Shipstone Corporation Patent applications |
Patent application number | Title | Published |
20160025111 | SYSTEM AND METHOD FOR ENERGY STORAGE AND RETRIEVAL - Disclosed herein is an isothermal liquid piston natural gas compression and expansion system for storing and retrieving energy in large quantities that employs an existing infrastructure embodied in the natural gas pipeline and storage system, including the natural gas as a medium for the storage and retrieval of pressure energy for large scale sustainable energy storage. | 01-28-2016 |
20140190155 | SYSTEM AND METHOD FOR ENERGY STORAGE AND RETRIEVAL - Disclosed herein is a system including a generator/motor subsystem configured to interchangeably impart and receive mechanical force; a stiff DC bus; and power conditioning circuitry electrically connected between the generator/motor subsystem and the stiff DC bus, the power conditioning circuitry conditioning electrical power received from the stiff DC bus to control the angular speed of a rotor of the generator/motor subsystem when imparting mechanical force, and also conditioning electrical power generated for provision to the stiff DC bus by the generator/motor subsystem when receiving mechanical force. | 07-10-2014 |