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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0639045 (1991-01-09) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 8 인용 특허 : 0 |
A passive building vent disposed in an outside vertical building wall, communicates between the outside atmospheric air and the confined air within the building, via a housing forming an air mixing chamber with a passageway disposed therethrough. A movable membrane is mounted within the housing at o
A passive building vent adapted to be disposed in an outside vertical building wall, in operative relationship to an opening provided in said building wall for communicating between the outside atmospheric air and the confined air within said building comprising: (A) housing means including an air m
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