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:
Jul. 29, 2014
Filed:
Jul. 29, 2010
Younghwan Ko, Changwon-si, KR;
Sangkyoung Park, Changwon-si, KR;
Yonghee Jang, Changwon-si, KR;
Bumsuk Kim, Changwon-si, KR;
Younghwan Ko, Changwon-si, KR;
Sangkyoung Park, Changwon-si, KR;
Yonghee Jang, Changwon-si, KR;
Bumsuk Kim, Changwon-si, KR;
LG Electronics Inc., Seoul, KR;
Abstract
A heat pump including at least two refrigerant injection flow paths into a scroll compressor and a main circuit. The main circuit includes a scroll compressor, a condenser, an expansion valve, a phase separator, and an evaporator for evaporating refrigerant. The scroll compressor is provided with a first refrigerant injection port between an inlet of the scroll compressor and an outlet of the scroll compressor, and a second refrigerant injection port between the inlet and the first refrigerant injection port. A first refrigerant injection flow path is bypassed from the phase separator. An internal heat exchanger is installed between the phase separator and the evaporator. A second refrigerant injection flow path is bypassed between the phase separator and the internal heat exchanger. The second refrigerant injection flow path is passed through the internal heat exchanger.