Electronic control high-pressure oil injector with oil inlet and return mounting structure having high degree of freedom

A technology of high-pressure fuel injection and fuel injectors, which is applied in the direction of charging system, machine/engine, fuel injection device, etc.

Active Publication Date: 2016-09-07
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] However, since the electronically controlled high-pressure fuel injector is limited by the installation space of the aviation heavy fuel piston engine when it is installed on the aviation heavy fuel piston engine, the position, size and Shapes require special settings

Method used

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  • Electronic control high-pressure oil injector with oil inlet and return mounting structure having high degree of freedom

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Embodiment Construction

[0022] The specific implementation manners of the electronically controlled high-pressure fuel injector according to the present invention will be described in detail below in conjunction with the accompanying drawings. "Axial", "radial" and "circumferential" involved in the present invention refer to the axial, radial and circumferential directions of the injector respectively (see figure 1 Axial A and circumferential C). In addition, in the axial direction, the oil inlet side of the injector is the axial top end side (ie figure 1 The upper side of the injector), the injection side of the injector is the axial bottom end side (ie figure 1 the lower side of the ).

[0023] Such as figure 1 As shown, an electronically controlled high-pressure fuel injector 10 according to an embodiment of the present invention includes a fuel injector main body 1 and an oil passage installation part 2 . Among them, the injector body 1 is preferably substantially cylindrical.

[0024] In th...

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Abstract

The invention provides an electronic control high-pressure oil injector with an oil inlet and return mounting structure having a high degree of freedom. The electronic control high-pressure oil injector is especially suitable for aircraft engines such as an aircraft heavy oil piston engine. The electronic control high-pressure oil injector comprises an oil passage mounting part which is provided with a curved surface, and a mounting hole for connecting an oil passage of the electronic control high-pressure oil injector with an external component is formed in the curved surface. By the adoption of the technical scheme, the electronic control high-pressure oil injector suitable for different types of aircraft heavy oil piston engines is provided, and the mounting degree of freedom of the oil inlet and return mounting structure of the electronic control high-pressure oil injector is high.

Description

technical field [0001] The invention relates to an electronically controlled high-pressure fuel injector, in particular to an electronically controlled high-pressure fuel injector for aviation heavy fuel piston engines, and more particularly to an electronically controlled high-pressure fuel injector with a high degree of freedom in oil inlet and outlet installation structures. Background technique [0002] Aviation heavy oil piston engine is an important driving force for future aviation, especially the main driving force for general aviation and unmanned aerial vehicles. It is the most advanced aviation engine technology in the world today, with good power, economy, emission, safety, reliability and health characteristics. . [0003] The electronically controlled high-pressure fuel injection system is an important technology for aviation heavy fuel piston engines to realize time-pressure controlled injection of heavy fuel, optimize combustion and thermal cycle, and obtain ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02M51/06F02M61/16
CPCF02M51/0614F02M61/168
Inventor 张可周明牟学利
Owner TSINGHUA UNIV
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