With advanced manufacturing technology, strict quality control system and rich industry experience, Qingdao Hanlinrui Machinery Co., Ltd continuously innovates fuel injector nozzles to meet customers' stringent requirements for fuel efficiency, emission standards and power performance, contributing to the clean and efficient operation of global power systems.
Fuel injector nozzles are critical components in internal combustion engines, responsible for atomizing and injecting fuel into the combustion chamber. They precisely control the amount, timing, and spray pattern of the fuel, ensuring efficient combustion, improved engine performance, and reduced emissions. Fuel injectors come in various designs, including single-hole, multi-hole, and air-assisted types, each optimized for different engine types and fuel delivery systems.
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Specification |
Details |
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Injector Type |
Single-Hole, Multi-Hole, Air-Assisted, Port, Dual-Stage |
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Material |
Stainless Steel, Hardened Steel, Ceramic, Tungsten Carbide |
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Flow Rate |
100–1500 cc/min (varies by engine size and fuel type) |
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Spray Pattern |
Cone, Fan, or Split Cone (depends on engine design and application) |
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Operating Pressure |
3–6 bar (standard), up to 10 bar (performance applications) |
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Nozzle Size |
0.1–1.5 mm (varies by design and engine requirements) |
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Resistance |
12 ohms (for standard injectors), varies for different designs |
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Fuel Compatibility |
Gasoline, Diesel, E85, Methanol, LPG (depending on nozzle material) |
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Flow Control |
Electronic, Mechanical, or Variable Rate |
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Injection Timing |
Direct Injection, Port Injection (for gasoline and diesel engines) |
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Temperature Range |
-40°C to 150°C (standard), up to 200°C for high-performance models |
● High-precision injection: The fuel injection nozzle adopts precise processing technology and materials to ensure that the fuel can be sprayed into the engine cylinder in the form of high pressure, high speed and high atomization.
● Multi-nozzle design: Some advanced fuel injection nozzles adopt multi-nozzle design, which can spray multiple fuel beams into the cylinder at the same time or at different times.
● Durability: The material and structural design of the fuel injection nozzle focus on durability and can withstand high temperature, high pressure and corrosive substances in the fuel.
● Precise flow control: The fuel injection nozzle ensures that the amount of fuel injected each time is accurate through a precise flow control mechanism.
● Advanced manufacturing process: Advanced processes and technologies such as laser drilling, precision machining and surface treatment are used in the manufacturing process of fuel injection nozzles.
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Improve fuel efficiency |
Precisely control the fuel injection amount and spray pattern to ensure complete combustion of the fuel, thereby improving fuel economy and reducing fuel consumption. |
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Optimize engine performance |
Accurate fuel injection can provide uniform combustion, increase engine power output and response speed, and improve acceleration performance. |
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Reduce emissions |
Through a more efficient combustion process, reduce the emission of unburned fuel, thereby reducing the emission of harmful gases. |
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Enhance engine stability |
Make the engine run more smoothly, reduce jitter and noise, and improve driving experience and comfort. |
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Extend engine life |
Due to the full combustion of fuel, the formation of carbon deposits and pollutants is reduced, and the internal wear of the engine is reduced. |
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Adapt to multiple fuels |
Modern fuel injection nozzles can adapt to multiple types of fuels, increasing the flexibility of the system. |
● Spray pattern customization: Provide different spray patterns such as cone, fan, split cone, etc. according to engine type and requirements to optimize fuel atomization effect and combustion efficiency.
● Flow and size customization: Provide different flow and nozzle size options according to customer's engine requirements to ensure optimal fuel supply and performance.
● Material customization: Provide different material options such as stainless steel, hardened steel, ceramic or tungsten carbide to meet the requirements of high temperature resistance, corrosion resistance or wear resistance under different working conditions.
● Fuel compatibility customization: According to the type of fuel used, select suitable nozzle materials and designs to ensure the best performance and durability of the nozzle under specific fuel.
● Working pressure and temperature customization: Provide fuel injectors that adapt to high pressure and high temperature environments to meet the pressure and temperature requirements of high-performance engines or specific applications.
Q1: What factors should I consider when choosing fuel injector nozzles?
A1: The main considerations are the flow rate, spray pattern, material and compatibility of the fuel injector nozzles with your engine and fuel type.
Q2: What types of fuel injector nozzles can be used for my car?
A2: You need to choose the appropriate fuel injector nozzles based on your engine type and the required flow rate and spray pattern.
Q3: What materials are available for fuel injector nozzles?
A3: Choosing the right material depends on the requirements for high temperature resistance, corrosion resistance and wear resistance.
Q4: Do I need to replace fuel injector nozzles regularly?
A4: Yes, it is recommended to check regularly and replace as needed.
Q5: How do I know if my fuel injector nozzles need to be replaced?
A5: If the engine runs unevenly, fuel consumption increases or emissions exceed the standard, it is recommended to check the working condition of the fuel injector nozzles.
Q6: Are high-flow fuel injector nozzles suitable for my car?
A6: High-flow fuel injector nozzles are suitable for high-power, high-performance engines.
