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The Woodward 8404-2064 is a specific part number within the L-Series of integrated engine control systems. This particular unit is a compact and specialized solution, featuring a larger Integrated Throttle Body (ITB) and designed for process control applications.
WOODWARD 8404-2064: L-Series Integrated Throttle Body (ITB) (50mm, Sealed)
The Woodward 8404-2064 represents a configuration within Woodward’s L-Series that combines an electric actuator, an embedded controller, and an Integrated Throttle Body (ITB) into a single, compact package. It’s specifically tailored for process control applications, offering precise management of air flow, particularly for engines with higher airflow demands.
Product Overview
- Product Type: Integrated Electric Actuator, Process Controller, and Throttle Body (ITB)
- Manufacturer: Woodward
- Series: L-Series
- Function: Primarily designed for process control, such as precise air/fuel ratio (AFR) management, by regulating air flow via the integrated throttle body.
- Throttle Body Size: Features a 50 mm diameter throttle body, indicating it’s suitable for engines with higher airflow requirements compared to smaller ITB units.
- Design: Microprocessor-based control integrated directly into the electric actuator and throttle body assembly.
- Key Features: Sealed design, default parameters, and often includes firmware (e.g., “2834 FRMWR” as seen in some listings).
Detailed Description
The Woodward L-Series is renowned for its advanced and integrated engine control solutions. The 8404-2064 is a prime example, streamlining engine management by combining multiple critical functions into one durable unit:
- All-in-One Integration: This unit combines the electric actuator (the mechanical part that moves the throttle plate), the electronic controller (the “brain” that processes commands), and the throttle body (the mechanism that regulates air intake) into a single, compact assembly. This drastically simplifies installation, reduces wiring complexity, minimizes potential points of failure, and saves valuable space on the engine.
- Dedicated Process Control: This model is specifically designed for sophisticated process control, which commonly involves precise air/fuel ratio (AFR) control. This is crucial for optimizing combustion efficiency, reducing emissions, and adapting to varying fuel qualities or engine loads, especially in modern gaseous-fueled engines.
- 50 mm Throttle Body: The larger 50 mm diameter throttle body indicates it’s built for engines requiring greater airflow capacity, making it suitable for larger or more powerful applications than those using smaller ITB variants.
- Sealed Design: The “Sealed” characteristic means it’s built to withstand harsh engine environments, providing enhanced protection against moisture, dust, and vibration, which contributes to its long-term reliability.
- Microprocessor-Based Control: The embedded controller utilizes sophisticated algorithms to precisely manage the throttle plate’s position based on incoming command signals, ensuring accurate and responsive control.
- Default Parameters & Firmware: It often comes with “Default Parameters” pre-loaded, simplifying initial setup. The mention of specific firmware versions (like “2834 FRMWR”) indicates that software updates or specific operational characteristics may be tied to different firmware versions.
Applications
The Woodward 8404-2064 is typically used in:
- Gaseous Engine Air/Fuel Ratio Control: Providing precise air/fuel mixture management for engines running on natural gas, LPG, biogas, or other gaseous fuels, optimizing combustion efficiency and meeting emission standards.
- Industrial Power Generation: Employed in engine-generator sets where efficient and clean operation of gaseous-fueled engines is critical, especially in distributed generation or cogeneration.
- Engine Test Benches: For applications requiring precise and repeatable control of airflow for engine development, research, or quality assurance.
- Specialized Industrial Processes: Where engines drive equipment that requires very fine control over combustion parameters or air intake.
Related Products/Series
The Woodward 8404-series encompasses a wide range of L-Series components for engine management. Other related part numbers in this series include:
- 8404-2033: Another L-Series ITB with a 50 mm throttle body for process control and sealed, very likely a similar or identical model to 8404-2064, potentially a revision or specific regional variant.
- 8404-2061: An L-Series ITB with a 25 mm throttle body, sealed, for process/position control.
- 8404-2062: An L-Series ITB with a 30 mm throttle body, sealed, for process/position control.
- 8404-2063: An L-Series ITB with a 36 mm throttle body, sealed, for process/position control.
- 8404-7207 / 8404-7208: These are L-Series ITB units (often 43mm) specifically for speed control, whereas the 8404-2064 is for process control.
