Broad frequency band energy scavenger
First Claim
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1. An energy generation device comprising:
- a base fixedly secured to a source of mechanical energy of an oscillatory nature;
at least one mass movably suspended relative to the base;
at least one flexible member for movably suspending the at least one mass relative to the base;
a second flexible member for movably suspending the at least one mass relative to the base; and
the first and second flexible members converting mechanical energy from oscillations emitted by the source of mechanical energy into electrical signals.
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Abstract
In accordance with one aspect of the present exemplary embodiment, an energy generation device is provided. A base is fixedly secured to a source of mechanical energy of an oscillatory nature. At least one mass is movably suspended relative to the base. First and second members movably suspend the at least one mass relative to the base. The first and second flexible members convert mechanical energy from oscillations emitted by the source of mechanical energy into electrical signals.
62 Citations
20 Claims
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1. An energy generation device comprising:
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a base fixedly secured to a source of mechanical energy of an oscillatory nature;
at least one mass movably suspended relative to the base;
at least one flexible member for movably suspending the at least one mass relative to the base;
a second flexible member for movably suspending the at least one mass relative to the base; and
the first and second flexible members converting mechanical energy from oscillations emitted by the source of mechanical energy into electrical signals. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of energy conversion comprising:
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receiving input mechanical energy along at least one range of motion, causing a mass to oscillate in at least one mode of oscillation;
converting a portion of kinetic energy of the oscillations of the mass in the at least one mode of oscillation into oscillations of the mass in a second, different mode of oscillation, causing the mass to simultaneously oscillate in two separate modes of oscillation; and
converting mechanical energy from the motions of the mass in the at least two modes of oscillation into electrical energy. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17)
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18. A method of energy conversion comprising:
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harnessing kinetic energy of a single frequency band in one degree of freedom;
converting the kinetic energy into additional modes of oscillation, each mode of oscillation sensitive to a different frequency of input energy; and
converting the kinetic energy into electrical energy.
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19. A method of energy conversion comprising:
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receiving kinetic energy along at least one degree of freedom at an incumbent frequency;
spreading the kinetic energy over multiple masses interconnected with flexible members, the masses and flexible members having multiple resonant frequencies; and
converting a portion of the kinetic energy into electrical energy.
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20. A method of energy conversion comprising:
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receiving directional input mechanical energy of one or more degrees of freedom of a bounded range of frequencies;
transforming the mechanical energy by distributing the input energy over multiple masses interconnected with flexible members, the masses and flexible members having multiple resonant frequencies, wherein the directional input mechanical energy is distributed over multiple modes of oscillation; and
converting a part of the input energy into electrical energy in at least one of the multiple modes of oscillations.
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Specification