National Technical Reports Library

The National Technical Information Service acquires, indexes, abstracts, and archives the largest collection of U.S. government-sponsored technical reports in existence. The NTRL offers online, free and open access to these authenticated government technical reports. Technical reports and documents in its repository may be available online for free either from the issuing federal agency, the U.S. Government Publishing Office’s Federal Digital System website, or through search engines.

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DE2008921782

Publication Date	2007
Personal Author	Hsu, J. S.; Ayers, C. W.; Coomer, C. L.; Wiles, R. H.; Burress, T. A.
Page Count	24
Abstract	In today's hybrid vehicle market, the Toyota/Prius drive system is currently considered the leader in electrical, mechanical, and manufacturing innovations. It is significant that in today's marketplace, Toyota is able to manufacture and sell the vehicle for a profit. This project's objective is to test the torque capability of the 2004 Prius motor and to analyze the torque properties relating to the rotor structure. The tested values of no-load back electromotive force (emf) and mechanical losses are also presented.
Keywords	Electromotive force Electric drive technologies Electric motors Automobiles Manufacturing Market Motors Rotors Torque Electric batteries Energy consumption Internal combustion engines Technology innovation
Source Agency	Technical Information Center Oak Ridge Tennessee
Corporate Authors	Oak Ridge National Lab., TN.; Oak Ridge Inst. for Science and Education, TN.; Department of Energy, Washington, DC. Office of Energy Efficiency and
Supplemental Notes	Prepared in cooperation with Oak Ridge Inst. for Science and Education, TN. Sponsored by Department of Energy, Washington, DC. Office of Energy Efficiency and Renewable Energy.
Document Type	Technical Report
NTIS Issue Number	200817

Report on Toyota/Prius Motor Torque Capability, Torque Property, No-Load Back EMF, and Mechanical Losses. Revised May 2007.

Report on Toyota/Prius Motor Torque Capability, Torque Property, No-Load Back EMF, and Mechanical Losses. Revised May 2007.
DE2008921782

Publication Date	2007
Personal Author	Hsu, J. S.; Ayers, C. W.; Coomer, C. L.; Wiles, R. H.; Burress, T. A.
Page Count	24
Abstract	In today's hybrid vehicle market, the Toyota/Prius drive system is currently considered the leader in electrical, mechanical, and manufacturing innovations. It is significant that in today's marketplace, Toyota is able to manufacture and sell the vehicle for a profit. This project's objective is to test the torque capability of the 2004 Prius motor and to analyze the torque properties relating to the rotor structure. The tested values of no-load back electromotive force (emf) and mechanical losses are also presented.
Keywords	Electromotive force Electric drive technologies Electric motors Automobiles Manufacturing Market Motors Rotors Torque Electric batteries Energy consumption Internal combustion engines Technology innovation
Source Agency	Technical Information Center Oak Ridge Tennessee
Corporate Authors	Oak Ridge National Lab., TN.; Oak Ridge Inst. for Science and Education, TN.; Department of Energy, Washington, DC. Office of Energy Efficiency and
Supplemental Notes	Prepared in cooperation with Oak Ridge Inst. for Science and Education, TN. Sponsored by Department of Energy, Washington, DC. Office of Energy Efficiency and Renewable Energy.
Document Type	Technical Report
NTIS Issue Number	200817