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. 17, 2018

Filed:

Mar. 07, 2014
Applicant:

Saga University, Saga-Shi, Saga, JP;

Inventors:

Yasuyuki Ikegami, Saga, JP;

Sadayuki Jitsuhara, Tokyo, JP;

Taro Watanabe, Tokyo, JP;

Shin Okamura, Tokyo, JP;

Assignee:

SAGA UNIVERSITY, Saga-Shi, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01K 7/12 (2006.01); F01K 23/02 (2006.01); F01K 25/10 (2006.01); F28B 1/02 (2006.01); F28D 1/02 (2006.01); F28D 1/03 (2006.01); F28D 21/00 (2006.01); F01K 7/16 (2006.01);
U.S. Cl.
CPC ...
F01K 7/16 (2013.01); F01K 23/02 (2013.01); F01K 25/106 (2013.01); F28B 1/02 (2013.01); F28D 1/022 (2013.01); F28D 1/0316 (2013.01); F28D 2021/0063 (2013.01); F28D 2021/0064 (2013.01); F28F 2250/106 (2013.01);
Abstract

There is provided a steam power cycle system in which steam power cycles using pure materials as a working fluid is used in a multiple stage to reduce pressure loss in the flow channels in the respective heat exchanger so that the fluid serving as heat sources has been caused to make an effective heat exchange with the working fluid. More specifically, not only that the respective flow channels for the fluid serving as heat sources in the evaporator and the condenser in the respective steam power cycle units are connected in series to each other, but the evaporator and the condenser comprise a cross-flow type heat exchanger and are arranged respectively in a flowing direction of the fluid serving as heat source. Consequently, it is possible to reduce the length of the flow channels to the minimum necessary, simplify the flow channel structure, and reduce the pressure loss.


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