chjdiesel
CHJ
A factory specialized in the production of diesel fuel injection pump.
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CHJ Fuel Pump
3973228
4921431
Cummins Engine
L8.9 G8.3 6C8.3 QSC8.3 CM554
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Hello everyone, we will appear at the Canton Fair in April
Visit our booth 11.3J04 at the 135th Canton Fair from April 15th to 19th.
You'll be impressed with quality CR injectors and accessories from a reliable Chinese manufacturer.
Welcome to consult us.
Josephine Liu（CHJ）
Whatsapp: +8615205986375
E-mail: [email protected]
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WHAT ARE DIESEL FUEL INJECTORS
WHAT ARE DIESEL FUEL INJECTORS
When you fill your car with fuel, it doesn’t go directly to the engine ready to start driving from A to B, in fact it has to get into the piston in the car engine. This delivery is the job of the fuel injector!
injectors
Although its a pretty simple mechanism, the injector is in fact one of the most complex parts of a car engine and is the product of a lot of experimentation over the…
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Denso-Common Rail System – High-pressure system
Denso-Common Rail System – High-pressure system
1 High pressure line2 Leak-off pipe3 Fuel injection line4 Fuel injector5 Pressure limiting valve6 Fuel rail7 Fuel metering valve8 Fuel pressure sensor9 Fuel temperature sensor10 High pressure pump11 Fuel return
High-pressure line and injector tubes
NOTE: The bending radii are exactly matched to the system and must not be changed.
NOTE: After disconnecting one or more high pressure fuel lines,…
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The diagram shows the high pressure pump in the 2.4L Duratorq-TDCi
The diagram shows the high pressure pump in the 2.4L Duratorq-TDCi
A High pressure fuel to fuel railB Fuel returnC Fuel feed1 High-pressure chamber outlet valve2 High-pressure chamber inlet valve3 Pump plunger4 Fuel metering valve return spring5 Fuel metering valve6 Pre-pressurize control valve (pump interior pressure)7 Transfer pump (rotor pump)8 Fuel inlet9 Fuel filter10 Eccentric cam ring11 Eccentric cam12 Drive shaft13 Fuel tank14 Overflow throttle…
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Denso-Common Rail System – Fuel injectors
Denso-Common Rail System – Fuel injectors
DENSO
A Fuel injector nozzleB Hydraulic servo systemC Solenoid valve1 Combustion chamber seal2 Electrical connection – solenoid valve3 High pressure fuel line connection
NOTE: The combustion chamber sealing rings must not be reused.
The exact procedure for the correct installation of the fuel injectors can be found in the current service literature.
Start of injection and injected fuel…
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Denso common rail system
Denso common rail system
Denso common rail system
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Delphi-Common Rail System – Identification number (fuel injector correction factor)
Delphi-Common Rail System – Identification number (fuel injector correction factor)
Example of an identification number on the fuel injector of the Ford Mondeo
Common Rail System
Inside the hydraulic servo system there are various restrictions with extremely small diameters which have specific manufacturing tolerances.
These manufacturing tolerances are given as part of an identification number which is located on the outside of the fuel injector.
To ensure optimum fuel…
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Bosch CRI 2.1 fine adjustments
Bosch CRI 2.1 fine adjustments
Even if injector repair and calibration was done by the book, in some cases some fine adjustments are necessary in order to obtain the perfect flow, especially if the injector needs to be re coded.All these fine adjustments are done from the shims that are inside of the injector.In the case of a Bosch CRI 2.1 injector, this is what every shim is responsible for
Bosch-CRI 2.1
1 – adjusts the…
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Delphi common rail system
Delphi common rail system
Delphi common rail system
A Two-module systemB Single-module system1 IDM (Injector Driver Module)2 EEC V-PCM (Powertrain Control Module)3 Delphi PCM
Josephine LiuChinahanji Power Co.,LtdWhatsapp: +8615205986375TEL: 0086-594-3603380E-mail: [email protected]
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Common Rail Injection System Pressure Control
Common Rail Injection System Pressure Control
IntroductionProduction common rail fuel systems are equipped with a closed-loop high pressure control-system that stabilizes the rail pressure within a relatively small margin to the nominal value specified by the electronic control unit for a given engine operating condition. The pump maintains the rail pressure by continuously delivering fuel to the common rail. This pressure is monitored by a…
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Bosch-Common Rail System – Fuel metering valve (CP1H)
Bosch-Common Rail System – Fuel metering valve (CP1H)
NOTE: When de-energized, the fuel metering valve is completely closed.
Additional functions as well as strategies are essentially the same as those of the fuel metering valve of CP3.2
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Bosch-Common Rail System – Operating principle of the fuel injectors
Bosch-Common Rail System – Operating principle of the fuel injectors
A Fuel injector closedB Fuel injector open1 Solenoid valve coil2 Feed channel3 Valve ball4 Feed restriction5 Feed channel to nozzle prechamber6 Injector needle7 Nozzle prechamber8 Injector needle control spring9 Valve control piston10 Valve control chamber11 Outlet restriction12 Fuel return13 Electrical connection – solenoid valve
The fuel is fed from the high-pressure connection via a feed…
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Bosch：Common Rail System – High pressure pump
Bosch：Common Rail System – High pressure pump
High pressure pump CP3.2
1 Transfer pump2 Fuel metering valve3 Pump plunger4 Eccentric5 Drive shaft6 Pump housing
High pressure pump CP1H
High pressure pump CP1H
1 Fuel metering valve2 Fuel return port3 Fuel supply port4 Transfer pump5 High pressure port (to fuel rail)
Two different types of high pressure pumps are used in the Delphi common rail system:? High pressure pump CP3.2 and? High…
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Bosch Common Rail System Fuel injectors
Bosch Common Rail System Fuel injectors
Common Rail System
1 Connection, leak-off pipe2 Retainer3 Plastic ring4 Seal ring5 Combustion chamber seal6 High pressure fuel line connection7 Electrical connection – solenoid valve
NOTE: The combustion chamber sealing rings must not be reused.
The exact procedure for the correct installation of the sealing rings and the plastic
rings can be found in the current Service Literature.
Start of…
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It's Christmas.CHINAHANJI POWER CO.,LTD hopes everyone is safe and happy.
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