The wings are in the rotor, pressed against the inner annular housing and centrifugal force of rotation by spring force during the formation of the chamber. The feed pump is driven by a drive shaft, sucks in fuel and supplies fuel to the high pressure pump.
The low fuel pressure circuit must provide sufficient fuel for the high pressure fuel circuit. The Bosch VP44 fuel pump, precisely controls the amount of fuel injection, even in this range prevents smoke that is negatively affected by acceleration. When the amount of fuel injected increases, to increase engine power at acceleration, the excess fuel usually smoke. As a control unit the system consists of a motor control module - ECU - (ECM) and a pump control unit -ECU pump- (PSG). Quick control of the amount of fuel for injection and injection time is performed by control units, which enables lower fuel consumption and high power output. This contributes to cleaner exhaust emissions. High fuel injection pressure, the fuel is sprayed at high pressure with a high degree of penetrating power (fuel droplets penetrate further) and with greater dispersion and distribution (mixing with air is improved) and results in better combustion. This pump has been developed to provide the most appropriate amount of fuel injection and timing (angle, time) of injection to satisfy engine reliability, low smoke, low noise, high engine power and cleaner exhaust.īosch VP44 High Pressure Radial Distributor Pump is capable of producing 1000 bar pressures. Instead of old axial pumps, radial pump distributors use a camshaft to allow fuel injection at high pressures. Constant Pressure Valve (CPV) - permeable relief valve Constant Pressure Valve (CPV) Holder Housing Pressure Relief Valve HousingĨ. ECU pumps (PSG) - PSG = Pumpen Steuer Great (German)Ħ. Composition Bosch VP44 High Pressure Pumps:Ĥ.
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