公开(公告)号：US20180224140A1

公开(公告)日：2018-08-09

申请号：US15748652

申请日：2016-09-16

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KOUJI IIO ,  KENICHI ISHIGURO ,  TOSHIHIKO HASHIMOTO ,  YASUHIRO SUZUKI

IPC: F24F7/08 ,  F24F13/30 ,  F24F13/20 ,  F24F13/14

Abstract: A heat exchanging ventilation device includes supply air blower (8); exhaust air blower (9); a supply air blowing passage through which air to be delivered to indoor from outdoor by supply air blower (8) passes; a exhaust air blowing passage through which air to be delivered to the outdoor from the indoor by the exhaust air blower passes; heat exchange element (11) disposed at a position where both the supply air blowing passage and the exhaust air blowing passage pass and exchanging heat between air delivered by supply air blower (8) and air delivered by exhaust air blower (9); supply air damper (12) provided on supply air inlet (2) side of the supply air blowing passage; exhaust air damper (13) provided on exhaust air outlet (3) side of the exhaust air blowing passage; and circulation damper (14) provided at boundary portion (25) which separates the supply air blowing passage and the exhaust air blowing passage from each other.