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:
Sep. 13, 2016

Filed:

Feb. 24, 2010
Applicants:

Toshihisa Kondo, Tokyo, JP;

Nobuya Nakagawa, Tokyo, JP;

Hideki Suetake, Tokyo, JP;

Masatoshi Morishita, Tokyo, JP;

Inventors:

Toshihisa Kondo, Tokyo, JP;

Nobuya Nakagawa, Tokyo, JP;

Hideki Suetake, Tokyo, JP;

Masatoshi Morishita, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25B 29/00 (2006.01); B60H 1/32 (2006.01); B60H 1/22 (2006.01); F25B 5/02 (2006.01);
U.S. Cl.
CPC ...
B60H 1/3204 (2013.01); B60H 1/22 (2013.01); B60H 1/2225 (2013.01); B60H 1/3213 (2013.01); F25B 5/02 (2013.01); F25B 2400/16 (2013.01);
Abstract

A vehicle air-conditioning system () includes an HVAC unit () in which a first refrigerant evaporator () and a second refrigerant condenser () are disposed in an air channel () communicating with a vehicle interior space; and a heat pump cycle () in which a refrigerant compressor (), a refrigerant switching device (), a first refrigerant condenser () that exchanges heat with the outside air, a first expansion valve (), and a first refrigerant evaporator () are connected in sequence and in which the second refrigerant condenser () is connected in parallel with the first refrigerant condenser () via the refrigerant switching device (). An exhaust-heat recovery circuit () equipped with a second refrigerant evaporator () disposed in a ventilation channel () from the vehicle interior and a second expansion valve () is connected in parallel with the first expansion valve () and the first refrigerant evaporator () of the heat pump cycle ().


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