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US 6,648,298 B2Granted
Electromagnetic fuel injection valve
AssigneesHitachi Car Engineering Co., Ltd., Hitachi, Ltd.
InventorsMasahiro Souma, Yasuo Namaizawa, Hiromasa Kubo
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Abstract
The present invention provides a fuel injection valve including a stationary core and a movable core having one end opposed to one end of the stationary core, the movable core being movable toward the one end of the stationary core upon magnetization of the stationary core and a valve on the other end of the movable core and movable with the movable core, the valve being supported by a valve seat base and a cylindrical body extends from at least the stationary core to the base.
Claims27
A fuel injection valve comprising:
- a stationary core and a movable core having one end opposed to one end of said stationary core, said movable core being movable toward said one end of said stationary core upon magnetization of said stationary core and a valve on the other end of said movable core and movable with said movable core, said valve being supported by a valve seat base and a body formed of a magnetic material and extending from at least said stationary core to said base, wherein said body has a nonmagnetic section.
A fuel injection valve comprising:
- a magnetic coil;
- a stationary core adapted to be magnetized upon energization of said magnetic coil;
- a movable core having one end opposed to one end of said stationary core, said movable core being movable toward said one end of said stationary core upon magnetization of said stationary core;
- a valve on the other end of said movable core and movable with said movable core to open and close a fuel injection port, said valve being supported by a valve seat base;
- and
- a body formed of a magnetic material and extending from at least said stationary core to said valve seat base, wherein said body has a nonmagnetic section and said body guides said movable core and supporting said base.
3 more elements
An engine comprising:
- an engine control unit;
- a fuel injection valve electrically coupled to said engine control unit for regulating fuel injecting, said valve comprising:
- a magnetic coil;
- a stationary core adapted to be magnetized upon energization of said magnetic coil;
- a movable core having one end opposed to one end of said stationary core, said movable core being movable toward said one end of said stationary core upon magnetization of said stationary core;
- a valve on the other end of said movable core and movable with said movable core to open and close a fuel injection port, said valve being supported by a valve seat base;
- and
- a body formed of a magnetic material and extending from at least said stationary core to said valve seat base,
- wherein said body has a nonmagnetic section and said body guides said movable core and supporting said base.
6 more elements
Dependencies are inferred from the claim text.