The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 07, 2015

Filed:

Feb. 04, 2013
Applicant:

Electratherm, Inc., Reno, NV (US);

Inventors:

Hans Wain, Truckee, CA (US);

David Williams, Carson City, NV (US);

Assignee:

ElectraTherm, Inc., Reno, NV (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01K 25/08 (2006.01); F01K 23/04 (2006.01); F01K 23/06 (2006.01);
U.S. Cl.
CPC ...
F01K 25/08 (2013.01); F01K 23/04 (2013.01); F01K 23/064 (2013.01); Y02E 20/14 (2013.01); Y02T 10/166 (2013.01);
Abstract

Apparatus, systems and methods are provided for the improved use of waste heat recovery systems which utilize the organic Rankine cycle (ORC) to generate mechanical and/or electric power from waste heat of large industrial machines (prime movers) generating power from biofuel such as biogas produced during the anaerobic digestion process. Waste heat energy obtained from prime mover(s) is provided to one or more ORC system(s) which are operatively coupled to separate electrical generator(s). The ORC system includes a heat coupling subsystem which provides the requisite condensation of ORC working fluid by transferring heat from ORC working fluid to another process or system, such as anaerobic digester tank(s), to provide heat energy that enhances the production of fuel for the prime mover(s) without requiring the consumption of additional energy for that purpose.


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