Dual-E-Transmission for the hybrid powertrain of the COMET-project
Customer: Bosch
Scope of services of RLE:
- Project responsibility for mechanical transmission
- Feasibility analysis, generation of specification
- Generation of a concept / Parts-Sourcing
- Patent research / apply for a patent
- Complete construction (CAD), Calculation, FEA
- Delivery of 6 functional prototype transmission
- Design of a stand for demonstration as well as software presentation
Special project features:
- Responsibility for the complete mechanical design up to providing prototype transmissions
- The specification exceeded parameters of existing transmissions on the market at that time
- Design of 3 concepts, optimization, installation investigations, benchmark analysis, choice of the best solution
- Construction of components/ -groups
- Simulation, calculation and preparation of technical documentation
- Testing at partner FKA, installation of 2 test cars, successfultest runs
- Publication at VDI-Congress 2004 through BOSCH
Technical highlights:
- Shifting without traction interruption, driving comfort as per infinitely variable transmission, because of electro mechanic power split
- Hybrid transmission: Replacement of clutch, starter and generator. Reduces fuel consumption, increased acceleration
- Follow-up projects: Concept design for front-cross assembly, development of an active synchronisation
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