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:
Nov. 15, 1994
Filed:
Feb. 16, 1993
Takashi Nakao, Ibaraki, JP;
Hiroaki Yoda, Tsuchiura, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
To provide an absorption air conditioning system and cooling/heating change-over method which do not make users uncomfortable just after a cooling mode is changed to a heating mode and vice versa, there is provided an absorption air conditioning system including an absorption cool water/hot water making machine for producing cool water/hot water for air conditioning, a room machine for carrying out the air conditioning of a room by circulation of the cool water/hot water from the absorption cool water/hot water making machine, and a piping for introducing the cool water/hot water from the absorption cool water/hot water making machine to the room machine, wherein the system further includes a bypass piping connected between the absorption cool water/hot water making machine and the room machine through a valve, and a means for opening/closing the valve.