Energy recovery during expansion of compressed gas using power plant low-quality heat sources

Patent · Tue Mar 07 00:00:00 EST 2006

OSTI ID:908555

Ochs, Thomas L ^[1]; O'Connor, William K ^[2]

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1. Albany, OR
2. Lebanon, OR

A method of recovering energy from a cool compressed gas, compressed liquid, vapor, or supercritical fluid is disclosed which includes incrementally expanding the compressed gas, compressed liquid, vapor, or supercritical fluid through a plurality of expansion engines and heating the gas, vapor, compressed liquid, or supercritical fluid entering at least one of the expansion engines with a low quality heat source. Expansion engines such as turbines and multiple expansions with heating are disclosed.

• Research Organization: Albany Research Center (ARC), Albany, OR (United States)
• Sponsoring Organization: USDOE
• Assignee: The United States of America as represented by the United States Department of Energy (Washington, DC)
• Patent Number(s): 7,007,474
• Application Number: 10/309,287
• OSTI ID: 908555
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING