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:
Jan. 27, 1998
Filed:
Apr. 29, 1996
Yuji Yoshida, Itami, JP;
Masami Funakura, Neyagawa, JP;
Mitsuharu Matsuo, Hirakata, JP;
Minoru Tagashira, Hirakata, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
The present invention provides an apparatus for charging a three-component mixed refrigerant substitutable for R22 or R502 and a method for charging the three-component mixed refrigerant. A high-boiling point refrigerant container and a metering device for the high-boiling point refrigerant and a container for an azeotrope-like mixed refrigerant lower in boiling point than said high-boiling point refrigerant and a metering device for the azeotrope-like mixed refrigerant are connected to one pipe line having a refrigerant charging port, and a given amount of the high-boiling point refrigerant and a given amount of the lower boiling point azeotrope-like mixed refrigerant are metered and charged in this order in a heat pump apparatus.