Hybrid electric lawnmower
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United States of America Patent
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Issued Date -
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app pub date -
Sep 5, 2007
filing date -
Oct 17, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A hybrid electric lawnmower is described which includes a hybrid mower able to operate on two differing DC voltages. The mower presently described includes a hybrid controller operable to drive a permanent magnet electric motor on a high voltage and a low voltage wherein the operating may select either DC or AC operation representing the low voltage or high voltage. The dual voltage motor has separate windings on the rotor, both of the windings operable to drive the motor whether selected to operate on DC or on AC. The user operable selection of AC or DC reconfigures the dual windings on the rotor in either series or parallel configuration wherein low voltage operation places the windings in parallel relationship and high voltage operation places the windings in series relationship.
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Cited Art Landscape
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