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501.015.02 Bico injetor 7281046 PALIO / SIENA 1.5 ALCOOL IWP066

IWP066 fuel injector
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Supplier - Jinjiang Junri Machinery Co., Ltd.   

China (Mainland)China (Mainland)

Address:Anping Industrial Comprehensive Development Area

Contact:Jianyang Xu





Bico injetor PALIO / SIENA 1.5 ALCOOL 97

IWP 066



[Item  NO ]:  IWP066

Marelli fuel inejctor 501.015.02    7281046

[Application] : Fiat Palio 1.5 MPI ALC 99

                           Fiat Palio Siena 1.5 MPI ALC 99

                           Fiat Palio Weekend 1.5 MPI ALC 99

                           Fiat  Palio  Strada 1.5 MPI ALC 00

                           Fiat Fiorino 1.5 MPI ALC 97


[Structure of fuel injector] :





[Orifice] :1




An injector, ejector, steam ejector, steam injector, eductor-jet pump or thermocompressor is a type of pump that uses the Venturi effect of a converging-diverging nozzle to convert the pressure energy of a motive fluid to velocity energy which creates a low pressure zone that draws in and entrains a suction fluid. After passing through the throat of the injector, the mixed fluid expands and the velocity is reduced which results in recompressing the mixed fluids by converting velocity energy back into pressure energy. The motive fluid may be a liquid, steam or any other gas. The entrained suction fluid may be a gas, a liquid, a slurry, or a dust-laden gas stream.[1][2]


The adjacent diagram depicts a typical modern ejector. It consists of a motive fluid inlet nozzle and a converging-diverging outlet nozzle. Water, air, steam, or any other fluid at high pressure provides the motive force at the inlet.


The Venturi effect, a particular case of Bernoulli's principle, applies to the operation of this device. Fluid under high pressure is converted into a high-velocity jet at the throat of the convergent-divergent nozzle which creates a low pressure at that point. The low pressure draws the suction fluid into the convergent-divergent nozzle where it mixes with the motive fluid.


In essence, the pressure energy of the inlet motive fluid is converted to kinetic energy in the form of velocity head at the throat of the convergent-divergent nozzle. As the mixed fluid then expands in the divergent diffuser, the kinetic energy is converted back to pressure energy at the diffuser outlet in accordance with Bernoulli's principle. There are very few steam locomotives still in operation today other than as tourist attractions. However, when steam locomotives were in use many years ago, injectors were used to pump water into the locomotive's steam-producing boiler and some of the steam was used as the injector's motive fluid. Such "steam injectors" took advantage of the latent heat released by the resulting condensation of the motive steam.


Depending on the specific application, an injector takes the form of an eductor-jet pump, a water eductor, a vacuum ejector, a steam-jet ejector, or an aspirator.


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