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. 08, 2026
Filed:
Nov. 02, 2022
Lg Electronics Inc., Seoul, KR;
LG ELECTRONICS INC., Seoul, KR;
Abstract
A heat pump may include: a compressor compressing refrigerant received from an accumulator; a water-refrigerant heat exchanger exchanging heat between the refrigerant discharged from the compressor and water; a main expansion valve expanding the refrigerant passed through the water-refrigerant heat exchanger; an outdoor heat exchanger exchanging heat between the refrigerant passed through the main expansion valve and outdoor air and connected to the accumulator; a main pipe connecting the water-refrigerant heat exchanger and the outdoor heat exchanger, the main pipe at which the main expansion valve is installed; an internal heat exchanger installed at the main pipe between the water-refrigerant heat exchanger and the main expansion valve; an injection pipe at which the internal heat exchanger is installed; an injection valve installed at the injection pipe; a bypass pipe; and a bypass valve installed at the bypass pipe.