FUEL INJECTION DEVICE

In a fuel injection device, a driving unit structure has a magnetic aperture (201), in which an inner diameter is gradually enlarged toward the mover (102) side, provided in an inner peripheral surface of the magnetic core (107). It is possible to reduce magnetic delay time upon valve opening from t...

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Main Authors ABE, MOTOYUKI, MAEKAWA, NORIYUKI, KUSAKABE, RYO, MIYAKE, TAKAO, NAMAIZAWA, YASUO, ISHIKAWA, TOHRU, SOMA, MASAHIRO
Format Patent
LanguageEnglish
French
German
Published 30.09.2015
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Abstract In a fuel injection device, a driving unit structure has a magnetic aperture (201), in which an inner diameter is gradually enlarged toward the mover (102) side, provided in an inner peripheral surface of the magnetic core (107). It is possible to reduce magnetic delay time upon valve opening from the supply of the electric current to the coil to the rise of magnetic flux and magnetic delay time upon valve closing from the stoppage of the electric current to the coil to reduction of magnetic flux, by providing a magnetic aperture (201) in the inner peripheral surface of the magnetic core (107). Thus it is possible to improve the dynamic responsiveness upon valve opening and valve closing.
AbstractList In a fuel injection device, a driving unit structure has a magnetic aperture (201), in which an inner diameter is gradually enlarged toward the mover (102) side, provided in an inner peripheral surface of the magnetic core (107). It is possible to reduce magnetic delay time upon valve opening from the supply of the electric current to the coil to the rise of magnetic flux and magnetic delay time upon valve closing from the stoppage of the electric current to the coil to reduction of magnetic flux, by providing a magnetic aperture (201) in the inner peripheral surface of the magnetic core (107). Thus it is possible to improve the dynamic responsiveness upon valve opening and valve closing.
Author ISHIKAWA, TOHRU
MAEKAWA, NORIYUKI
SOMA, MASAHIRO
MIYAKE, TAKAO
NAMAIZAWA, YASUO
KUSAKABE, RYO
ABE, MOTOYUKI
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– fullname: ISHIKAWA, TOHRU
– fullname: SOMA, MASAHIRO
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DocumentTitleAlternate KRAFTSTOFFEINSPRITZVORRICHTUNG
DISPOSITIF D'INJECTION DE CARBURANT
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RelatedCompanies HITACHI AUTOMOTIVE SYSTEMS, LTD
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Snippet In a fuel injection device, a driving unit structure has a magnetic aperture (201), in which an inner diameter is gradually enlarged toward the mover (102)...
SourceID epo
SourceType Open Access Repository
SubjectTerms BLASTING
COMBUSTION ENGINES
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
LIGHTING
MECHANICAL ENGINEERING
SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF
WEAPONS
Title FUEL INJECTION DEVICE
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