Besides Bmw, Mini and Kia, Fiat now includes Bosch start/stop technology which provides up to five percent cut in fuel utilization in the New European Driving Cycle (NEDC). Bosch expects fifty percent of all new conveyances in Europe will have start/stop system by the year 2012. The start/stop technology of Bosch is being installed on more and more passenger vehicles.
Early in 2009, Fiat will install its first version to highlight a start/stop system, the Fiat 500. Bosch provides the uniquely adaptive starter, the engine management system, and also the battery sensor. The firm has been producing this start/stop technology back in 2007, and has at this time already delivered more than half a million starters to Bmw and Mini.
The president of the Bosch Starter Motors and Generators division, Stefan Asenkerschbaumer, thinks this market will grow quickly in the few succeeding years: "In 2008, roughly five percent of all new vehicles in Europe are equipped with a start/stop system. By 2012, we estimate this will be every second newly registered vehicle most of them with Bosch technology."
In the following months, range production of other vehicles coming with this Bosch technology will commence, counting the Kia cee'd, for instance.
Test drives by Bosch technicians show that start/stop systems lower fuel usage, and therefore also CO2 discharges, in the NEDC by up to 5%. In the urban division of the NEDC, the cut can be as high as 8%. Start/stop systems automatically stop the motor when the car is not moving, at traffic lights for instance.
The motor is restarted as soon as the driver puts down the clutch pedal to choose a gear. As starter-based systems are mainly based on existing parts, their cost-to-advantage proportion is outstanding. And in contrast with other technologies, this method is also appropriate for cold starts in diesel units. In the Fiat 500, the system will at first be available in conjunction with the Dualogic automated manual transmission and a 1.2-liter powertrain.
Fiat intends to fit the system in other versions next year. Bosch has improved the service life of the starter to deal with the exceeding number of starts. Its potent electric starter motor as well as quiet, improved meshing mechanics ensure safe, quick, and silent engine starts in all environments. Bosch likewise provides the engine control unit for the Fiat 500, plus the software employed to study all the appropriate sensor data and to stop and start the unit.
Additionally, the battery monitor is also offered by Bosch. It measures the present condition of battery charge and conveys this data to the energy management system. Bosch start/stop systems can gain benefit from the expertise of the company's starter technology, drivetrain, and areas of energy management.
After the starter, the control software, and a battery sensor, the system in its entirety includes a crankshaft sensor and the respective sensors at the pedals. A high efficiency alternator in conjunction with a deep-cycle resistant battery means that the quantity of time the vehicle can stay at a standstill with the engine switched off is boosted.