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:
May. 26, 2020
Filed:
May. 20, 2016
Lg Electronics Inc., Seoul, KR;
Seungphyo Ahn, Seoul, KR;
Seonghwan Kim, Seoul, KR;
Bio Park, Seoul, KR;
Hyunwoo Noh, Seoul, KR;
Hyuksoo Lee, Seoul, KR;
LG ELECTRONICS INC., Seoul, KR;
Abstract
The present invention relates to a clothes dryer, including a drum, a heat pump cycle having a first evaporator, a compressor and a condenser, and a blower for circulating air, wherein the heat pump cycle includes second to nth evaporators disposed in series with the first evaporator within an air duct; an auxiliary heat exchanger to cool refrigerant discharged from the condenser, and first to nth expansion valves to independently control flow rates of refrigerants flowing into the first to nth evaporators, wherein the dryer further includes a controller to control the compressor according to refrigerant discharge pressure of the compressor or refrigerant inlet pressure of the condenser.