US 12,269,446 B2
Hydraulic block for a hydraulic unit of a hydraulic vehicle braking system
Andreas Weh, Sulzberg (DE)
Assigned to ROBERT BOSCH GMBH, Stuttgart (DE)
Appl. No. 17/631,841
Filed by Robert Bosch GmbH, Stuttgart (DE)
PCT Filed May 26, 2020, PCT No. PCT/EP2020/064484
§ 371(c)(1), (2) Date Jan. 31, 2022,
PCT Pub. No. WO2021/032330, PCT Pub. Date Feb. 25, 2021.
Claims priority of application No. 10 2019 212 356.2 (DE), filed on Aug. 19, 2019.
Prior Publication US 2022/0274578 A1, Sep. 1, 2022
Int. Cl. B60T 13/74 (2006.01); B60T 8/36 (2006.01); B60T 13/66 (2006.01); B60T 13/68 (2006.01)
CPC B60T 13/745 (2013.01) [B60T 8/368 (2013.01); B60T 13/662 (2013.01); B60T 13/686 (2013.01); B60Y 2400/306 (2013.01); B60Y 2400/81 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A hydraulic block for a hydraulic unit of a hydraulic vehicle braking system, the hydraulic block comprising:
a check valve situated in a plug connection, the plug connection being formed by a hole in an upper side of the hydraulic block and into which a connecting nipple of a brake fluid reservoir is pluggable for connection to the plug connection when the brake fluid reservoir is situated at the upper side; and
the plug connection includes a tubular collar surrounded by an annular space that is in the plug connection and into which the connecting nipple projects when the connecting nipple is plugged into the plug connection.