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New Manufacturing Process for Wankel Rotary Engine Base Components

  • : Blaha, J1
  • : 1AVL List GmbH
  • : PDF Download
  • : 2012

Abstract

To meet the demanding goals for fuel consumption of vehicles various concepts are investigated throughout the automotive industry. Many of them are towards electric vehicles with integrated Range Extender (RE), i.e. a downsized combustion engine. AVL developed, besides others, a prototype concept with a Wankel rotary engine. This internal combustion engine is characterised by its extremely compact packaging and excellent NVH (Noise-Vibration-Harshness) behaviour. As nowadays most internal combustion engines are reciprocating piston engines, the whole supply chain is optimised for this technology. Based on engine base components an alternative production route was investigated for the rotary engine concept. Main goal was to increase the energy efficiency during the production and use of Wankel engines in hybrid RE applications by energy efficient production methods (extrusion) as well as by innovations of powder metallurgically (P/M) produced Aluminium alloys which allow for mass reduction of static and rotating parts.
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