TVS® V-Series Supercharger Development for Single and Compound Boosted Engines

Michael Froehlich; Nathan Stewart

doi:10.4271/2013-01-0919

In response to the continued industry trend towards downsized, downsped gasoline and diesel engines, Eaton has continued to create and optimize small displacement TVS® Superchargers for volumetric and isentropic efficiency at low speeds. Such efficiency improvements enable maximum engine torque at very low engine speeds in both transient and steady state conditions. Development of the V-Series has primarily focused on units in the 250 cc to 400 cc displacement range, with applications both as a single boost device, and as an element in a compound boost system. Key parameters such as rotor length, diameter and helix angle, as well as inlet and outlet port geometry have been optimized for performance and NVH characteristics.

This paper will summarize the performance, packaging, and NVH of V-Series TVS® superchargers compared to R-Series TVS® superchargers and outline the end benefits that this can provide to customers. V-Series has demonstrated a low speed volumetric efficiency improvement of up to 18%.

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TVS® V-Series Supercharger Development for Single and Compound Boosted Engines 2013-01-0919

SAE MOBILUS