Fuel Injection Valve

A fuel injection valve realizing improved circumferential uniformity of swirling fuel is provided. The fuel injection valve includes swirling chambers each having an inner peripheral wall whose curvature is gradually larger from upstream to downstream, paths for swirling each of which, having a fuel...

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Bibliographic Details
Main Authors ISHII EIJI, KOBAYASHI NOBUAKI, YOSHIMURA KAZUKI, MAEKAWA NORIYUKI, OKAMOTO YOSHIO, SAITO TAKAHIRO
Format Patent
LanguageEnglish
Published 11.09.2014
Subjects
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
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Summary:A fuel injection valve realizing improved circumferential uniformity of swirling fuel is provided. The fuel injection valve includes swirling chambers each having an inner peripheral wall whose curvature is gradually larger from upstream to downstream, paths for swirling each of which, having a fuel flow-in region formed along a valve axis direction, guides fuel to the associated one of the swirling chambers, and fuel injection orifices open into the associated swirling chambers, respectively. In the fuel injection valve, the paths for swirling are interconnected in a central portion of an orifice plate and are smaller in height toward where they are interconnected.
Bibliography:Application Number: US201414199378