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.:
Date of Patent:
Sep. 19, 2017
Filed:
Jul. 19, 2012
Ken Nakashima, Kawasaki, JP;
Hideya Tamura, Kawasaki, JP;
Takahiro Matsunaga, Kawasaki, JP;
Shinju Watanabe, Kawasaki, JP;
Keito Kawai, Kawasaki, JP;
Kotaro Toya, Kawasaki, JP;
Yasuhiro Oka, Kawasaki, JP;
Ken Nakashima, Kawasaki, JP;
Hideya Tamura, Kawasaki, JP;
Takahiro Matsunaga, Kawasaki, JP;
Shinju Watanabe, Kawasaki, JP;
Keito Kawai, Kawasaki, JP;
Kotaro Toya, Kawasaki, JP;
Yasuhiro Oka, Kawasaki, JP;
Fujitsu General Limited, Kawasaki-shi, JP;
Abstract
A CPUcompares the extracted outside air temperature with a first low pressure saturation temperature. When the outside air temperature is lower than the first low pressure saturation temperature, the CPUswitches a first three-way valveand a second three-way valveso that a second outdoor heat exchangeris used as a condenser and that a first outdoor heat exchangeris not used. When the outside air temperature is higher than a second low pressure saturation temperature which is the first low pressure saturation temperature to which a predetermined temperature is added, the CPUswitches the first three-way valveand the second three-way valveso that the first outdoor heat exchangeris used as a condenser and that the second outdoor heat exchangeris not used.