US 12,403,885 B2
Vehicle braking system comprising a parking brake indicator device and vehicle provided with such a braking system
Claudino Goncalves, Ribeaucourt (FR); and Jeremie Sales, Amiens (FR)
Assigned to WABTEC Hauts-de-France, Amiens (FR)
Appl. No. 17/436,336
Filed by WABTEC Hauts-de-France, Amiens (FR)
PCT Filed Mar. 2, 2020, PCT No. PCT/FR2020/050416
§ 371(c)(1), (2) Date Sep. 3, 2021,
PCT Pub. No. WO2020/178518, PCT Pub. Date Sep. 10, 2020.
Claims priority of application No. 1902196 (FR), filed on Mar. 4, 2019.
Prior Publication US 2022/0176935 A1, Jun. 9, 2022
Int. Cl. B60T 17/22 (2006.01); B60T 13/36 (2006.01); B60T 13/38 (2006.01); B60T 17/16 (2006.01); F16D 65/18 (2006.01); F16D 121/08 (2012.01); F16D 127/06 (2012.01)
CPC B60T 17/228 (2013.01) [B60T 13/36 (2013.01); B60T 13/38 (2013.01); B60T 17/16 (2013.01); F16D 65/18 (2013.01); F16D 2121/08 (2013.01); F16D 2127/06 (2013.01)] 20 Claims
OG exemplary drawing
 
12. A braking system comprising:
a parking brake including an unlocking part configured to unlock the parking brake;
a parking brake indicator device configured to receive positions of the unlocking part via a first state pipe, the indicator device configured to receive a first indication of one or more of supply or venting of a brake pressure chamber via a second state pipe; and
a control and actuation unit configured to detect and indicate an engaged state or a disengaged state of the parking brake based on at least one of the positions received via the first state pipe and the first indication of the one or more of the supply or the venting of the brake pressure chamber.