公开(公告)号：US20140284398A1

公开(公告)日：2014-09-25

申请号：US13846982

申请日：2013-03-19

Applicant: DELPHI TECHNOLOGIES, INC.

Inventor： DANIEL F. KABASIN ,  JASON C. SHORT ,  PATRICK M. GRIFFIN

IPC: F02M53/06

CPC classification number: F02M53/06 ,  F23D11/10

Abstract: A heated fuel injector for supplying fuel to a fuel consuming device includes a fuel inlet for receiving fuel, a fuel outlet for dispensing fuel from the fuel injector, and a fuel injector body extending along an axis and fluidly connecting the fuel inlet to the fuel outlet such that fuel flows within the injector body. A cylindrical heating element radially surrounds the fuel injector body and operates to heat fuel flowing through the fuel injector body. An annular space is defined between the heating element and the fuel injector body sufficiently large to accommodate thermally caused radial differential expansion between the fuel injector body and the heating element. A conductive material fills the annular space and has a melting point sufficiently low to be a liquid as the heating element operates to thereby substantially prevent transfer of mechanical stress to the heating element due to the radial differential expansion.

Abstract translation: 用于向燃料消耗装置供应燃料的加热燃料喷射器包括用于接收燃料的燃料入口，用于从燃料喷射器分配燃料的燃料出口和沿轴线延伸的燃料喷射器主体，并将燃料入口流体连接到燃料出口 使得燃料在喷射器主体内流动。 圆柱形加热元件径向地围绕燃料喷射器主体并且操作以加热流过燃料喷射器主体的燃料。 在加热元件和燃料喷射器主体之间限定一个足够大的环形空间以适应燃料喷射器主体和加热元件之间的热引起的径向差动膨胀。 当加热元件操作时，导电材料填充环形空间并且具有足够低的熔点以成为液体，从而基本上防止由于径向差分膨胀而向加热元件传递机械应力。