Liquid fuel injection body

Provided is a liquid fuel injection body capable of further reducing a film thickness of an injected liquid fuel. A liquid fuel injection body includes: an annular fuel passage extending in an axial direction and provided inside the liquid fuel injection body, the fuel passage is defined by a fuel p...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: Hiromitsu, Nagayoshi
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:Provided is a liquid fuel injection body capable of further reducing a film thickness of an injected liquid fuel. A liquid fuel injection body includes: an annular fuel passage extending in an axial direction and provided inside the liquid fuel injection body, the fuel passage is defined by a fuel passage outer wall located outward in a radial direction and a fuel passage inner wall located inward in the radial direction, a plurality of throttle passages disposed discretely in a circumferential direction are provided at a portion of the fuel passage on an upstream side with respect to a downstream end of the fuel passage, each of the throttle passages is defined by a throttle passage outer wall located outward in the radial direction and formed as a cylindrical surface, a throttle passage inner wall located inward in the radial direction, and two throttle passage side walls connecting end portions of the throttle passage outer wall and the throttle passage inner wall in the circumferential direction, and the throttle passage outer wall and the fuel passage outer wall are flush whereas the throttle passage inner wall and the fuel passage inner wall are not flush.