Power Supply Systems for Electrical Devices
First Claim
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1. An electrically powered portable device, the device including comprising:
- means for providing a function to be performed by the device,an electrical power supply which incorporates in combination a voltage source and at least one capacitor for storing electrical charge to power the device, the voltage source and the at least one capacitor being arranged so that the voltage source progressively charges the at least one capacitor for any period that the at least one capacitor is not fully charged, wherein the voltage source continuously provides electrical power to at least one first component of the function providing means and the at least one capacitor intermittently provides high electrical power to at least one second component of the function providing means, andelectronic control circuitry to control electrical power drawn from the electrical power supply for driving the function providing means.
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Abstract
An electrically powered portable device, the device including means for providing a function to be performed by the device, an electrical power supply which incorporates in combination a voltage source and at least one capacitor for storing electrical charge to power the device, the voltage source and the at least one capacitor being arranged so that the voltage source progressively charges the at least one capacitor for any period that the at least one capacitor is not fully charged, and electronic control circuitry to control electrical power drawn from the electrical power supply for driving the function providing means.
1267 Citations
36 Claims
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1. An electrically powered portable device, the device including comprising:
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means for providing a function to be performed by the device, an electrical power supply which incorporates in combination a voltage source and at least one capacitor for storing electrical charge to power the device, the voltage source and the at least one capacitor being arranged so that the voltage source progressively charges the at least one capacitor for any period that the at least one capacitor is not fully charged, wherein the voltage source continuously provides electrical power to at least one first component of the function providing means and the at least one capacitor intermittently provides high electrical power to at least one second component of the function providing means, and electronic control circuitry to control electrical power drawn from the electrical power supply for driving the function providing means. - View Dependent Claims (2, 3, 4, 6, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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- 5. An electrically powered portable device according to claim 5 wherein the at least one battery is packaged together with the at least one capacitor in a common package.
- 26. A replaceable package for an electrically powered portable device, which package comprises, in combination, a battery pack, comprising one or more disposable batteries, and a consumable pack comprising a plurality of consumable doses, either individually packaged or in a bulk form, for emission by the electrically powered portable device.
- 30. An electrical power source for an electrically powered portable device, which power source comprises, in combination, a battery pack, comprising one or more disposable batteries, at least one capacitor electrically connected to the battery pack, a voltage regulator for regulating the output voltage of the at least one capacitor, the voltage regulator being adapted to output a desirable voltage for the application, and output terminals for the power source electrically connected to the at least one capacitor.
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33. An electrically powered portable medical inhaler, the medical inhaler comprising:
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function providing means including any powered delivery means for converting electrical energy into fluid or powder flow at the desired high pressure and flow rate, such as a displacement pump, a solenoid, or another mechanical actuator arranged directly or indirectly to aerosolise a unit dose of an inhalation medicament for inhalation, an electrical power supply which incorporates in combination a voltage source and at least one capacitor for storing electrical charge to power the inhaler, the voltage source and the at least one capacitor being arranged so that the voltage source progressively charges the at least one capacitor for any period that the at least one capacitor is not fully charged, wherein the at least one capacitor intermittently provides pulses of high electrical power to at least the solenoid, and electronic control circuitry to control electrical power drawn from the electrical power supply for driving the function providing means.
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34. An electrically powered portable spray device for generating an aerosol spray of a product, the spray device comprising:
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a reservoir for the product, a nozzle for discharging a spray, a delivery device to deliver the product from the reservoir to the nozzle, an aerosol spray generator for producing an aerosol spray of the product at the nozzle, an electrical power supply which incorporates in combination a voltage source and at least one capacitor for storing electrical charge to power the device, the voltage source and the at least one capacitor being arranged so that the voltage source progressively charges the at least one capacitor for any period that the at least one capacitor is not fully charged, wherein the at least one capacitor intermittently provides high electrical power to at least the aerosol spray generator, and electronic control circuitry to control electrical power drawn from the electrical power supply for driving at least the aerosol spray generator.
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35. An electrically powered portable medical injector, the medical injector comprising:
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an injection means, an electrical power supply which incorporates in combination a voltage source and at least one capacitor for storing electrical charge to power the injector, the voltage source and the at least one capacitor being arranged so that the voltage source progressively charges the at least one capacitor for any period that the at least one capacitor is not fully charged, wherein the at least one capacitor intermittently provides pulses of high electrical power to the injection means, and electronic control circuitry to control electrical power drawn from the electrical power supply for driving the injection means.
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36. A medical inhaler in the form of an aerosol generating device, the medical inhaler comprising:
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an electrical power source including a battery in parallel with a supercapacitor to provide output terminals connected to an actuator, the actuator is coupled to a piston disposed in a cylinder having an outlet in the form of a dosing orifice, a container containing a supply of a drug to be dispensed is connected to the cylinder, and a dosing device is provided at the outlet of the container to dispense a measured dose of the drug into the cylinder, and the dosing orifice has a predetermined shape and dimension to generate an aerosol when the measured amount of the drug is expressed therethrough under pressure from the action of the piston operated by the actuator.
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Specification