Behr Hella Service
Engine Cooling and Air Conditioning for Passenger Cars and Heavy Duty Trucks
With more than 1000 quality parts, Behr Hella Service offers a wide range for European cars and Heavy Duty Trucks.
Our customers benefit from the combined expertise of BEHR and HELLA. Over 100 years of technical knowledge, quality focus and unparalleled service.
This means, an ideal combination of products and service for your business. HELLA’s Sales organization plus BEHR’s extensive OE product knowledge form Behr Hella Service.
- Quality since 1905
- Renowned expertise as an original equipment manufacturer
- OE competence with wide vehicle coverage
- Durability designed with the overall vehicle life cycle in mind
The most important component of a coolant module is the coolant radiator. It consists of a radiator core and water tank with all the necessary connections and attachment elements. The heat generated by the engine combustion is absorbed by the coolant and discharged into the external air via the radiator. Coolant radiators are installed in the air flow of the vehicle front.
The expansion tank is used to collect the expanding coolant from the coolant circuit.
The Visco clutch is tasked with making the frictional connection to the fan wheel and it influences the speed of the wheel depending on the temperature. There, a wear-free fluid friction is used to transfer the drive torque to the fan wheel. The electrically driven Visco clutch is controlled directly by sensors. Cooling to match requirements improves the level of coolant temperature, engine noise and also fuel consumption.
Engine oil coolers/transmission oil coolers ensure a nearly constant temperature spectrum. The intervals between oil changes can be extended and the service life of the engine increases. Behr’s latest model is a compact and powerful stacked plate oil cooler. Since it does not need a coolant housing and is made completely of aluminum, it is lightweight and has low design space requirements.
The condenser is needed for cooling down the refrigerant that has become heated during compression in the compressor. The hot refrigerant gas flows into the condenser, discharging heat to the surroundings. The refrigerant becomes fluid again as a result of cooling: the hot gas flows at the top into the condenser and transfers heat to the surroundings via the pipe and fins. As a result of cooling down, the refrigerant exits the condenser at the lower connection in liquid state.
The compressor is usually driven by the engine via a wedge belt or a ribbed V-belt. It compresses and transports the refrigerant in the system. There are different designs available. The refrigerant is sucked in as a gas at low temperature from the evaporator; it is then compressed. Subsequently it is forwarded in a gaseous state at high temperature and under high pressure to the condenser.
The blower fan is used to ventilate the inside of the car. It guarantees visibility and a pleasant interior climate. This is a must in terms of safety and driving comfort. Failure of the fan results in an uncomfortable interior climate, which has a negative impact on the driver's concentration. This represents a significant reduction in safety. Lack of ventilation can also cause the windscreen to fog up. Visibility limited by fogged up windows is a major safety risk.
The filter elements of the air-conditioning system are either referred to as filter dryers or accumulators, depending on the type of system. The task of the filter-dryer is to remove impurities from the refrigerant and also to dehumidify it.
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