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FuelGuard™ and other Electronic Air Processing Units

The WABCO family of Air Processing Units engineered for optimized performance with less energy consumption

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What does WABCO's Electronic Air Processors do?

Air processing solutions which dry, clean, store and distribute the compressed air to enable proper system operation under all conditions. Electronic Air Processing Units (E-APUs) deliver extra fuel savings thanks to intelligent air compressor control.

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FuelGuard™

Electronic Air Processing Unit (APU)

WABCO's new generation of electronic APU connected to the vehicle’s electronic architecture 

Features & Capabilities

Improved electronic APU incorporating air dryer, multi-circuit protection valve, pressure sensors and control functions for power reduction, clutch and electrically driven compressors

Connected via CAN-bus to the vehicle's electronic architecture to enable on-demand and optimised compressor control adapted to driving situations

Supports a wide range of vehicle types and applications thanks to its modular design, small size, low weight and rich set of options 

Supports optional features such as air leakage detection and cartridge service interval indication

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FuelGuard™

Electronic Air Processing Unit (APU)

Customer Benefits:

Enables optimized usage of available kinetic energy during engine “overrun” phase to fill up air reservoirs

Enables significant fuel savings when used in combination with WABCO's c-comp™ compressor technology or compressors equipped with an OPR system (Optimized Power Reduction)

Cost efficient design automatically adapting to a variety of compressor and air reservoir sizes

Enables reduced noise and enhanced driver comfort

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FuelGuard™ Lean

Electronic Air Processing Unit

FuelGuard™ E-APU version integrating WABCO's fuel-saving software in an external ECU

Air dryer equipped with two solenoids and combined with multiple circuit protection valve

Smart and cost-efficient integration of WABCO fuel saving software in external available ECU

Provides solenoids to activate air regeneration and compressor on-load or off-load

Enables significant fuel savings when used in combination with WABCO's c-comp™ compressor technology or compressors equipped with an OPR system (Optimized Power Reduction)

Most efficient use of engine-free energy or "overrun" phases

Designed for easy installation and maintenance

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ECAD

Electronically Controlled Air Dryer

Air Dryer equipped with two solenoids to activate air regeneration and compressor on/off-load

Provides fuel savings potential thanks to intelligent compressor control

Efficient design delivering weight and space savings

Monitors the cartridge life to reduce risk for the air system

Single model supporting complete vehicle ranges (low and high-pressure variants)

Supports smart integration of WABCO's fuel-saving software in existing available Electronically Control Unit

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