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SAE International

Zeroshift. A Seamless Automated Manual Transmission (AMT) with no Torque Interrupt

Document Number: 2007-01-1307

Date Published: April 2007

Author(s):
Ray Heath - Zeroshift
Tony Child - Zeroshift

Abstract:
Zeroshift technology allows a manual transmission to change gear in zero time. The Zeroshift automated manual transmission (AMT) is easy to manufacture and allows a cost effective alternative to the traditional torque converter based automatic transmission. Zeroshift offers potential fuel economy improvements from driveline efficiency and the best possible vehicle acceleration. Compared to an existing AMT, Zeroshift offers an uninterrupted torque path from the engine to vehicle which allows for a seamless gearshift. This paper provides an introduction to the technology together with test data from a demonstrator vehicle.

File Size: 1013K
Product Status: In Stock

Included in: SP-2134

See other papers presented at SAE World Congress & Exhibition, April 2007, Detroit, MI, USA, Session: Transmission and Drivelines (Part 6 of 8) Controls

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