US 11,850,411 B2
Blade type check valve
Mohammad Mohsen Saadat, Soest (DE)
Appl. No. 16/965,592
Filed by Mohammad Mohsen Saadat, Soest (DE)
PCT Filed Jan. 28, 2020, PCT No. PCT/EP2020/052023
§ 371(c)(1), (2) Date Nov. 28, 2022,
PCT Pub. No. WO2020/157054, PCT Pub. Date Aug. 6, 2020.
Claims priority of application No. 10 2019 000 611.9 (DE), filed on Jan. 28, 2019.
Prior Publication US 2021/0372537 A1, Dec. 2, 2021
Int. Cl. F16K 15/14 (2006.01); F16K 27/00 (2006.01); A61M 60/148 (2021.01); A61M 60/258 (2021.01); A61M 60/405 (2021.01); A61M 60/892 (2021.01); F16K 15/03 (2006.01); A61M 60/427 (2021.01); A61M 60/268 (2021.01); A61M 60/196 (2021.01); A61M 60/894 (2021.01); A61M 60/585 (2021.01); A61M 60/837 (2021.01)
CPC A61M 60/148 (2021.01) [A61M 60/196 (2021.01); A61M 60/258 (2021.01); A61M 60/268 (2021.01); A61M 60/405 (2021.01); A61M 60/427 (2021.01); A61M 60/585 (2021.01); A61M 60/837 (2021.01); A61M 60/892 (2021.01); A61M 60/894 (2021.01); F16K 15/035 (2013.01); F16K 15/144 (2013.01); F16K 27/00 (2013.01); A61M 2205/04 (2013.01); A61M 2205/3337 (2013.01); A61M 2210/125 (2013.01)] 13 Claims
OG exemplary drawing
 
1. An automatically working blade-type check valve, operated without external energy supply, opened and closed by the current of a gaseous or liquid medium, comprising n (at least three) triangular-shaped or triangular valve blades, the valve blades being thicker-walled in a middle area and thinner-walled toward all edges and tips of the valve blades, essentially grouped in circular configuration around a polygonal (n corners) through hole or bore of a valve ring, at one side accommodated by at least one hinge element each, each of the valve blades being integral with the at least one hinge element.