US 11,719,235 B2
Hydraulic device for a rail vehicle
Torsten Stickel, Gauting (DE); Marcus Clev, Munich (DE); Benjamin Hirth, Olching (DE); Fabian Elwischger, Neufahrn bei Freising (DE); and Nico Kullen, Gilching (DE)
Assigned to KNORR-BREMSE Systeme für Schienenfahrzeuge GmbH
Filed by KNORR-BREMSE Systeme für Schienenfahrzeuge GmbH, Munich (DE)
Filed on Feb. 12, 2020, as Appl. No. 16/789,347.
Claims priority of application No. 10 2019 103 448.5 (DE), filed on Feb. 12, 2019.
Prior Publication US 2020/0256355 A1, Aug. 13, 2020
Int. Cl. F04B 53/06 (2006.01); F04B 23/02 (2006.01); B67D 7/08 (2010.01); B65D 51/16 (2006.01); B67D 7/78 (2010.01)
CPC F04B 53/06 (2013.01) [B65D 51/1644 (2013.01); B67D 7/08 (2013.01); B67D 7/78 (2013.01); F04B 23/02 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A hydraulic device for a rail vehicle, the hydraulic device comprising:
a fluid container;
a motor with a pump;
a control plate;
a control region; and
a ventilation and purging unit for ventilating and purging the fluid container, wherein the ventilation and purging unit has a valve unit integrated into a wall of a housing of the fluid container, and a channel labyrinth arranged in the fluid container and connected to the valve unit,
wherein the channel labyrinth of the ventilation and purging unit has a first channel labyrinth for ventilation and a second channel labyrinth for purging, wherein the channel labyrinth is integrated in at least one wall of a housing of the fluid container.