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Pumps and pump drives:equally compact and high-performance.The most cost-effective way to move fluids.Potential savings exist in many areas of automotive technology –including pumps. GreenTech EC technology provides savings whereverit is used: for example as drive in an oil or urea pump. Comparedto conventional pump drives, brushless GreenTech EC motors needapprox. 15% less energy at the same pump output. The compactnessand high running smoothness are also features that speak clearlyfor our highly efficient EC motors.16
Exemplary:a drive for the DNOX system.The Euro 6 standard will take effect soon, drastically limiting thepermitted level of harmful emissions from diesel engines – includingboth carbon particles and nitrogen oxides (NOX). These stringent limitscannot be met just by improving combustion in the engine. Therefore,many manufacturers of commercial vehicles and passenger carsuse what is known as Selective Catalytic Reduction (SCR). In this formof exhaust gas treatment, nitrogen oxide emissions are reduced byadding an ultrapure urea solution. For this purpose, Bosch has developeda pump that injects a precisely metered amount of the ureaadditive. The high-performance and reliable pump drive comes from<strong>ebm</strong>-<strong>papst</strong>.Real GreenTech.The development of what is called the DNOX system is a prime exampleof innovative automotive engineering. For the Bosch engineers, itwas important to have a partner that combines motor and electronicsexpertise. The task is a demanding one: The quantity of additive thatthe pump injects directly into the exhaust gas system must be adaptedexactly to the amount of nitrogen oxide in the exhaust gas. In addition,the pump must work reliably over a wide airflow range and for theentire service life of the vehicle. These requirements resulted in amodular drive concept with a GreenTech EC motor. Modular means thatthe pump, hydraulic and electronic components can each be replacedseparately. This way, the exhaust gas treatment system can alwaysbe adapted to the current state of legal requirements. The heart of thepump is our electronically commutated external rotor motors. Theyare renowned for their outstanding synchronous running and hightorque, even at start-up, and have been further optimised for mobileuse and designed for a long service life in the required temperaturerange. Moreover, the fully automated manufacturing with 100-percentquality control guarantees that the stringent requirements of the automotiveindustry for supplier component are fulfilled ideally.17
Page 1 and 2: Automotive.Innovative ventilation a
Page 3 and 4: Contents.Expertise 4 | 5Technology
Page 5 and 6: Comfort, safety, efficiency:Our inn
Page 7 and 8: For example: How GreenTech EC techn
Page 10 and 11: Electronics cooling: equally quiet
Page 12 and 13: 12Climate control components: the g
Page 14 and 15: Custom applications: equally reliab
Page 18 and 19: GreenTech EC technology for commerc
Page 20: www.ebmpapst.com37656-7-8811 · 201

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