Cranktrain Design for Ford's HEV DI Diesel Engine

Paper #:
  • 981915

Published:
  • 1998-08-11
Citation:
Chottiner, J., "Cranktrain Design for Ford's HEV DI Diesel Engine," SAE Technical Paper 981915, 1998, https://doi.org/10.4271/981915.
Affiliated:
Pages:
14
Abstract:
This paper focuses on the cranktrain design for Ford's HEV DI Diesel Engine called the DIATA. The design started with the piston pin. The minimum piston pin diameter for the lowest reciprocation weight was achieved by tapering the small end of the connecting rod. Geometry constraints sized the connecting rod's big end diameter, oil film analyses determined the width, and an FEA verified the design. Next, the crankshaft mains were sized to reach an acceptable factor of safety, bending and torsional stiffness, and oil films. Finally, the flywheel was sized to be the minimum weight to reduce transmission gear rattle to an acceptable level.
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