US 12,459,480 B2
Hydraulic block for a hydraulic unit of a hydraulic power brake system
Andreas Weh, Sulzberg (DE); Matthias Mayr, Rettenberg (DE); and Stefan Kaserer, Ofterschwang (DE)
Assigned to ROBERT BOSCH GMBH, Stuttgart (DE)
Filed by Robert Bosch GmbH, Stuttgart (DE)
Filed on Nov. 9, 2022, as Appl. No. 18/053,808.
Claims priority of application No. 10 2022 201 575.4 (DE), filed on Feb. 16, 2022.
Prior Publication US 2023/0256953 A1, Aug. 17, 2023
Int. Cl. B60T 17/04 (2006.01); B60T 8/36 (2006.01); B60T 17/02 (2006.01); F15B 15/02 (2006.01)
CPC B60T 17/04 (2013.01) [B60T 8/368 (2013.01); B60T 17/02 (2013.01); F15B 15/02 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A right-parallelpiped-shaped hydraulic block for a hydraulic unit of a hydraulic power brake system, comprising:
an upper side;
a lower side opposite to the upper side;
an attachment side bordering on the upper side;
a motor side bordering on the upper side, the lower side, and the attachment side; and
a valve side opposite to the motor side;
wherein the hydraulic block includes:
a master brake cylinder bore which opens out on the attachment side;
a power brake cylinder bore which opens out on the motor side;
a receptacle for a discharge valve, which connects the master brake cylinder bore to the power brake cylinder bore, in the valve side,
a brake fluid line running from a base of the receptacle into a groove encircling the master brake cylinder bore,
a receptacle for a power brake valve, which joins the power brake cylinder bore to connections for a pressure-regulating module of the power brake system, in the valve side, and
an oblique bore which connects the receptacle for the discharge valve to the receptacle for the power brake valve.