Problem to be solved: to provide a fuel injection system capable of improving the durability of an injector for injecting gas fuel. The fuel injection system 10 includes injectors 40 and 50 for injecting gaseous fuel into an internal combustion engine, a fuel tank for storing gaseous fuel, and...
High injection pressures, up to 1500 bar, are achieved by a 7:1 pressure intensification between an engine oil hydraulic circuit and the fuel in the injector (Figure 10.12). A high-pressure oil pump, driven by the engine, raises the system’s oil pressure from typical engine operating levels...
The fuel injection system of this engine is a side mounted, wall guided six-hole injector located between two intake valves. The ignition system of this engine is a spark plug mounted and positioned on center of the cylinder head. Table 1 Engine specifications. Full size table For all test ...
PURPOSE:To improve wettability of an ignition plug as well as to elevate the starting qualities of an engine, by installing a throttle opening device and a fuel controlling device to control a fuel-injection quantity spouted out of a fuel- injector by operation of a cranking detecting device. ...
Fig. 9. The schematic diagram of an alcohol - hydrogen fuel system [159]. Hydrogen can be used for power propulsion in two main ways, proton exchange membrane fuel cells (PEMFC) and hydrogen engines [164]. PEMFC works as an “inverse” device for hydroelectricity, and the oxidation and re...
System Fuel pressure regulator Fuel tank Fuel pump Coolant Temperature sensor Throttle position sensor ECU injector Input pipe Intake Air Temperature Sensor Engine speed sensor Air flow sensor Filter Classification of fuel injection Mechanical control fuel injection system 1、Mechanical fuel injection system...
FIG. 3 (a-h) is a time-chart indicative of the control characteristic of the fuel injection system according to a first embodiment of the present invention; FIG. 4 is a diagram indicative of ranges of two different fuel injection patterns; ...
The prediction of the pressure-time diagram at any point of the injection system is possible. For the validation of the model, experimental data have been taken from a diesel engine operating at various speeds and loads. The fuel pressure in the line between the pump and injector has been ...
FIG. 1A is a circuit diagram showing an injector drive circuit of a fuel injection system according to an embodiment of the present invention; FIG. 1B is a time chart of drive current waveforms of two injectors of the fuel injection system for describing an overlap injection operation of the...
Referring to FIG. 1 which is a diagram showing an engine system using a single injector, air flows from upper part of an injector 3, passes through a throttle valve 4 for adjusting the quantity of air and is sucked into the cylinder of an internal combustion engine 2 while, at the same...