Portable Household Appliance
First Claim
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1. ) A portable household appliance comprising:
- a motor unit arranged to operate at least at lower operating speeds or at higher speeds and vice versa;
a first power supply designed to constantly supply said motor unit;
a controller configured to increase said lower speeds in a first time interval up to said higher speeds or to reduce said higher speeds in a second time interval up to said lower speeds;
an auxiliary power supply of said motor unit configured to be actuated during said first time interval;
wherein said motor unit is arranged to recharge at least said auxiliary power supply in said second time interval;
wherein said controller is also arranged to switch said motor unit to a recharge generator unit so to recharge said auxiliary power supply means in said second time interval.
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Abstract
The portable household appliance comprises: a motor unit (3) arranged to operate at least at lower operating speeds (M) or at higher speeds (MD, MX) and vice versa; first power supply means (9) arranged to constantly supply said motor unit (3); control means for increasing said lower speeds (M) in a first time interval (T1) up to said higher speeds (MD, MX) or to reduce said higher speeds (MD, MX) in a second time interval (T2) up to said lower speeds (M); auxiliary means (10) for the temporary power supply of said motor unit (3) which can be actuated during said first time interval (T1).
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Citations
13 Claims
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1. ) A portable household appliance comprising:
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a motor unit arranged to operate at least at lower operating speeds or at higher speeds and vice versa; a first power supply designed to constantly supply said motor unit; a controller configured to increase said lower speeds in a first time interval up to said higher speeds or to reduce said higher speeds in a second time interval up to said lower speeds; an auxiliary power supply of said motor unit configured to be actuated during said first time interval; wherein said motor unit is arranged to recharge at least said auxiliary power supply in said second time interval; wherein said controller is also arranged to switch said motor unit to a recharge generator unit so to recharge said auxiliary power supply means in said second time interval. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 11, 12, 13)
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2. ) (canceled)
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10. ) (canceled)
Specification