APPARATUS FOR REDUCING CURRENT DRAIN AND CURRENT SPIKE IMPACT ON BATTERY-POWERED ELECTRONIC DISPENSERS
First Claim
1. Apparatus for reducing current drain and current spike impact on paper towel dispensers or other dispensers including an electric motor powered by at least one battery, said apparatus including a power supply circuit in operative association with said at least one battery and having a power input for receiving electrical power from said at least one battery, a power outlet in operative association with said electric motor, and at least one supercapacitor prechargeable by said at least one battery or an alternative electrical power source and said at least one supercapacitor during initial energization of said electric motor by said power supply circuit providing at least a portion of the energy requirement of said electric motor.
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Accused Products
Abstract
Apparatus and method for reducing current drain and current spike impact on a dispenser electric motor by employing a series of supercapacitors in a power supply current to provide at least a portion of the energy requirement of the dispenser electric motor upon initial energization.
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Citations
16 Claims
- 1. Apparatus for reducing current drain and current spike impact on paper towel dispensers or other dispensers including an electric motor powered by at least one battery, said apparatus including a power supply circuit in operative association with said at least one battery and having a power input for receiving electrical power from said at least one battery, a power outlet in operative association with said electric motor, and at least one supercapacitor prechargeable by said at least one battery or an alternative electrical power source and said at least one supercapacitor during initial energization of said electric motor by said power supply circuit providing at least a portion of the energy requirement of said electric motor.
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4. The apparatus according to Claim I wherein said power supply circuit is in operative association with a plurality of batteries and wherein said power input receives electrical power from said plurality of batteries.
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6. In combination:
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at least one battery; a dispenser electric motor; and apparatus including a power supply circuit in operative association with said at least one battery and having a power input for receiving electrical power from said at least one battery, a power outlet in operative association with said dispenser electric motor, and at least one supercapacitor during initial energization of said electric motor by said power supply circuit providing at least a portion of the energy requirement of said dispenser electric motor. - View Dependent Claims (7, 8, 9, 10)
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11. A method for reducing current drain and current spike impact on paper towel dispensers or other dispensers including an electric motor powered by at least one battery, said method including the steps of:
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placing a power supply circuit having a power input, a power output and at least one supercapacitor in operative association with said at least one battery; providing electrical power from said at least one battery to said power input; placing said power outlet in operative association with said electric motor; and employing said at least one supercapacitor during initial energization of said electric motor by said power supply circuit to provide at least a portion of the energy requirement of said electric motor. - View Dependent Claims (12, 13, 14, 15, 16)
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Specification