Title:
APPARATUS AND METHOD FOR ELECTRICAL ENERGY STORAGE BASED ON THE POTENTIAL ENERGY OF A VERTICALLY MOVING MASSIVE WEIGHT
Document Type and Number:
WIPO Patent Application WO/2018/134620
Kind Code:
A3
Abstract:
An energy storage system comprising a plurality of cables, a weight attached to respective end regions of the plurality of cables so that the weight can be raised and lowered through a substantially vertical distance by winch means, wherein the cables extend from the weight, through the winch means and subsequently directed through the substantially vertical distance and attached at opposite end regions to a second weight which is moved in an opposite direction to the first-mentioned weight through the substantially vertical distance, the arrangement being such that the passage of movement of the second weight does not interfere with the passage of movement of the first- mentioned weight.
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Inventors:
FRANKLIN MILES (GB)
FRAENKEL PETER (GB)
FRAENKEL PETER (GB)
Application Number:
PCT/GB2018/050170
Publication Date:
October 25, 2018
Filing Date:
January 19, 2018
Export Citation:
Assignee:
GRAVITRICITY LTD (GB)
International Classes:
F03G3/00; H02K7/02; H02K7/06
Domestic Patent References:
| WO2013050343A2 | 2013-04-11 | |||
| WO2013005056A1 | 2013-01-10 |
Foreign References:
| CN202338453U | 2012-07-18 | |||
| JP5771792B1 | 2015-09-02 | |||
| ES297263A1 | 1964-05-16 |
Attorney, Agent or Firm:
BROTHERS, Christopher Michael (GB)
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