US 11,938,910 B2
Non-return valve device
Juergen Moser, Gerolsbach (DE)
Assigned to KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH, Munich (DE)
Appl. No. 17/636,657
Filed by KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH, Munich (DE)
PCT Filed Aug. 5, 2020, PCT No. PCT/EP2020/072023
§ 371(c)(1), (2) Date Feb. 18, 2022,
PCT Pub. No. WO2021/032488, PCT Pub. Date Feb. 25, 2021.
Claims priority of application No. 10 2019 122 452.7 (DE), filed on Aug. 21, 2019.
Prior Publication US 2022/0396254 A1, Dec. 15, 2022
Int. Cl. B60T 17/04 (2006.01); B60T 17/00 (2006.01)
CPC B60T 17/04 (2013.01) [B60T 17/004 (2013.01); B60Y 2410/105 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A non-return valve device, comprising:
a housing;
a fluid processing device arranged in the housing and positioned in a flow path of a fluid;
at least one part of a flow channel for the fluid defining a bypass for the flow path; and
a movable cord-shaped sealing element arranged in the flow channel, wherein
the sealing element is configured so as to be movable between first and second surfaces without at least partially being fixed to the first and second surfaces and so as to be movable at least partially between a closed position and an open position, wherein at least the first surface forms a part of the at least one part of the flow channel, wherein first and second sealing edges, which limit movement of the sealing element, extend between the first and second surfaces at an angle or perpendicularly with respect to a movement direction of the sealing element, wherein the first and second sealing edges have first and second heights respectively, wherein the first height is greater than the second height, and wherein the first sealing edge is positioned closer to the first surface than the second sealing edge, wherein
in the open position, a fluid flow is permitted through the flow channel, and
in the closed position, the fluid flow through the flow channel is blocked by form-fitting engagement between with the sealing element, the second sealing edge and the first surface.