WEIGHT-LIFT AND DROP ENERGY STORAGE SYSTEM
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United States of America Patent
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Issued Date -
Oct 17, 2024
app pub date -
Apr 16, 2024
filing date -
Apr 16, 2024
priority date (Note) -
Published
status (Latency Note)
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Abstract
An apparatus for storing energy includes a subsurface well. A cable is cooperatively engaged with a winch. The winch has a motor/generator wherein electrical power applied to the motor/generator operates the winch to retract the cable, and wherein motion applied to the cable operates the winch to generate electrical power. A plurality of weights is disposed proximate the well. The plurality of weights is shaped to enable movement along an interior of the subsurface well. Means for selectively connecting each of the weights to the cable is provided, wherein each of the plurality of weights is individually connectable to the cable to either (i) induce motion on the cable by gravity or (ii) be withdrawn from the well by the cable.
First Claim
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