Bosch Water Injection Development Reduces Fuel Consumption up to 13%

2010

Farmington Hills-based Bosch, a global supplier of technology and services, is releasing its water injection system called WaterBoost, which can be used to cool a vehicle’s engine. The process reduces fuel consumption up to 13 percent in highway conditions and 4 percent in normal driving.

The BMW M4 GTS is the first production vehicle to feature a water injection system. In the vehicle’s turbocharged six-cylinder engine, it offers improved performance and consumption even at full load. Bosch supplies water injection parts for the vehicle.

Before the fuel ignites, the WaterBoost system, which is installed in the vehicle, injects a mist of water into a vehicle’s intake duct. The water’s high heat of vaporization provides cooling for the engine.

“Water injection can deliver an extra kick in any turbocharged engine,” says Stefan Seiberth, president of the gasoline systems division at Bosch.

He says the system allows engineers to coax additional power out of the engine, even in powerful sports cars.

Water injection requires a small amount of water to be kept onboard. On average, it has to be refilled every 1,864 miles. The separate water tank has to be filled with distilled water.

Established in 1906 in North America, the Bosch Group employs about 31,000 associates in more than 100 locations, as of December 2015. In 2015, Bosch generated consolidated sales of $14 billion in the U.S., Canada, and Mexico.

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