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.

Patent No.:

US 9884536 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 06, 2018

Filed:

Aug. 20, 2015
Applicant:

Mitsubishi Heavy Industries, Ltd., Tokyo, JP;

Inventors:

Akira Katayama, Tokyo, JP;

Nobuya Nakagawa, Tokyo, JP;

Toshihisa Kondou, Tokyo, JP;

Masatoshi Morishita, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60H 1/32 (2006.01); B60H 1/00 (2006.01); F25B 43/00 (2006.01); F25B 5/02 (2006.01); F25B 6/02 (2006.01);
U.S. Cl.
CPC ...
B60H 1/00921 (2013.01); B60H 2001/00942 (2013.01); F25B 5/02 (2013.01); F25B 6/02 (2013.01); F25B 43/006 (2013.01); F25B 2400/04 (2013.01); F25B 2400/16 (2013.01);
Abstract

A refrigerant cycle () for cooling as a prototype is provided with: an internal condenser () connected to a discharge circuit of an electric compressor () and disposed on a downstream of an internal evaporator () of an HVAC unit (); a first heating circuit () connected to a receiver () through a switching unit () arranged on an inlet side of the external condenser (); and a second heating circuit () connected between an outlet side of the receiver () and a suction side of the electric compressor () and provided with a second expansion valve () and an external evaporator (). A heat pump cycle () for heating is formed by a second heating circuit () including the electric compressor (), the internal condenser (), the switching unit (), the first heating circuit (), the receiver (), the second expansion valve (), and the external evaporator ().


Find Patent Forward Citations

Katayama, Akira. (2018). Heat-pump automotive air conditioner and defrosting method of the heat-pump automotive air conditioner (U.S. Patent No. 9884536). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9884536

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