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Engine fuel oil supply system and fuel oil supply control method

A fuel supply and control method technology, which is applied to engine components, machines/engines, charging systems, etc., can solve the problems of complex control methods and control signals, high requirements for fuel cleanliness, and large mass and volume, and achieves control methods and Simple control signal, strong anti-pollution, low cleanliness requirements

Inactive Publication Date: 2018-09-14
AECC HUNAN AVIATION POWERPLANT RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides an engine fuel supply system and a fuel supply control method to solve the problem that the existing fuel supply system has complex structure, many parts, large mass and volume, complex control methods and control signals, high requirements on fuel cleanliness, Technical problems of poor pollution resistance and low reliability

Method used

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  • Engine fuel oil supply system and fuel oil supply control method
  • Engine fuel oil supply system and fuel oil supply control method
  • Engine fuel oil supply system and fuel oil supply control method

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Embodiment Construction

[0030] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.

[0031] refer to Figure 2 to Figure 4 , the preferred embodiment of the present invention provides a kind of engine fuel supply system, is used for controlling the fuel supply of engine 10, comprises fuel pump 20 and the power unit that drives fuel pump 20, and the fuel inlet of fuel pump 20 connects fuel tank 30, fuel oil The oil outlet of the pump 20 is connected with the combustion chamber of the engine 10, the power unit is connected with the electronic controller 101 of the engine 10 in communication, and the oil outlet of the fuel pump 20 is connected with the combustion chamber of the engine 10. Fuel metering device 50 for metering fuel in the chamber. The fuel metering device 50 includes a high-speed control valve 51 for continuous fuel supp...

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Abstract

The invention discloses an engine fuel oil supply system and a fuel oil supply control method. The engine fuel oil supply system is used for controlling fuel oil supply of an engine and comprises a fuel oil pump and a power unit for driving the fuel oil pump; the oil inlet of the fuel oil pump is connected with a fuel tank; the oil outlet of the fuel oil pump is connected with a combustion chamberof the engine; the power unit is in communication connection with an electronic controller of the engine; a fuel oil metering device for controlling the metering fuel oil entering the combustion chamber is arranged on a pipeline through which the oil outlet of the fuel oil pump is connected with the combustion chamber of the engine; and the fuel oil metering device comprises a high-speed controlvalve for realizing continuous supply or cutoff of the fuel oil as well as a pressure pulsation absorber for enabling the fuel oil to be continuous and stable. The high-speed control valve is in electric signal connection with the electronic controller; the oil inlet of the high-speed control valve is connected with the fuel oil pump; and the oil outlet of the high-speed control valve is connectedwith the pressure pulsation absorber. The oil outlet of the pressure pulsation absorber is connected with the combustion chamber of the engine.

Description

technical field [0001] The invention relates to the technical field of engines, in particular to an engine fuel supply system. In addition, the invention also relates to an engine fuel supply control method. Background technique [0002] The fuel system of the aero-engine is used to supply fuel to the combustion chamber of the aero-engine, and is an important part of the aircraft power unit, and the fuel metering device in the engine is the key technology of the engine fuel control system. [0003] Existing typical aero-engine fuel supply system is shown in the attached figure figure 1 As shown, when working, after the fuel pump pumps out fuel from the fuel tank, the fuel enters the engine combustion chamber after being metered by the fuel metering device (including equal pressure valve, constant pressure valve, electro-hydraulic servo valve, metering oil needle and displacement sensor); The electronic controller calculates the target speed according to the engine state co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02M37/04
CPCF02M37/0023F02M37/0041F02M37/0047F02M37/04
Inventor 邓文革刘铁庚邓佳周剑波黄波张秋贵罗铁彬
Owner AECC HUNAN AVIATION POWERPLANT RES INST
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