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. 28, 1999
Filed:
Aug. 06, 1997
Hiroshi Takenaka, Shimizu, JP;
Hirokiyo Terada, Shizuoka, JP;
Minetoshi Izushi, Shimizu, JP;
Kensaku Oguni, Shimizu, JP;
Makoto Nagai, Yaizu, JP;
Shunji Sasaki, Shimizu, JP;
Yasuji Sakuma, Shimizu, JP;
Kenji Tokusa, Shizuoka, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
An air conditioner in accordance with the invention comprises a first unit including a compressor and a heat exchanger; a second unit including a heat exchanger; a refrigerant circuit connecting the compressor and the heat exchanger of the first unit, with the heat exchanger of the second unit, through which a refrigerant flows; a refrigerant pressure reduction valve disposed in the refrigerant circuit and provided in the second unit; a control unit provided in the first unit for controlling the refrigerant pressure reduction valve in the second unit.