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US Patent 7174716 Organic rankine cycle waste heat applications

Patent 7174716 was granted and assigned to UTC Power on February, 2007 by the United States Patent and Trademark Office.

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Patent
Patent

Patent attributes

Current Assignee
UTC Power
UTC Power
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7174716
Patent Inventor Names
Bruce P. Biederman0
Joost J. Brasz0
Date of Patent
February 13, 2007
Patent Application Number
10293727
Date Filed
November 13, 2002
Patent Citations Received
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US Patent 12135016 Systems for generating geothermal power in an organic Rankine cycle operation during hydrocarbon production based on wellhead fluid temperature
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US Patent 11971019 Systems for generating geothermal power in an organic Rankine cycle operation during hydrocarbon production based on wellhead fluid temperature
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0
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US Patent 12060867 Systems for generating geothermal power in an organic Rankine cycle operation during hydrocarbon production based on working fluid temperature
0
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US Patent 12104553 Systems and methods utilizing gas temperature as a power source
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US Patent 12110878 Systems and methods for generation of electrical power at a drilling rig
0
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US Patent 11761353 Systems and methods utilizing gas temperature as a power source
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US Patent 11761433 Systems and methods for generation of electrical power in an organic Rankine cycle operation
...
Patent Primary Examiner
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Hoang Nguyen
Patent abstract

A machine designed as a centrifugal compressor is applied as an organic rankine cycle turbine by operating the machine in reverse. In order to accommodate the higher pressures when operating as a turbine, a suitable refrigerant is chosen such that the pressures and temperatures are maintained within established limits. Such an adaptation of existing, relatively inexpensive equipment to an application that may be otherwise uneconomical, allows for the convenient and economical use of energy that would be otherwise lost by waste heat to the atmosphere.

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