Drive apparatus and transporter
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United States of America Patent
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Apr 3, 2018
Issued Date -
N/A
app pub date -
Aug 18, 2016
filing date -
Aug 19, 2015
priority date (Note) -
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Abstract
A drive apparatus includes a first power storage, a second power storage, an electric motor, a voltage booster, an electric device. The second power storage is superior to the first power storage in energy to weight density and is inferior to the first power storage in output to weight density. The electric motor is to be driven with power supplied from at least one of the first power storage and the second power storage. The voltage booster is to boost a voltage output from the first power storage. The voltage booster includes a switch to electrically connect or disconnect the first power storage to at least one of the electric motor and the second power storage. The electric device is provided between the first power storage and the voltage booster. The voltage output from the second power storage is higher than a guaranteed operating voltage of the electric device.
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