DIRECT FUEL SUPPLY SYSTEM WITH ELECTRONICALLY CONTROLLED RING VALVE-Reference-Cited by-同舟云学术

DIRECT FUEL SUPPLY SYSTEM WITH ELECTRONICALLY CONTROLLED RING VALVE

Published:2022-04-23 Issue:1 Volume:17 Page:38-44
ISSN:2073-0462
Container-title:Vestnik of Kazan State Agrarian University
language:en
Short-container-title:

Author:

Gabdrafikov Fanil'¹,Harisov Denis²,Galiev Ilgiz³

Affiliation:

1. Bashkir State Agrarian University,

2. Bashkir State Agrarian University

3. Kazan State Agrarian University

Abstract

The studies were carried out with the aim of developing a method for skipping fuel supplies (turning off individual working piston strokes) at low crankshaft rotational speeds and at partial engine operating modes at low load in direct-acting fuel supply systems to improve fuel efficiency. The developed method is easily implemented using an electronically controlled ring-type discharge valve. A valve made in the form of rigid elastic ring and installed in the high-pressure line above the plunger pair regulates fuel skip. An electromagnet located in the cavity of the annular valve controls it using an electronic regulator, acting at the right time according to the signals coming from the sensors of the engine crankshaft speed, the volume of incoming air and the position of the piston. The proposed fuel supply system of direct action with an electronically controlled annular valve reliably ensures the speed and load characteristics of the engine by influencing the number of cycle fuel supplies. With a decrease in the load and speed of the engine crankshaft, the number of fuel supply cycle’s decreases due to a decrease in signals to the electromagnet winding and, as a result, the valve is not attracted and the fuel supply is skipped. A decrease in the unevenness of the fuel supply in terms of the dynamic component that occurs when the supply is turned off is ensured by a decrease in the inertia of the regulator action due to the electronic control of the annular valve. The developed mathematical model of a direct-acting fuel supply system with an annular pressure valve makes it possible to reveal the relationship between the fuel supply parameters and the design dimensions of the split ring. Such a fuel supply system of direct action with an electronically controlled delivery valve allows, due to skipping of working strokes in low load and idle modes, redistributing the provided volume of fuel to working cylinders, significantly reduce fuel consumption

Publisher

Infra-M Academic Publishing House

Reference11 articles.

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