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:
Jun. 13, 2023
Filed:
Jan. 08, 2019
Lg Electronics Inc., Seoul, KR;
Korea University Research and Business Foundation, Seoul, KR;
Hyeunsik Nam, Seoul, KR;
Deokhyun Youn, Seoul, KR;
Sungsub Lee, Seoul, KR;
Jangseok Lee, Seoul, KR;
Chungwoo Jung, Seoul, KR;
Yongtae Kang, Seoul, KR;
Hansol Jung, Seoul, KR;
LG ELECTRONICS INC., Seoul, KR;
KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION, Seoul, KR;
Abstract
A diffusion absorption refrigeration apparatus includes a bubble pump; a gas-liquid separator; a condenser; a gas branch pipe; an evaporator; an absorber; a gas heat exchanger; a storage tank; and a solution heat exchanger, in which a single material of trans-1,3,3,3-tetrafluoropropene (R-1234ze(E)) and 2,3,3,3-tetrafluoropropene (R-1234yf), which have a low global warming potential (GWP), or a mixture thereof at a predetermined ratio is used as a refrigerant. Accordingly, the stability is high and a low GWP can be achieved.