Hybrid lawn mower drive system
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United States of America Patent
Stats
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Oct 21, 2014
Grant Date -
Jan 16, 2014
app pub date -
Jan 4, 2013
filing date -
Jan 5, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A lawn mower includes an engine, an energy storage device, a motor/generator including an output shaft, an engine coupling, wherein, with the engine coupling disengaged, the motor/generator drives the output shaft, and with the engine coupling engaged, the engine or both the motor/generator and the engine drive the output shaft, a mower blade, a power take-off clutch, and a control unit configured to implement a first operating condition in which the engine coupling is disengaged, the engine is off, and the output shaft is driven by the motor/generator, and configured to implement a second operating condition in which the engine coupling is engaged, the engine is on, the output shaft is driven by the engine or both the motor/generator and the engine.
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Family
International Classification(s)
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- [Patents Count]
Cited Art Landscape
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