LIQUID FUEL INJECTOR
Provided is a liquid fuel injection body capable of further reducing a film thickness of an injected liquid fuel.A liquid fuel injection body (120) includes: an annular fuel passage (PF) extending in an axial direction and provided inside the liquid fuel injection body (120), the fuel passage (PF) i...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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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 (120) includes: an annular fuel passage (PF) extending in an axial direction and provided inside the liquid fuel injection body (120), the fuel passage (PF) is defined by a fuel passage outer wall (PFE) located outward in a radial direction and a fuel passage inner wall (PFI) located inward in the radial direction, a plurality of throttle passages (PFo) disposed discretely in a circumferential direction are provided at a portion of the fuel passage (PF) on an upstream side with respect to a downstream end of the fuel passage (PF), each of the throttle passages (PFo) is defined by a throttle passage outer wall (PFoE) located outward in the radial direction and formed as a cylindrical surface, a throttle passage inner wall (PFoI) located inward in the radial direction, and two throttle passage side walls (PFoS) connecting end portions of the throttle passage outer wall (PFoE) and the throttle passage inner wall (PFoI) in the circumferential direction, and the throttle passage outer wall (PFoE) and the fuel passage outer wall (PFE) are flush whereas the throttle passage inner wall (PFoI) and the fuel passage inner wall (PFI) are not flush. |
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