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;
a first 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, generating two modes of oscillation upon application of the mechanical energy from a single direction, and converting the mechanical energy from the 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.
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Citations
22 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; a first 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, generating two modes of oscillation upon application of the mechanical energy from a single direction, and converting the mechanical energy from the oscillations emitted by the source of mechanical energy into electrical signals. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method of energy conversion comprising:
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receiving input mechanical energy along range of motion, causing a mass to oscillate in a first mode of oscillation; converting a portion of kinetic energy of the oscillations of the mass in the first 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 two modes of oscillation into electrical energy, wherein the motions of the mass are obtained by use of a flexible member. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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21. 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, wherein at least some of the flexible members are providing interconnection between a base and some of the masses and others of the flexible members are providing interconnection between the masses; and converting a portion of the kinetic energy into electrical energy.
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22. A method of energy conversion comprising:
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receiving mechanical energy in a single direction the mechanical energy having a bounded range of frequencies; transforming the mechanical energy by distributing the mechanical 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 wherein at least some of the flexible members are providing interconnection between a base and some of the masses and others of the flexible members provide interconnection between the masses; and converting a part of the input energy into electrical energy in more than one of the multiple modes of oscillations.
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Specification