	US 12,276,109 B2
	Ventilation assembly
Ya-Ching Chan, Taichung (TW)
Assigned to Ya-Ching Chan, Taichung (TW); and Chih-Hsueh Lin, Miami, FL (US)
Appl. No. 17/760,996
Filed by Chih-Hsueh Lin, Miami, FL (US); and Ya-Ching Chan, Taichung (TW)
PCT Filed Sep. 15, 2020, PCT No. PCT/IB2020/058546 § 371(c)(1), (2) Date Mar. 16, 2022, PCT Pub. No. WO2021/053499, PCT Pub. Date Mar. 25, 2021.
Claims priority of application No. 108134057 (TW), filed on Sep. 20, 2019.
Prior Publication US 2022/0307266 A1, Sep. 29, 2022
Int. Cl. E04D 13/17 (2006.01); F24F 7/02 (2006.01); F24F 13/20 (2006.01); F24F 13/22 (2006.01)

CPC E04D 13/17 (2013.01) [F24F 7/02 (2013.01); F24F 13/20 (2013.01); F24F 13/222 (2013.01)]

8 Claims

1. A ventilation assembly comprising:

a frame unit including two frame assemblies, and two closing plates connected between said frame assemblies, each of said frame assemblies including at least two frame seats spaced apart from each other in a first direction, an outer side plate connected between said frame seats, and an inner side plate connected between said frame seats and spaced apart from and opposite to said outer side plate, wherein said frame seats, said outer side plate and said inner side plate of each of said frame assemblies cooperatively define a tortuous passage, each of said frame assemblies further including a first air vent cooperatively defined by at least said inner side plate and said frame seats, and a second air vent cooperatively defined by at least said outer side plate and said frame seats; and

a cover body connected to and cooperating with said frame assemblies and said closing plates to define an air chamber, said air chamber being configured to communicate with an opening in an upper portion of a building;

wherein said first air vent is provided to communicate said air chamber with said tortuous passage, and said second air vent is provided to communicate said tortuous passage with the atmosphere;

wherein each of said frame seats has an outer wall fixed to said outer side plate, an inner wall fixed to said inner side plate, a top wall connected between top ends of said outer wall and said inner wall, and a bottom wall connected between bottom ends of said outer wall and said inner wall, said outer wall having a first engaging groove, said inner wall having a second engaging groove, each of said frame seats further having two guide plates respectively engaged to said first engaging groove and said second engaging groove;

wherein said outer side plate of each of said frame assemblies has a first end engaged to said inner walls of said frame seats, and a second end that is opposite to said first end, that is engaged to bottom portions of said outer walls of said frame seats and that is proximate to said bottom walls of said frame seats;

wherein said inner side plate has a first end engaged to said inner walls of said frame seats and spaced apart from said first end of said outer side plate, and a second end opposite to said first end of said inner side plate and proximate to a junction of said inner wall and said bottom wall of each of said frame seats;

wherein said first air vent is proximate to said top walls of said frame seats, and is cooperatively defined by said frame seats, said first end of said inner side plate and said first end of said outer side plate; and

wherein said second air vent is located between said bottom walls of said frame seats, and is cooperatively defined by said frame seats, said second end of said inner side plate and said second end of said outer side plate.