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. 12, 1989
Filed:
Jul. 11, 1988
Applicant:
Inventor:
Toshiyuki Hino, Chofu, JP;
Assignee:
Kajima Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
62123 ; 62534 ;
Abstract
An ice storage refrigerating apparatus of direct contact type comprises a closed crystallizer tank containing water therein and a refrigerant circulating system. A refrigerant consisting essentially of a hydrocarbon having four carbon atoms and/or a hydrocarbon having five carbon atoms is brought into direct contact with the water contained in the crystallizer tank to form ice in sherbet form which is used for heat exchange to provide chilled water used for air conditioning.