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:
Oct. 28, 2025
Filed:
Jan. 20, 2023
Lg Electronics Inc., Seoul, KR;
LG ELECTRONICS INC., Seoul, KR;
Abstract
A ventilation apparatus includes a housing; a case accommodated in the housing and including a main case having a suction passage for guiding outdoor air into an indoor and an exhaust passage for guiding indoor air to an outdoor and formed by crossing the suction passage, and a lower case coupled to a lower side of the main case; a ventilation module disposed at a position inside the main case where the suction passage and the exhaust passage cross each other, and including at least a total heat exchange element for heat exchange between outdoor air and indoor air without mixing; a suction fan module placed on the suction passage to suck outdoor air; an exhaust fan module placed on the exhaust passage to suck indoor air; and an evaporator placed on the suction passage at a position between the ventilation module and the suction fan module.