HARVESTING ENERGY FROM VEHICULAR VIBRATIONS USING PIEZOELECTRIC DEVICES
First Claim
Patent Images
1. An energy harvesting apparatus, for deployment on a vehicle, the apparatus comprising:
- a shock absorber, comprising;
a dust tube assembly;
a jounce bumper assembly mounted within the dust tube assembly at a first end thereof; and
a damper tube assembly mounted for telescopic movement within the dust tube assembly and through a second end thereof, the jounce bumper assembly configured to be impacted by the damper tube assembly; and
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a piezoelectric device coupled to the jounce bumper assembly.
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Abstract
An energy harvesting apparatus, for deployment on a vehicle, comprises a shock absorber, including a dust tube assembly, a jounce bumper assembly mounted within the dust tube assembly at a first end thereof, and a damper tube mounted for telescopic movement through a second end of the dust tube, the jounce bumper assembly configured for impact with the damper tube. A piezoelectric device is coupled to the jounce bumper assembly.
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Citations
20 Claims
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1. An energy harvesting apparatus, for deployment on a vehicle, the apparatus comprising:
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a shock absorber, comprising; a dust tube assembly; a jounce bumper assembly mounted within the dust tube assembly at a first end thereof; and a damper tube assembly mounted for telescopic movement within the dust tube assembly and through a second end thereof, the jounce bumper assembly configured to be impacted by the damper tube assembly; and
;a piezoelectric device coupled to the jounce bumper assembly. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An energy harvesting apparatus for use on a vehicle of the type that includes a sprung mass, an unsprung mass, and a shock absorber coupled between the sprung mass and the unsprung mass, the shock absorber comprising a first member coupled to the sprung mass and a second member coupled to the unsprung mass, the second member configured for reciprocating translational movement with respect to the first member through a first end thereof, the apparatus comprising:
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a resilient bumper mounted within the first member at a second end thereof, the resilient bumper configured for compression by the second member; a piezoelectric device coupled to the resilient bumper for generating electrical energy when strained by the second member. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. An energy harvesting apparatus, for use on a vehicle having a spring mass and an unsprung mass, the apparatus comprising:
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a shock absorber, comprising; a dust tube coupled to the sprung mass; a damper tube mounted for telescopic movement within the dust tube and mounted to the unsprung mass; and a jounce bumper mounted within the dust tube and configured for impact by the damper tube; and a piezoelectric device coupled to the jounce bumper for generating electrical energy when strained due to impact by the damper tube. - View Dependent Claims (19, 20)
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Specification