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:
Feb. 27, 2007

Filed:

Mar. 22, 2005
Applicants:

Keiichi Uno, Kariya, JP;

Hironori Asa, Okazaki, JP;

Atsushi Inaba, Kariya, JP;

Takashi Yamanaka, Kariya, JP;

Hideji Yoshida, Hashima, JP;

Hiroshi Ogawa, Nagoya, JP;

Inventors:

Keiichi Uno, Kariya, JP;

Hironori Asa, Okazaki, JP;

Atsushi Inaba, Kariya, JP;

Takashi Yamanaka, Kariya, JP;

Hideji Yoshida, Hashima, JP;

Hiroshi Ogawa, Nagoya, JP;

Assignees:

Denso Corporation, Kariya, JP;

Nippon Soken, Inc., Nishio, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05D 23/32 (2006.01);
U.S. Cl.
CPC ...
Abstract

A waste heat energy recovery system has a refrigerant cycle and a Rankine cycle. When the cycle operation is changed from the refrigerant cycle to the Rankine cycle, an expansion device is started after the pump is started. When the cycle operation is changed from the Rankine cycle to the refrigerant cycle, the expansion device is stopped after the pump is stopped.


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