WO2002048541A3 - Ultrasonic unitized fuel injector with ceramic valve body - Google Patents

Ultrasonic unitized fuel injector with ceramic valve body Download PDF

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Publication number
WO2002048541A3
WO2002048541A3 PCT/US2001/046988 US0146988W WO0248541A3 WO 2002048541 A3 WO2002048541 A3 WO 2002048541A3 US 0146988 W US0146988 W US 0146988W WO 0248541 A3 WO0248541 A3 WO 0248541A3
Authority
WO
WIPO (PCT)
Prior art keywords
injector
valve body
ultrasonic
fuel
actuating
Prior art date
Application number
PCT/US2001/046988
Other languages
French (fr)
Other versions
WO2002048541A2 (en
Inventor
Lee Kirby Jameson
Bernard Cohen
Lamar Heath Gipson
Original Assignee
Kimberly Clark Co
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 Kimberly Clark Co filed Critical Kimberly Clark Co
Priority to AU2002235162A priority Critical patent/AU2002235162A1/en
Priority to CA002428143A priority patent/CA2428143A1/en
Priority to EP01985515A priority patent/EP1342007B1/en
Priority to MXPA03004489A priority patent/MXPA03004489A/en
Priority to DE60131446T priority patent/DE60131446T2/en
Priority to KR1020037007712A priority patent/KR100756144B1/en
Priority to DE20122813U priority patent/DE20122813U1/en
Priority to JP2002550232A priority patent/JP2004521218A/en
Publication of WO2002048541A2 publication Critical patent/WO2002048541A2/en
Publication of WO2002048541A3 publication Critical patent/WO2002048541A3/en
Priority to NO20032404A priority patent/NO20032404D0/en

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
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • 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
    • F02M57/00—Fuel-injectors combined or associated with other devices
    • F02M57/02—Injectors structurally combined with fuel-injection pumps
    • F02M57/022—Injectors structurally combined with fuel-injection pumps characterised by the pump drive
    • F02M57/023—Injectors structurally combined with fuel-injection pumps characterised by the pump drive mechanical
    • 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
    • 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

Abstract

An ultrasonic fuel injector (30) for injecting a pressurized liquid fuel into the combustion chamber of an internal combustion engine that uses an overhead cam (27) for actuating the injector includes a valve body (33) having an injector needle (36) disposed therein forming a needle valve to meter the flow of fuel through the injector. The valve body (33) is formed of ceramic material that is transparent to magnetic fields changing at ultrasonic frequencies. The injector needle (36) includes a magnetostrictive portion disposed in the region of the valve body that is surrounded by a wire coil wound around the outside surface of the ceramic valve body. The wire coil is connected to a source of electric power that oscillates at ultrasonic frequencies. A sensor (51) is configured to signal when the overhead cam is actuating the injector to inject fuel into the combustion chamber of the engine. The sensor is connected to a control (47) that is connected to the power source (46) and is configured to operate same only when the overhead cam (27) is actuating the injector to inject fuel into the combustion chamber of the engine.
PCT/US2001/046988 2000-12-11 2001-12-06 Ultrasonic unitized fuel injector with ceramic valve body WO2002048541A2 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
AU2002235162A AU2002235162A1 (en) 2000-12-11 2001-12-06 Ultrasonic unitized fuel injector with ceramic valve body
CA002428143A CA2428143A1 (en) 2000-12-11 2001-12-06 Ultrasonic unitized fuel injector with ceramic valve body
EP01985515A EP1342007B1 (en) 2000-12-11 2001-12-06 Ultrasonic unitized fuel injector with ceramic valve body
MXPA03004489A MXPA03004489A (en) 2000-12-11 2001-12-06 Ultrasonic unitized fuel injector with ceramic valve body.
DE60131446T DE60131446T2 (en) 2000-12-11 2001-12-06 ULTRASOUND FUEL INJECTION VALVE WITH A CERAMIC BODY
KR1020037007712A KR100756144B1 (en) 2000-12-11 2001-12-06 Ultrasonic unitized fuel injector with ceramic valve body
DE20122813U DE20122813U1 (en) 2000-12-11 2001-12-06 Modular ultrasonic fuel injector with a ceramic valve body
JP2002550232A JP2004521218A (en) 2000-12-11 2001-12-06 Integrated ultrasonic fuel injector with ceramic valve body
NO20032404A NO20032404D0 (en) 2000-12-11 2003-05-27 Ultrasonic, uniform fuel injector with ceramic valve body

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US25473700P 2000-12-11 2000-12-11
US60/254,737 2000-12-11
US09/915,633 US6543700B2 (en) 2000-12-11 2001-07-26 Ultrasonic unitized fuel injector with ceramic valve body
US09/915,633 2001-07-26

Publications (2)

Publication Number Publication Date
WO2002048541A2 WO2002048541A2 (en) 2002-06-20
WO2002048541A3 true WO2002048541A3 (en) 2002-08-22

Family

ID=26944218

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/046988 WO2002048541A2 (en) 2000-12-11 2001-12-06 Ultrasonic unitized fuel injector with ceramic valve body

Country Status (11)

Country Link
US (1) US6543700B2 (en)
EP (1) EP1342007B1 (en)
JP (1) JP2004521218A (en)
KR (1) KR100756144B1 (en)
AT (1) ATE378511T1 (en)
AU (1) AU2002235162A1 (en)
CA (1) CA2428143A1 (en)
DE (2) DE20122813U1 (en)
MX (1) MXPA03004489A (en)
NO (1) NO20032404D0 (en)
WO (1) WO2002048541A2 (en)

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WO2002048541A2 (en) 2002-06-20
ATE378511T1 (en) 2007-11-15
CA2428143A1 (en) 2002-06-20
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US6543700B2 (en) 2003-04-08
KR20030068556A (en) 2003-08-21
MXPA03004489A (en) 2003-09-05
US20020070287A1 (en) 2002-06-13
DE20122813U1 (en) 2008-01-10
AU2002235162A1 (en) 2002-06-24
KR100756144B1 (en) 2007-09-05
DE60131446T2 (en) 2008-02-28
DE60131446D1 (en) 2007-12-27
EP1342007A2 (en) 2003-09-10
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JP2004521218A (en) 2004-07-15
EP1342007B1 (en) 2007-11-14

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