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:
Apr. 28, 2026
Filed:
Jan. 20, 2023
Lg Electronics Inc., Seoul, KR;
LG ELECTRONICS INC., Seoul, KR;
Abstract
A ventilation apparatus includes a housing having an outdoor air inlet, an outdoor air outlet, an indoor air inlet, and an indoor air outlet; a total heat exchange element in the housing, the total heat exchange element having four side edges; four partition walls connecting the four side edges of the total heat exchange element to four side surfaces of the housing to divide the housing into an outdoor air inlet space, an outdoor air discharge space, an indoor air inlet space, and an indoor air discharge space; an outdoor air discharge guide duct; an indoor air inlet guide duct; and a bypass duct branching from the indoor air inlet guide duct to bypass the total heat exchange element, the bypass duct extending to the indoor air discharge space. Indoor air introduced through the outdoor indoor air inlet selectively passes through the total heat exchange element according to an operation mode.