EP1300586A3 (en) 2001-10-02 2002-10-02 Liquid injection apparatus

Country Status (2)

Country Link
EP (1) EP1300586A3 (en)
JP (1) JP2003334479A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004052619A (en) * 2002-07-18 2004-02-19 Ngk Insulators Ltd Liquid injection device
JP4566669B2 (en) * 2004-09-21 2010-10-20 日本碍子株式会社 Bubble jet device
JP4529889B2 (en) * 2005-02-10 2010-08-25 セイコーエプソン株式会社 Piezoelectric vibrator, adjustment method of piezoelectric vibrator, piezoelectric actuator, timepiece, electronic device
JP4283255B2 (en) * 2005-08-04 2009-06-24 株式会社ケーヒン Gas fuel injection valve
JP2007325993A (en) * 2006-06-06 2007-12-20 Fuji Xerox Co Ltd Functional material coating system and method
WO2009128546A1 (en) 2008-04-18 2009-10-22 日本碍子株式会社 Method for testing piezoelectric/electrostrictive device, testing apparatus, and method for adjusting piezoelectric/electrostrictive device
US10128087B2 (en) 2014-04-07 2018-11-13 Lam Research Corporation Configuration independent gas delivery system
US10557197B2 (en) * 2014-10-17 2020-02-11 Lam Research Corporation Monolithic gas distribution manifold and various construction techniques and use cases therefor
US10022689B2 (en) 2015-07-24 2018-07-17 Lam Research Corporation Fluid mixing hub for semiconductor processing tool
US10118263B2 (en) 2015-09-02 2018-11-06 Lam Researech Corporation Monolithic manifold mask and substrate concepts
US9879795B2 (en) 2016-01-15 2018-01-30 Lam Research Corporation Additively manufactured gas distribution manifold
US10215317B2 (en) 2016-01-15 2019-02-26 Lam Research Corporation Additively manufactured gas distribution manifold

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58122359A (en) * 1982-01-13 1983-07-21 Hitachi Ltd Porous type intermittent fuel supply device
JPS58155232A (en) * 1982-03-10 1983-09-14 Mitsubishi Electric Corp Fuel supply device
JPS6114468A (en) * 1984-06-29 1986-01-22 Mitsubishi Motors Corp Fuel injector
GB2177623A (en) * 1985-07-11 1987-01-28 Bosch Gmbh Robert Ultrasonic atomiser
US5437255A (en) * 1994-03-15 1995-08-01 Sadley; Mark L. Fuel injection sytem employing solid-state injectors for liquid fueled combustion engines
DE4424785A1 (en) * 1994-07-14 1996-01-18 Kurt Uppenbrock Fluid vaporiser for automotive or medical applications
US5685485A (en) * 1994-03-22 1997-11-11 Siemens Aktiengesellschaft Apparatus for apportioning and atomizing fluids
FR2762648A1 (en) * 1997-04-25 1998-10-30 Renault FUEL INJECTION DEVICE FOR INTERNAL COMBUSTION ENGINE

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58122359A (en) * 1982-01-13 1983-07-21 Hitachi Ltd Porous type intermittent fuel supply device
JPS58155232A (en) * 1982-03-10 1983-09-14 Mitsubishi Electric Corp Fuel supply device
JPS6114468A (en) * 1984-06-29 1986-01-22 Mitsubishi Motors Corp Fuel injector
GB2177623A (en) * 1985-07-11 1987-01-28 Bosch Gmbh Robert Ultrasonic atomiser
US5437255A (en) * 1994-03-15 1995-08-01 Sadley; Mark L. Fuel injection sytem employing solid-state injectors for liquid fueled combustion engines
US5685485A (en) * 1994-03-22 1997-11-11 Siemens Aktiengesellschaft Apparatus for apportioning and atomizing fluids
DE4424785A1 (en) * 1994-07-14 1996-01-18 Kurt Uppenbrock Fluid vaporiser for automotive or medical applications
FR2762648A1 (en) * 1997-04-25 1998-10-30 Renault FUEL INJECTION DEVICE FOR INTERNAL COMBUSTION ENGINE

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 007, no. 230 (M - 249) 12 October 1983 (1983-10-12) *
PATENT ABSTRACTS OF JAPAN vol. 007, no. 279 (M - 262) 13 December 1983 (1983-12-13) *
PATENT ABSTRACTS OF JAPAN vol. 010, no. 163 (M - 487) 11 June 1986 (1986-06-11) *

Also Published As

Publication number Publication date
JP2003334479A (en) 2003-11-25
EP1300586A2 (en) 2003-04-09

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