Vacuum cleaner, especially floor vacuum cleaner
First Claim
Patent Images
1. A vacuum cleaner comprising:
- a housing;
a motor-driven suction fan disposed in the housing;
a fan motor configured to operate at a rated voltage in a range of 80 and 120 volts during a maximum operation;
a power supply device configured to provide power supply to the fan motor;
a rechargeable battery permanently integrated in the housing, the rechargeable battery having a voltage rating between 50 volts and 80 volts; and
a cord reel permanently integrated in the housing,wherein the vacuum cleaner is configured to be alternately operable in a battery mode and a mains mode.
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Abstract
A vacuum cleaner includes a housing, a motor-driven suction fan disposed in the housing, a fan motor and a power supply device configured to provide power supply to the fan motor. The vacuum cleaner also includes both a rechargeable battery and cord reel permanently integrated in the housing such that the vacuum cleaner is configured to be alternately operable in a battery mode and a mains mode.
37 Citations
18 Claims
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1. A vacuum cleaner comprising:
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a housing; a motor-driven suction fan disposed in the housing; a fan motor configured to operate at a rated voltage in a range of 80 and 120 volts during a maximum operation; a power supply device configured to provide power supply to the fan motor; a rechargeable battery permanently integrated in the housing, the rechargeable battery having a voltage rating between 50 volts and 80 volts; and a cord reel permanently integrated in the housing, wherein the vacuum cleaner is configured to be alternately operable in a battery mode and a mains mode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of operating a vacuum cleaner comprising:
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providing a vacuum cleaner including; a housing; a motor-driven suction fan disposed in the housing; a fan motor configured to operate at a rated voltage in a range of 80 and 120 volts during a maximum operation; a power supply device configured to provide power supply to the fan motor; and a rechargeable battery having a voltage rating between 50 volts and 80 volts; and a cord reel permanently integrated in the housing; operating the vacuum cleaner in a battery mode at a voltage in a range from 50 volts to 80 volts; operating the vacuum cleaner in a mains mode; and charging the rechargeable battery during operation in the mains mode. - View Dependent Claims (15, 16, 17, 18)
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Specification