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:
Apr. 10, 2001
Filed:
Jan. 21, 1999
Akitoshi Ueno, Osaka, JP;
Yuji Fujimoto, Osaka, JP;
Takenori Mezaki, Osaka, JP;
Yoshihiro Nishioka, Osaka, JP;
Yasutoshi Mizutani, Osaka, JP;
Daikin Industries, Ltd., Osaka, JP;
Abstract
An outdoor unit (,), a parent unit (,), a plurality of child freezers, and a plurality of child refrigerators are provided. The child freezers are disposed in individual frozen display cases, while the child refrigerators are disposed in individual refrigerated display cases. A refrigerant heat exchanger (,) is disposed in only the parent unit (,). The outdoor unit (,) and the refrigerant heat exchanger (,) form a primary refrigerant circuit. A secondary refrigerant circuit is provided in the parent unit (,). Refrigerant circulates through the secondary refrigerant circuit, passing through the refrigerant heat exchanger (,). Each child freezer is provided with a refrigeration utilization side heat exchanger (,) and the heat exchanger (,) and the refrigerant heat exchanger (,) form a secondary refrigerant circuit through which refrigerant circulates. Together with the outdoor unit (,), a heat exchanger which is disposed in each of the child refrigerators forms a secondary refrigerant circuit of a unary refrigeration cycle.