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:
Nov. 05, 2013

Filed:

Apr. 11, 2011
Applicants:

Heng-yi LI, New Taipei, TW;

How-ming Lee, Taoyuan County, TW;

Chin-ching Tzeng, New Taipei, TW;

Inventors:

Heng-Yi Li, New Taipei, TW;

How-Ming Lee, Taoyuan County, TW;

Chin-Ching Tzeng, New Taipei, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01K 25/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An apparatus and a method generate power and refrigeration from low-grade heat. The apparatus includes a heating module, a power generator module, an ejector, a heat exchanger, a condenser module, a low-temperature evaporator, a reservoir, a pressure pump and two direction controllable three-way valves. The heating module includes a heat source and a boiler. The power generator module includes an expansion turbine and a power generator. The condenser module includes a condenser and a cooling tower. The method is that the direction controllable three-way valves are operated to change the flow directions of the working fluid for executing a power generation and refrigeration mode, a power generation mode, a refrigeration mode or an idle mode.


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