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:
Mar. 20, 2018

Filed:

Jan. 12, 2017
Applicants:

Alexander P Rafalovich, Sarasota, FL (US);

Vladimir G Bulygin, St Petersburg, RU;

Inventors:

Alexander P Rafalovich, Sarasota, FL (US);

Vladimir G Bulygin, St Petersburg, RU;

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B 13/00 (2006.01); F25B 25/00 (2006.01); F25B 43/00 (2006.01); F25B 41/04 (2006.01);
U.S. Cl.
CPC ...
F25B 13/00 (2013.01); F25B 25/005 (2013.01); F25B 41/04 (2013.01); F25B 41/046 (2013.01); F25B 43/006 (2013.01); F25B 2341/0662 (2013.01); F25B 2400/0415 (2013.01); F25B 2400/13 (2013.01);
Abstract

The invention presents air-conditioning system with chiller that provides, when operated in the cooling mode, cooling hardware for conditioning space and a heat exchanger for cooling and dehumidification of ambient air in supply air stream with cold liquid. In addition, the invention offers a method and design of a heat utilization system. The method incorporates refrigeration cycle with two consecutive expansions, two expansion devices, and a heat exchanger operating as a second condenser. The method can be used for air conditioners and chillers reheating over-chilled for dehumidification indoor and supply air. The method and design allow energy efficient heat utilization with variable amount of utilized heat.


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