Energy harvesting apparatus incorporated into shock absorber
First Claim
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1. An energy harvesting apparatus, for deployment on a vehicle, the apparatus comprising:
- a vehicle shock absorber, comprising;
a dust tube;
a damper tube telescopically mounted within the dust tube and configured for oscillating translational movement within the dust tube;
a magnet fixedly coupled to the dust tube;
a coil fixedly coupled to the damper tube to achieve relative translational movement between the magnet and the coil inducing a current in the coil; and
an energy converter coupled to the coil and mounted on the damper tube, the energy converter comprising a rectifier mounted on the damper tube.
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Abstract
An energy harvesting apparatus, for deployment on a vehicle, comprises a vehicle shock absorber including a dust tube, and a damper tube telescopically mounted within the dust tube and configured for oscillating translational movement with respect thereto. A magnet is fixedly coupled to one of the dust tube or the damper tube, and a coil is fixedly coupled to the other of the dust tube or the damper tube to achieve relative translational movement between the magnet and the coil to induce a current in the coil.
130 Citations
9 Claims
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1. An energy harvesting apparatus, for deployment on a vehicle, the apparatus comprising:
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a vehicle shock absorber, comprising; a dust tube; a damper tube telescopically mounted within the dust tube and configured for oscillating translational movement within the dust tube; a magnet fixedly coupled to the dust tube; a coil fixedly coupled to the damper tube to achieve relative translational movement between the magnet and the coil inducing a current in the coil; and an energy converter coupled to the coil and mounted on the damper tube, the energy converter comprising a rectifier mounted on the damper tube. - View Dependent Claims (2, 3, 4)
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5. An energy harvesting apparatus, for deployment on a vehicle, the apparatus comprising:
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a vehicle shock absorber, comprising; a dust tube, the dust tube configured as a cylinder with an inner surface and an opposite facing, outer surface; a damper tube telescopically mounted within the dust tube and configured for oscillating translational movement within the dust tube; a magnet fixedly coupled on the damper tube; a coil fixedly coupled on the inner surface of the dust tube to achieve relative translational movement between the magnet and the coil; and an energy converter coupled to the coil and mounted on the outer surface of the dust tube, the energy converter comprising a rectifier mounted on the outer surface of the dust tube. - View Dependent Claims (6, 7, 8, 9)
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Specification
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Current AssigneeGM Global Technology Operations LLC (General Motors Company)
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Original AssigneeGM Global Technology Operations LLC (General Motors Company)
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InventorsNamuduri, Chandra S., Li, Yunjun, Talty, Timothy J., Elliott, Robert B., McMahon, Nancy
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Primary Examiner(s)Leung, Quyen
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Assistant Examiner(s)KENERLY, TERRANCE L
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Application NumberUS12/394,328Publication NumberTime in Patent Office1,278 DaysField of Search310/12.12, 310/14, 310/15, 310/23, 310/30, 310/34, 310/36US Class Current310/23CPC Class CodesH02K 35/02 with moving magnets and sta...H02K 7/1876 with reciprocating, linearl...
