07963110 is referenced by 44 patents and cites 774 patents.

In various embodiments, systems for providing a constant electrical output from a compressed gas energy storage and recovery system include a hydraulic-pneumatic energy storage and recovery system configured to provide a varying pressure profile at least at one outlet, a hydraulic motor-pump in fluid communication with the outlet, and a control system for enabling the constant electrical output by controlling at least one of pressure, piston position, power, flow rate, torque, RPM, current, voltage, frequency, or displacement per revolution.

Title
Systems and methods for improving drivetrain efficiency for compressed gas energy storage
Application Number
12/723084
Publication Number
7963110 (B2)
Application Date
March 12, 2010
Publication Date
June 21, 2011
Inventor
Michael Schaefer
West Lebanon
NH, US
Troy O McBride
West Lebanon
NH, US
Benjamin R Bollinger
West Lebanon
NH, US
Agent
Bingham McCutchen
Assignee
SustainX
NH, US
IPC
F04B 49/00
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