US 12,215,891 B2
Wind pressure-driven air intake device
Jason Lin, Fremont, CA (US)
Filed by Jason Lin, Fremont, CA (US)
Filed on Aug. 14, 2023, as Appl. No. 18/233,771.
Application 18/233,771 is a continuation of application No. 17/190,406, filed on Mar. 3, 2021, granted, now 11,732,915.
Prior Publication US 2023/0383968 A1, Nov. 30, 2023
Int. Cl. F24F 7/02 (2006.01)
CPC F24F 7/02 (2013.01) 20 Claims
OG exemplary drawing
 
1. A natural wind pressure-driven air intake device, comprising:
a plurality of tunnels arranged circumferentially around a central chamber, each of said plurality of tunnels having an inflow valve, an inner end radially abutting and connecting said central chamber, and an outer end open to ambient airflow, said inflow valve allowing only inward airflow from each of said plurality of tunnels into said central chamber, said central chamber having an aperture allowing airflow exit to a space to be ventilated, wherein each of said plurality of tunnels being straight, unbent/unturned, and unobstructed except by said inflow valve, and being directed straightly towards said central chamber, and said inner end facing at least one another said inner end.